Process and plant for building green tyres for vehicle wheels

A plant and a process for building different types of green tyres for vehicle wheels for each tyre size, through the use of elementary semi-finished products, includes: a) building a carcass structure of a green tyre, the carcass structure including at least one carcass ply and a pair of annular anchoring structures; and b) building a crown structure of a green tyre, the crown structure including at least one belt structure and a tread band; wherein at least one between the building of the carcass structure and the building of the crown structure includes: c) providing at least one first feeding unit of a first elementary semi-finished product and one second feeding unit of a second elementary semi-finished product, the at least one first and one second elementary semi-finished products being different from one another; and d) building at least one portion of a structural component of the tyre being processed, starting from at least one of the first and second elementary semi-finished products, in one work station fed by the first and second feeding units of the first and second elementary semi-finished products.

RIM LINER

A rim assembly for receiving a tire includes a rim having an outer ring-shaped member defining an outer surface, and a rim liner having a ring-shaped body formed to generally match the contours of the outer surface of the rim. The rim liner is positioned within a recess formed in at least a portion of the outer surface of the rim so as to maintain an intended industry standard sizing for rims and tires. 1. A rim assembly for receiving a tire , comprising:a rim having an outer ring-shaped member defining an outer surface; anda rim liner having a ring-shaped body formed to generally match the countours of said outer surface of said rim,wherein said rim liner is positioned within a recess formed in at least a portion of said outer surface of said rim so as to maintain an intended industry standard sizing for rims and tires.2. The rim assembly according to claim 1 , wherein said rim liner is manufactured of a low permeation material.3. The rim assembly according to claim 2 , wherein said low permeation material is a thermoplastic polyester elastomeric-based material.4. The rim assembly according to claim 3 , wherein said thermoplastic polyester elastomeric-based material is Hytrel™.5. The rim assembly according to claim 1 , wherein said recess is provided substantially across said outer ring-shaped member.6. The rim assembly according to claim 1 , wherein said recess is limited to the regions defining the tire bead/rim interface.7. The rim assembly according to claim 1 , wherein said recess is provided with a depth that matches the thickness of the rim liner being used.8. The rim assembly according to claim 1 , wherein said rim liner is provided with a thickness in the range of 0.5 mm to 1.5 mm claim 1 , and wherein said recess is dimensioned with a depth in the range of 0.5 mm to 1.5 mm.9. A rim liner for placement between a tire and a rim of an automotive wheel assembly claim 1 , the rim liner comprising:a ring-shaped body formed to generally match the contours of an ...

CAM SUPPORT FOR ASSEMBLING A GREEN TYRE BLANK

A support for assembling a green tyre blank includes a baseplate with symmetry of revolution and members fixed to the baseplate. Each of the members includes: a base structured such that external elements may be movably mounted with respect to the base; and at least one cam able to occupy any one of at least two positions that are images of one another through rotation. Each of the positions of the cam defines element positions with respect to the base, such that, for at least some of the elements, the element positions associated with the respective positions of the cam differ from one another. 117-. (canceled)18. A support for assembling a green tyre blank , comprising:a baseplate with symmetry of revolution; and a base for mounting external elements, the elements being movably mounted on the base, and', 'at least one cam able to occupy any one of at least two positions that are images of one another through rotation, wherein each of the positions of the or each cam defines element positions with respect to the base such that, for at least some of the elements, the element positions associated with the respective positions of the or each cam differ from one another., 'members fixed to the baseplate, wherein each of the members includes19. The support according to claim 18 , wherein each of the members is arranged in such a way that the positions of the or each cam are images of one another through rotation about an axis of the or each cam.20. The support according to claim 18 , wherein claim 18 , for each of the members claim 18 , the or each cam is rotatably mounted with respect to the base.21. The support according to claim 18 , wherein each of the members is arranged such that claim 18 , in at least one of the positions of the or each cam claim 18 , the elements form an external support face with a curved profile in a plane radial to a main axis of the baseplate.22. The support according to claim 18 , wherein each of the members is arranged such that claim 18 , ...

Adapter For Rolling Assembly And Rolling Assembly Comprising Same

An adapter for a rolling assembly having a rotation axis and comprising a tire having two beads, a rim, said adapter having an axially inner end to be mounted on the rim seat and comprises an inner reinforcer element, an axially outer end to be mounted on the rim seat and comprises an outer reinforcer element, a body that connects said outer end to said inner end so as to form a single piece and comprises a main reinforcement connecting said outer reinforcer and said inner reinforcer, a substantially cylindrical adapter seat receiving one of said beads, an adapter bearing face substantially contained in a plane perpendicular to the rotation axis. The reinforcer of the axially outer end is entirely outside the bearing face, and the body comprises, opposite the adapter seat, an annular seat reinforcer having a compression modulus greater than or equal to 1 GPa. 2. The adapter according to claim 1 , wherein the reinforcer element of the axially outer end is entirely situated axially outside the bearing face claim 1 , and wherein the body comprises claim 1 , opposite the adapter seat claim 1 , an annular seat reinforcer.3. The adapter according to claim 1 , wherein the annular seat reinforcer has a compression modulus greater than or equal to 4 GPa.4. The adapter according to claim 1 , wherein the annular seat reinforcer has a compression modulus greater than or equal to 10 GPa.5. The adapter according to claim 1 , wherein the annular seat reinforcer comprises a core surrounded by an elastomer.6. The adapter according to claim 5 , wherein the core comprises at least one element chosen from a metal claim 5 , a composite material claim 5 , a thermoplastic claim 5 , and a mixture thereof.7. The adapter according to claim 1 , wherein the annular seat reinforcer is comprised of at least two layers of different constituents disposed successively in alternation.8. The adapter according to claim 6 , wherein the composite material is comprised of glass fibres embedded in a resin ...

Adapter For Rolling Assembly And Rolling Assembly Comprising Same

An adapter for a rolling assembly comprising a tire having two beads (B), a rim (J) with two rim seats (), said adapter connecting one of the beads and the rim. The adapter has an axially inner end () comprising inner reinforcer element (), and an axially outer end () comprising outer reinforcer element (), respectively mounted on a rim seat (). Body () connects said outer end () to said inner end (). Main reinforcement connects said outer reinforcer (), and said inner reinforcer (), a substantially cylindrical adapter seat () receiving one of said beads (B), an adapter bearing face () substantially contained in a plane perpendicular to the rion otataxis. The reinforcer element () of the axially outer end () is entirely situated axially outside the bearing face (), and in that the body () comprises, opposite the adapter seat (), an annular seat reinforcer (). 1. An adapter for a rolling assembly having a rotation axis and comprising:a tire having two beads;a rim;said adapter providing the connection between one of the beads and the rim;said rim having two rim seats; an axially inner end that is adapted to be mounted on the rim seat and comprises an inner reinforcer element;', 'an axially outer end that comprises an outer reinforcer element;', 'a body that connects said outer end to said inner end so as to form a single piece and comprises at least one main reinforcement that provides the connection between said outer reinforcer and said inner reinforcer;', 'a substantially cylindrical adapter seat adapted to receive one of said beads, said seat being situated at the axially outer end of said body; and', 'an adapter bearing face substantially contained in a plane perpendicular to the rotation axis, said bearing face being situated on the axially inner face of the axially outer end, 'said adapter comprisingwherein the reinforcer element of the axially outer end is entirely situated axially outside the bearing face, and wherein the body comprises, opposite the adapter ...

VEHICLE WHEEL

In a vehicle wheel of the present invention, a sub-air chamber member functioning as a Helmholtz resonator includes a main body section forming a sub-air chamber in a space surrounded by a bottom plate adjoined to the outer circumferential surface of a well section and extending in a wheel width direction, an upper plate opposed to the bottom plate at a predetermined interval on an outer side in a wheel radial direction of the bottom plate, and a pair of side plates standing outward in the wheel radial direction from both ends in the wheel width direction of the bottom plate, and a pair of edge sections which extend outward in the wheel width direction from respective joining sections of the bottom plate and the pair of side plates, and which are locked to the well section. 1. A vehicle wheel in which a sub-air chamber member functioning as a Helmholtz resonator is attached to an outer circumferential surface of a well section ,the sub-air chamber member comprising:a main body section which forms a sub-air chamber in a space surrounded by a bottom plate adjoined to the outer circumferential surface of the well section and extending in a wheel width direction, an upper plate opposed to the bottom plate at a predetermined interval on an outer side of the bottom plate in a wheel radial direction, and a pair of side plates standing outward in the wheel radial direction from both ends in the wheel width direction of the bottom plate; anda pair of edge sections which extend outward in the wheel width direction from respective joining sections of the bottom plate and the pair of side plates, and which are locked to the well section.2. The vehicle wheel according to claim 1 , wherein respective extending ends of the pair of edge sections are fitted into and locked in groove sections formed in the well section. The present invention relates to a vehicle wheel.There has been known a wheel in which a Helmholtz resonator (a sub-air chamber member) that muffles air column ...

VEHICLE WHEEL

Provided is a vehicle wheel with a sub-air chamber member as a Helmholtz resonator attached to a rim. The sub-air chamber member includes a main body having a sub-air chamber therein, a tubular body providing communication between the sub-air chamber and a tire air chamber, and a cover member covering the main body. The main body is disposed on a rim inner circumferential surface portion of the rim present on an inner side of the rim in a wheel radial direction and extending in a wheel width direction. The tubular body is disposed in a through-hole provided in the rim so as to provide communication between the inner side of the rim in the wheel radial direction and the tire air chamber side. The cover member covers the main body from an inner side in the wheel radial direction. 1. A vehicle wheel with a sub-air chamber member as a Helmholtz resonator attached to a rim , wherein a main body having a sub-air chamber therein,', 'a tubular body providing communication between the sub-air chamber and a tire air chamber, and', 'a cover member covering the main body,, 'the sub-air chamber member comprises'}the main body is disposed on a rim inner circumferential surface portion of the rim present on an inner side of the rim in a wheel radial direction and extending in a wheel width direction,the tubular body is disposed in a through-hole provided in the rim so as to provide communication between the inner side of the rim in the wheel radial direction and the tire air chamber side, andthe cover member covers the main body from an inner side in the wheel radial direction.2. The vehicle wheel according to claim 1 , wherein the sub-air chamber member further comprises a fixing member hermetically fixing the tubular body to the rim around the through-hole.3. The vehicle wheel according to claim 1 , wherein the cover member is attached to the main body by insert molding. The present invention relates to a vehicle wheel.Conventionally, a wheel has been known which includes ...

TIRE

A tire (), including a circular tire frame () including a resinous material, the resinous material including at least polypropylene and having a pentad ratio of from 88.2% to 93.4%. The resinous material may include at least a first resin that is polypropylene and a second resin that is different from the first resin. 1. A tire , comprising a circular tire frame comprising a resinous material , the resinous material comprising polypropylene and having a pentad ratio of from 88.2% to 93.4%.2. The tire according to claim 1 , wherein the resinous material comprises:a first resin that is polypropylene; anda second resin that is different from the first resin.3. The tire according to claim 1 , wherein the resinous material comprises isotactic polypropylene at a content of from 50% by mass to 70% by mass with respect to a mass of the resinous material.4. The tire according to claim 1 , wherein the resinous material comprises atactic polypropylene at a content of from 30% by mass to 50% by mass with respect to a mass of the resinous material.5. The tire according to claim 1 , wherein the resinous material comprises two or more resins claim 1 , and wherein a content of isotactic polypropylene in the resinous material is from 50% by mass to 70% by mass with respect to a mass of the resinous material.6. The tire according to claim 1 , wherein the resinous material comprises two or more resins claim 1 , and wherein a content of atactic polypropylene in the resinous material is from 30% by mass to 50% by mass with respect to a mass of the resinous material.7. The tire according to claim 1 , wherein the resinous material comprises:isotactic polypropylene at a content of from 50% by mass to 70% by mass with respect to a mass of the resinous material; andatactic polypropylene at a content of from 30% by mass to 50% by mass with respect to a mass of the resinous material. The present invention relates to a tire to be fitted to a rim and, in particular, to a tire in which at least a ...

ULTRASONIC WELDING TYPE WHEEL RESORANTOR

A wheel resonator for reducing a resonance phenomenon inside a tire of a vehicle may include a plurality of wheel resonators mounted to a tire wheel. First and second wheel resonators of the plurality of wheel resonators are fixed with each other by a fastening part including a protrusion disposed on an end of the first wheel resonator penetrating through a hole disposed in an end of the second wheel resonator. An end portion of the protrusion has a size greater than a size of the hole. As such, quality of a wheel through more reliable noise reduction by making a wheel resonator in a manner of forming a fitting type fastening part in the wheel resonator itself and fixing the wheel resonator by ultrasonic welding can be improved. 1. A wheel resonator for reducing a resonance phenomenon inside a tire of a vehicle , comprising a plurality of wheel resonators mounted to a tire wheel ,wherein first and second wheel resonators of the plurality of wheel resonators are fixed with each other by a fastening part including a protrusion disposed on an end of the first wheel resonator penetrating through a hole disposed in an end of the second wheel resonator, andan end portion of the protrusion has a size greater than a size of the hole.2. The wheel resonator according to claim 1 , wherein each of opposite ends of each of the plurality of wheel resonators includes a hole or a protrusion of the fastening part.3. The wheel resonator according to claim 1 , wherein the second wheel resonator includes another hole disposed in another end of the second wheel resonator.4. The wheel resonator according to claim 3 , wherein among the plurality of wheel resonators claim 3 , the second wheel resonator is the only wheel resonator which has holes disposed in the both ends.5. The wheel resonator according to claim 1 , wherein the first wheel resonator includes another protrusion disposed on another end of the first wheel resonator.6. The wheel resonator according to claim 5 , wherein among ...

A rolling assembly

The rolling assembly has a rotation axis and a rim having rim seats and flanges, an adapter and a tire having beads. The adapter provides the connection between one of the beads and the rim. The rim comprises a portion of a width W extending outwardly from the flange and a connecting introduction portion and a body. The body has a point A that is 10% of W axially inward from an axially outermost of the body or from an axially outermost of the adapter. The portion creates a virtual straight line GD between an innermost of the connecting introduction portion and the point A. The portion and the adapter has a radial distance d at the point A. The body has a maximum radial distance e from the virtual straight line GD at axially inward from the point A, and the body has no contact with the adapter.

PNEUMATIC TIRE

A tire has a cap rubber formed of a nonconductive rubber and forms a ground surface, and a conductive portion provided in at least one side end portion of a pair of side end portions in both ends in a tire width direction. The conductive portion is formed of a conductive rubber, and reaches a side surface of the cap rubber from the ground surface through an inner portion of the cap rubber. The conductive portion is the smallest in thickness in the ground surface, is relatively large in thickness in the side surface of the cap rubber, is gradually increased in thickness from the ground surface to the side surface of the cap rubber, and is formed into a trumpet shape which is curved into an inner side in a tire width direction and an inner side in a radial direction, in a tire meridian cross section. 1. A pneumatic tire comprising:a cap rusher which is formed of a nonconductive rubber and forms a ground surface; anda conductive portion which is provided in at least one side end portion of a pair of side end portions in both ends in a tire width direction of the cap rubber,wherein the conductive portion is formed of a conductive rubber, and reaches a side surface of the cap rubber from the ground surface through an inner portion of the cap rubber, andwherein the conductive portion is the smallest in a thickness in the ground surface, is relatively large in a thickness in the side surface of the cap rubber, is gradually increased in the thickness from the ground surface to the side surface of the cap rubber, and is formed into a trumpet shape which is curved into an inner side in a tire width direction and an inner side in a radial direction, in a tire meridian cross section.2. The pneumatic tire according to claim 1 , wherein a cross sectional area Sof the conductive portion is equal to or more than 5% and equal to or less than 15% in relation to a total area (S+S) of a cross sectional area Si of the conductive portion existing in the inner portion of the cap rubber ...

STUDLESS TYRE

A studless tyre includes a tread portion having sipes. In a cross-sectional view of the tyre perpendicular to a circumferential direction, a profile of a tread face between an equatorial plane and each of tread edges is formed by three arcs convex radially outwardly. The arcs include an arc Ci counted an i-th from the equatorial plane in an axially outward direction and having a radius Ri and a tangent line of an arc C on the equatorial plane extends exactly in the axial direction. An arc C(i+1) and the arc Ci make contact at a point where they intersect. A radius R(i+1) is not greater than the radius (Ri). A ratio of a radius R with respect to a radius R is 40% or more and 70% or less. A ratio of a radius R with respect to the radius Ri is 15% or more and 30% or less. 1. A studless tyre comprising a tread portion provided with a plurality of sipes , whereinin a cross-sectional view perpendicular to a circumferential direction, a profile of a tread face between an equatorial plane and each of tread edges is formed by three arcs each convex outward in a radial direction,the arcs include an arc Ci counted an i-th from the equatorial plane in an axially outward direction and having a radius Ri,{'b': '1', 'a tangent line of an arc C on the equatorial plane extends exactly in the axial direction,'}an arc C(i+1) and the arc Ci make contact at a point where the arc C(i+1) and the arc Ci intersect,a radius R(i+1) is equal to or less than the radius (Ri),{'b': 2', '1, 'a ratio of a radius R with respect to a radius R is 40% or more and 70% or less, and'}{'b': 3', '1, 'a ratio of a radius R with respect to the radius R is 15% or more and 30% or less.'}2. The studless tyre according to claim 1 , wherein{'b': 2', '3', '23', '23, 'when an axial width between the equatorial plane and an intersection point of an arc C and an arc C is an axial width W, a ratio of the axial width W with respect to an axial width W between the equatorial plane and each of the tread edges is 65% or ...

MOLDING ELEMENT COMPRISING CUTTING MEANS FOR MOLDING AND VULCANIZING A TIRE TREAD

A molding element) of a mold for molding and vulcanizing a tire treadcontaining a molding surface intended to mold part of the tread surface of the tire and a complex blade of projecting from the molding surface, containing a body oriented mainly in a circumferential direction X and at least one U-shaped secondary branch facing towards this body, the secondary branch being oriented mainly in an oblique direction J, J making a non-zero angle ψ with a transverse direction Y perpendicular to the circumferential direction X, the secondary branch in contact with the main body at two contact zones to delimit a cavity of length L, wherein the molding element has a main cutting means projecting from the molding surface, extending between two of its ends and running parallel to J, the length being less than the length L, and wherein the molding element has at least two secondary cutting means of height Hs extending from one of the ends of the main cutting means as far as one of the contact zones facing this end, and forming an angle θ with this body. 1. A molding element of a mold for molding and vulcanizing a tire tread , this molding element comprising:a molding surface adapted to mold part of the tread surface of the tire, and a body oriented mainly in a circumferential direction X, and', 'at least one U-shaped secondary branch facing towards this body, this secondary branch being oriented mainly in an oblique direction J, this oblique direction making a non-zero angle ψ with a transverse direction Y perpendicular to the circumferential direction X,', 'wherein the secondary branch is in contact with the body at two contact zones to delimit a cavity of length L,, 'a complex blade of height H projecting from the molding surface, this complex blade comprisinga main cutting means of height Hp projecting from the molding surface in the cavity, and extending between two ends and running parallel to the oblique direction J, wherein a length of this main cutting means, measured ...

Rolling Assembly

Rolling assembly comprising tire P, rim J, adapter connecting a bead and the rim. The adapter has axially outer ( 9 ) and inner ( 10 ) ends mounted on rim seat ( 7 ) having respective outer ( 16 ) and inner ( 20 ) reinforcers. Body ( 11 ) connects the outer ( 9 ) and inner ( 10 ) ends forming a single piece, an adapter seat ( 18 ) receives a bead and is situated at end ( 9 ), an adapter bearing face ( 21 ) in a plane perpendicular to the rotation axis, and situated on the axially inner face of outer end ( 9 ). Reinforcer ( 20 ) of end ( 9 ) is axially outside bearing face ( 21 ). The body comprises, opposite adapter seat ( 14 ), annular seat reinforcer ( 19 ) and the adapter comprises conductive strip ( 22 ) positioned over all or part of the circumferential perimeter of said adapter and along a complete path extending from adapter seat ( 14 ) to rim flange ( 8 ).

CUTTER, CUTTER SYSTEM, AND METHOD FOR SEVERING ELASTOMERIC MATERIAL FROM NON-PNEUMATIC TIRE

A cutter may be configured to sever elastomeric material of a non-pneumatic tire. The cutter may include a mounting fixture configured to be operably coupled to an actuator, and a guide associated with the mounting fixture. The guide may include an elongated rod like member having a longitudinal axis. The cutter may further include a blade configured to sever the elastomeric material, wherein the blade is operably coupled to the guide and extends along the longitudinal axis of the guide. The blade may have a cutting edge remote from the mounting fixture. 1. A cutter configured to sever elastomeric material of a non-pneumatic tire , the cutter comprising:a mounting fixture configured to be operably coupled to an actuator;a guide associated with the mounting fixture, the guide including an elongated rod-like member having a longitudinal axis; anda blade configured to sever the elastomeric material, wherein the blade is operably coupled to the guide and extends along the longitudinal axis of the guide, andwherein the blade has a cutting edge remote from the mounting fixture.2. The cutter according to claim 1 , wherein the elongated rod-like member has an end remote from the mounting fixture claim 1 , and wherein the end is tapered.3. The cutter according to claim 1 , wherein the guide has an end remote from the mounting fixture claim 1 , and wherein the cutting edge of the blade is closer to the mounting fixture than the end of the guide.4. The cutter according to claim 1 , wherein the cutting edge includes at least one apex between two lateral portions claim 1 , and wherein the at least one apex is closer to the mounting fixture than the lateral portions.5. The cutter according to claim 1 , further including a coating on the blade claim 1 , wherein the coating is configured to at least one of facilitate sliding of the blade relative to the elastomeric material and provide wear resistance.6. The cutter according to claim 1 , wherein the mounting fixture includes a ...

CUTTER, CUTTER SYSTEM, AND METHOD FOR SEVERING ELASTOMERIC MATERIAL FROM NON-PNEUMATIC TIRE

A cutter system configured to sever elastomeric material of a non-pneumatic tire may include a cutter including a mounting fixture and a blade coupled to the mounting fixture. The cutter system may further include a driver assembly operably coupled to the mounting fixture of the cutter. The driver assembly may include a support member, and a cross-member operably coupled to the mounting fixture and the support member. The driver assembly may further include a first actuator operably coupled to the cross-member and the mounting fixture of the cutter, wherein the first actuator is configured to rotate the mounting fixture of the cutter relative to the cross-member. The driver assembly may further include a second actuator operably coupled to the cross-member and the support member, wherein the second actuator is configured to move the cross-member, such that the cutter reciprocates along a first axis relative to the support member. 1. A cutter system configured to sever elastomeric material of a non-pneumatic tire , the cutter system comprising:a cutter including a mounting fixture and a blade coupled to the mounting fixture, wherein the blade includes a cutting edge configured to sever the elastomeric material; and a support member,', 'a cross-member operably coupled to the mounting fixture of the cutter and the support member,', 'a first actuator operably coupled to the cross-member and the mounting fixture of the cutter, the first actuator being configured to rotate the mounting fixture of the cutter relative to the cross-member, and', 'a second actuator operably coupled to the cross-member and the support member, wherein the second actuator is configured to move the cross-member, such that the cutter reciprocates along a first axis relative to the support member., 'a driver assembly operably coupled to the mounting fixture of the cutter, wherein the driver assembly includes2. The cutter system of claim 1 , further including a third actuator operably coupled to the ...

SEMI-HOLLOW PNEUMATIC WITH IMPROVED PROFILE AND ROLLING MEMBER EQUIPPED WITH SAID PNEUMATIC

Pneumatic tire for an agricultural machine, having an axis of revolution XX and comprising a tread a sole situated opposite the tread and two sidewalls connecting the tread to the sole The tread the sole and the two sidewalls together form a casing defining a chamber inside the pneumatic tire At least one of the sidewalls comprises, in this order and in succession in a direction oriented radially from the axis of revolution XX to the outside, a proximal portion an intermediate portion and a distal portion In the unloaded state, the intermediate portion projects into the chamber in a direction substantially parallel to the axis of revolution XX. 1. A tire for an agricultural machine , having an axis of revolution and comprising a tread , a sole situated opposite the tread , and two sidewalls connecting the tread to the sole , the tread , the sole and the two sidewalls together forming a casing defining a chamber inside the tire ,whereinat least one of the sidewalls comprises, in this order and in succession in a direction oriented radially from the axis of revolution to the outside, a proximal portion, an intermediate portion and a distal portion,the intermediate portion projecting into the chamber in a direction substantially parallel to the axis of revolution in the unloaded state.2. The tire as claimed in claim 1 , wherein the intermediate portion and the distal portion are of substantially identical and homogeneous thickness.3. The tire as claimed in claim 1 , wherein said sidewall has claim 1 , in cross-section according to a plane including the axis of revolution of the tire in the unloaded state claim 1 , an S-shaped profile.4. The tire as claimed in claim 1 , further comprising at least one reinforcement housed in the sole.5. The tire as claimed in claim 1 , wherein the sole and the distal portion of said sidewall are substantially aligned radially claim 1 , in the unloaded state.6. The tire as claimed in claim 1 , wherein claim 1 , in a direction parallel to ...

PNEUMATIC TIRE

A pneumatic tire includes a tread having an outer surface forming a tread surface, and a belt positioned on radially inner side of the tread. In cross section perpendicular to circumferential direction, the tread surface has a profile ranging from equatorial plane to tread edge and including arcs protruding in radially outward direction, the arcs include arc Ci having radius Ri, arc C on the plane, and arc C(i+1) having radius R(i+1) equal to or less than the radius Ri, and where virtual line Lt inclines at inclination angle θ relative to axial direction and contacts with the profile at point Pt, axial width Wt is set from the plane to the point Pt, and axial width W is set from the plane to the tread edge at the angle θ of 3 degrees, the width Wt has ratio of less than 65% with respect to the width W. 1. A pneumatic tire , comprising:a tread having an outer surface forming a tread surface; anda belt positioned on a radially inner side of the tread,{'b': '1', 'wherein in a cross section perpendicular to a circumferential direction, the tread surface has a profile ranging from an equatorial plane to a tread edge and comprising a plurality of arcs protruding in a radially outward direction, the plurality of arcs includes an arc Ci counted an i-th from the equatorial plane in an axially outward direction and having a radius Ri, an arc C being on the equatorial plane and having a tangent line extending in an exact axial direction, an arc C(i+1) making contact with the arc Ci at a point where the arc C(i+1) and the arc Ci intersect and having a radius R(i+1) which is equal to or less than the radius Ri of the arc Ci, and where a virtual line Lt inclines at an inclination angle θ relative to an axial direction and makes contact with the profile of the tread surface at a point Pt, an axial width Wt is set from the equatorial plane to the point Pt, and an axial width W is set from the equatorial plane to the tread edge at the inclination angle θ of 3 degrees, the axial ...

Tubeless Wheel

The present invention provides a solid light weight nylon foam rod of a particular diameter that is fused together to form a continuous ring that is of a specified circumference, to provide a seal between the inner beads of a standard bicycle tire so when air is pumped through the air valve it creates an air lock between the inner tire area and the nylon foam surface. When mounted on a standard bicycle wheel rim with a standard bicycle tire will create a tubeless bicycle wheel. 1. A bicycle wheel comprising:a valve;a rim defining a center channel;a tire received in said channel of said rim, said tire defining an air chamber;said rim having outwardly extending and opposingly located rim hooks positioned to receive a pair of tire beads;a deformable insert adapted to seat within said channel and sized to exert pressure against said beads to urge said beads against said bead flanges;a passageway in said insert, said passageway in communication with said valve to permit pressurized air to be received in said air chamber; andsaid insert adapted to deform in response to said pressurized, said deformation causes said insert to exert pressure against said tire and said beads to form a mechanical air tight seal between said tire and said rim.2. The bicycle wheel of wherein a portion of said valve is received by said insert.3. The bicycle wheel of wherein said insert is a nylon foam rod having a diameter that is approximately 0.1 inches larger than the distance between said rim hooks.4. The bicycle wheel of wherein said rod has ends which are adapted to be joined together to form a circular insert.5. The bicycle wheel of wherein said circular insert is adapted and sized to be stretched around said rim.6. The bicycle wheel of wherein at an air chambers pressure of 40-50 PSI claim 3 , said nylon rod is forced against said tire to form an air tight seal.7. The bicycle wheel of wherein said rod is a solid light weight nylon foam that has a density of 4.3 pounds per cubic foot.8. ...

VALVE FOR TUBELESS TIRES

The invention is directed to a valve stem system () for tubeless wheels. The valve stem system () includes a valve stem body () with a first end () and a second end (), wherein the second end () is located in a tire/rim-volume when mounted at the wheel. A first valve element () is arranged at the second end () of the valve stem body (). The first valve element () is a self-sealing one-way valve. The invention further concerns a probe () for a valve stem system, a method to test the amount of sealant in a wheel and a refilling assembly () for a wheel. 1150601. A valve stem system () for tubeless wheels , said wheels comprising a rim () and a tire () , said valve stem system () comprising:{'b': 2', '3', '4', '4, 'a valve stem body () with a first end () and a second end (), the second end () being located in the tire/rim-volume when mounted on the wheel; and'}{'b': 5', '4', '2, 'a first valve element () comprising a self-sealing one-way valve arranged at the second end () of the valve stem body ().'}21567. The valve stem system () according to claim 1 , wherein the first valve element () comprises at least one sealing lip () and at least one slit ().315. The valve stem system () according to claim 1 , wherein the first valve element () comprises a duckbill-type valve.4158. The valve stem system () according to claim 1 , wherein the first valve element () is integrally formed and comprises an outer sealing face ().515. The valve stem system () according to claim 1 , wherein the first valve element () is made of elastic material selected of the group of rubber claim 1 , silicone or similar elastic material.61194253342. The valve stem system () according to claim 1 , wherein the valve stem system () further comprises an annular sealing element () arranged at the second end () and inside of the valve stem body () or the first valve element () and/or at the first end () and/or between the first and the second end ( claim 1 ,) of the valve stem body () and having an inner ...

Method and apparatus for creating a vacuum between vehicle tires and road surface in order to enhance traction

An apparatus to reduce skidding of a vehicle tire on the road surface, creates a vacuum between the tire and the road surface when the wheels slip, especially during heavy braking. A number of conduits are attached to the inner side of the tire, each of them extended from a hole in the rim to some of the tread voids. A vacuum head is placed in contact with the rim and sweeps the perforated part of the rim as the wheel rotates. The vacuum head sucks air from the only voids which are precisely in the road contact area, through some of the conduits. A special tread pattern closes off these voids with respect to the ambient atmosphere. 1- A traction enhancement system reducing skidding of vehicle tires , comprising: a rim , multiple rim holes , a tire having a specific tread pattern comprising multiple voids on its periphery and further comprising multiple tire holes on an internal area of said tire facing said rim and on an opposite side than where said multiple voids are located at , a vacuum head , multiple flexible conduits extending between said multiple tire holes and said multiple open voids , wherein each of said multiple flexible conduits , divide into multiple branches ending in one of said multiple voids on said tire.2- The traction enhancement system of claim 1 , wherein said system creates vacuum between said tire and road surface.3- The traction enhancement system of claim 2 , wherein said multiple rim holes coaxially sit on top and adjacent to said multiple tire holes; and wherein during inoperative position when said traction enhancement system is not active said vacuum head in close proximity but not in contact with said multiple rim holes.4- The traction enhancement system of claim 3 , wherein when said traction system is activated claim 3 , said vacuum head will slightly move and will be in contact with said rim and at least one of said multiple rim holes claim 3 , therefore creating a vacuum path from said vacuum head through said at least one of ...

PNEUMATIC TIRE

A pneumatic tire, comprising: a carcass provided in a toroidal shape across a pair of bead cores; a bead filler provided on the outer side in the tire radial direction of each bead core; and a rim guard to protrude on the outer side in the tire width direction for rim protection, wherein a contour of a portion of the rim guard has radius of curvature in the range of 5 mm to 40 mm in a widthwise cross section of the tire, and provided that “1CSH” represents a distance in the tire radial direction between the innermost end and the outermost end of the carcass, a distance in the tire radial direction between the outermost end in the tire width direction of the rim guard and the outermost end in the tire radial direction of a bead filler is in the range of −0.2CSH to 0.05CSH. 1. A pneumatic tire , comprising:a carcass constituted of at least one ply and provided in a toroidal shape across a pair of bead cores of the tire so that the carcass is engaged with and held by the bead cores;a bead filler provided on the outer side in the tire radial direction of each bead core; anda rim guard provided on the outer side in the tire radial direction than a rim-tire separation point to protrude on the outer side in the tire width direction, the rim-tire separation point being a point at which the tire separates from a prescribed rim in a state where the tire is assembled with the prescribed rim and inflated at predetermined air pressure with no load thereon,wherein a contour of a portion of the rim guard on the outer side in the tire radial direction than the outermost end in the tire width direction of the rim guard has radius of curvature in the range of 5 mm to 40 mm in a cross section in the tire width direction of the tire, andprovided that “1CSH” represents a distance in the tire radial direction between the innermost end and the outermost end in the tire radial direction of the carcass, “positive direction” represents a direction on the outer side in the tire radial ...

VEHICLE WHEEL

Disclosed are a vehicle wheel including at least; a wheel body having four plate coupling portions; plates coupled respectively to the plate coupling portions; plates coupled respectively to the plate coupling portions; air chamber brackets of a ∩-shape each having an air chamber bracket hole formed on an upper surface thereof and respectively coupled the upper surface of the plates; and a hollow cylindrical hole bracket which is coupled through the air chamber bracket hole and moves up and down with rotation of the wheel body. As such, the present invention has the effects of significantly increasing the degree of freedom of design and the degree of freedom of resin selection due to the air chamber bracket formed by injection molding, and improving the strength by means of the air chamber bracket coupled to the wheel body. 1. A vehicle wheel comprising:{'b': 10', '11, 'a wheel body () having four plate coupling portions ();'}{'b': 20', '11, 'plates () coupled respectively to the plate coupling portions ();'}{'b': 30', '31', '20, 'a ∩-shape air chamber bracket () each having an air chamber bracket hole () formed on an upper surface thereof and respectively coupled the upper surface of the plates (); and'}{'b': 40', '31', '10, 'a hollow cylindrical hole bracket () which is coupled through the Air chamber bracket hole () and moves up and down followed by rotation of the wheel body ().'}2. The vehicle wheel according to claim 1 ,{'b': 40', '10, 'wherein the hole bracket() is moving upper side in proportional with moving speed of the wheel body ().'}3. The vehicle wheel according to claim 1 , wherein{'b': 30', '32, 'the air chamber bracket () provides air chamber bracket spring settings () at upper side of inner side,'}{'b': 40', '41, 'the hole bracket () provides hole bracket spring settings () at its side, and'}{'b': 42', '32', '41, 'spring () is provided in a middle of the air chamber bracket spring settings () and the hole bracket spring settings ().'}43033. The ...

Quick Assembly Bicycle Inner Tube

A quick assembly bicycle inner tube comprising a cylindrical hollow body strip with two distal ends, a valve, and end covers that are formed of round cup shaped bodies and end caps. The air valve is installed on the inner tube. The inner tube has two end covers (head covers), each of which is installed on a distal end of the tube. The end covers are made of the same material as the hollow body. Each end of the tube end covers has a closed end cap. The quick assembly bicycle inner tube and the method of installing the inner tube, eliminates the need for tools to disassemble the wheel set by allowing the user to manually remove and replace the inner tube without removing the wheel set from the bicycle. The inner tube is further easily folded into a flat shape to facilitate easy portability. 1. A quick assembly bicycle inner tube comprising:a cylindrical hollow main body having disjoined distal ends;a valve installed on the inner tube through the hollow main body;a pair of cylindrical end covers, each cover installed on each distal end of the tube, wherein the pair of cylindrical end covers are formed of the same material as the hollow main body; anda closed end cap on each end cover at each distal end.2. The quick assembly bicycle inner tube of claim 1 , wherein an outer diameter of each of the cylindrical end covers is joined to align longitudinally with an outer diameter of each distal end of the hollow main body.3. The quick assembly bicycle inner tube of claim 1 , wherein a face of each closed end cap is flat.4. The quick assembly bicycle inner tube of claim 3 , wherein a face of each closed end cap is flat in a radial direction claim 3 , perpendicular to a longitudinal direction of the hollow main body.5. The quick assembly bicycle inner tube of claim 1 , wherein each closed end cap is joined to an outer diameter of each end cover.6. The quick assembly bicycle inner tube of claim 1 , wherein the inner tube has a length such that each closed end cap at each distal ...

PNEUMATIC TIRE

A pneumatic tire includes a tread portion provided with a circumferentially and continuously extending zigzag shoulder main groove located adjacent to a tread edge, a shoulder lateral groove extending axially outwardly from the shoulder main groove and a central lateral groove extending axially inwardly from the shoulder main groove. The shoulder main groove includes an inner corner portion protruding axially inwardly. The central lateral groove includes a first groove portion, a second groove portion and a confluence portion at which the first groove portion and the second groove portion meet. The confluence portion of the central lateral groove is communicated with the inner corner portion of the shoulder main groove. The shoulder lateral groove is located so that an extended portion in which the shoulder lateral groove is extended axially inwardly overlaps with the confluence portion at least partially. 1. A pneumatic tire comprising:a tread portion provided with a circumferentially and continuously extending zigzag shoulder main groove located adjacent to a tread edge, a shoulder lateral groove extending axially outwardly from the shoulder main groove and a central lateral groove extending axially inwardly from the shoulder main groove;the shoulder main groove comprising an inner corner portion protruding axially inwardly;the central lateral groove comprising a first groove portion, a second groove portion and a confluence portion at which the first groove portion and the second groove portion meet;the confluence portion of the central lateral groove being communicated with the inner corner portion of the shoulder main groove; andthe shoulder lateral groove being located so that an extended portion in which the shoulder lateral groove is extended axially inwardly overlaps with the confluence portion at least partially.2. The pneumatic tire according to claim 1 , wherein the shoulder main groove comprises an axially outer groove edge comprising an inner corner ...

VALVE FOR TUBELESS TIRES

The invention is directed to a valve stem system () for tubeless wheels. The valve stem system () includes a valve stem body () with a first end () and a second end (), wherein the second end () is located in a tire/rim-volume when mounted at the wheel. A first valve () is arranged at the second end () of the valve stem body (). The first valve () is a self-sealing one-way valve. A second valve () is removably mountable at the first end () and is, when mounted, at least partially housed in the valve stem body (). The second valve () comprises a valve stem core inserted in the valve stem body () and can be added or removed from the valve stem body () while pressure is maintained within the tire by the first valve (). The invention further concerns a probe () for a valve stem system, a method to test the amount of sealant in a wheel and a refilling assembly () for a wheel. 1150601. A valve stem system () for tubeless wheels , said wheels comprising a rim () and a tire () , said valve stem system () comprising:{'b': 2', '3', '4', '4, 'a valve stem body () with a first end () and a second end (), the second end () being located in the tire/rim-volume when mounted on the wheel;'}{'b': 5', '4', '2, 'a first valve () comprising a self-sealing one-way valve arranged at the second end () of the valve stem body (); and'}{'b': 10', '3', '2', '10', '2', '10', '2', '5, 'a second valve () removably mountable at the first end () and, when mounted, at least partially housed in the valve stem body (), wherein the second valve () comprises a valve stem core inserted in the valve stem body () and wherein the second valve () can be added or removed from the valve stem body () while pressure is maintained within the tire/rim-volume by the first valve ().'}21567. The valve stem system () according to claim 1 , wherein the first valve () comprises at least one sealing lip () and at least one slit ().315. The valve stem system () according to claim 1 , wherein the first valve () comprises ...

Magnetic/osmotic inner tube

Various embodiments are directed to a magnetic and osmotic inner tube for insertion in vehicle tires. The magnetic and osmotic inner tube may include a nonpermeable membrane ring coupled to a semipermeable membrane ring, an O-ring, and a group of polar magnets. The nonpermeable membrane ring may be coated with a sealant and store hypertonic fluid and plugging materials. The semipermeable membrane ring may store hypotonic fluid and plugging materials. When a vehicle tire is punctured by an object, the hypotonic fluid and the plugging materials are drawn by osmosis through the semipermeable membrane ring into the hypertonic fluid of the nonpermeable membrane ring to create an osmotic pressure on the nonpermeable membrane ring that causes the O-ring to seal the puncture. The polar magnets may be arranged, in parallel, to generate opposing magnetic forces that create a magnetic field that supports a vehicle weight.

TIRE INFLATION DEVICE

An air deflector that is at least partially disposable within a tubeless tire of a bicycle wheel includes a body. The body includes at least one wall defining an air input end and an air output end of the body. The body is attachable to a valve of the tubeless tire at the air input end, such that when air is introduced into the body via the valve, at least some of the air is deflectable by one or more walls of the at least one wall out of the body at the air output end. 1. An air deflector disposable at least partially within a tubeless tire of a bicycle wheel , the air deflector comprising:a body including at least one wall defining an air input end and an air output end of the body,wherein the body is attachable to a valve of the tubeless tire at the air input end, such that when air is introduced into the body via the valve, at least some of the air is deflectable by one or more walls of the at least one wall out of the body at the air output end.2. The air deflector of claim 1 , wherein the body is a hollow body.3. The air deflector of claim 2 , wherein the body includes:an input opening at the air input end of the body, an input air axis being a central axis extending through the input opening; andan output opening at the air output end of the body,wherein the air output end of the body is at a distance relative to the input air axis.4. The air deflector of claim 3 , wherein the air output end faces in a direction that is at a positive acute angle relative to the input air axis.5. The air deflector of claim 3 , wherein the body is a bent tube or a curved tube.6. The air deflector of claim 3 , wherein the output opening is elliptical claim 3 , square claim 3 , rectangular claim 3 , or circular.7. The air deflector of claim 2 , wherein the air output end is a first air output end claim 2 , and the output opening is a first output opening claim 2 ,wherein the body further has a second air output end, andwherein the body further includes a second output opening at ...

Pneumatic Tire

The pneumatic tire of the present technology has an overlap splice portion joined by overlapping resin film sheet materials on each other, wherein at least one layer of two layers joined by overlapping the film sheet materials in the overlap splice portion has recessed portions of a depth that is smaller than a thickness of the film sheet material on a non-joining surface side thereof, and joining surface sides of the two layers are formed into flat surfaces and the flat surfaces are joined. 1. A pneumatic tire that uses a thermoplastic elastomer composition in a sheet , the thermoplastic elastomer composition including a thermoplastic resin or a blend of a thermoplastic resin and an elastomer as a resin film sheet material , the pneumatic tire comprising:an overlap splice portion joined by overlapping the film sheet material on another film sheet material,at least one layer of two layers joined by overlapping the film sheet materials in the overlap splice portion having recessed portions of a depth D (μm) that is smaller than a thickness T (μm) of the film sheet material on a non-joining surface side thereof, andsurface sides of the two layers are formed into flat surfaces and joined.2. The pneumatic tire according to claim 1 , wherein the depth D (μm) of the recessed portions and the thickness T of the film sheet material are in a relation of formula (a) below:{'br': None, 'i': T≦D<', 'T, '0.011.0\u2003\u2003Formula (a)'}3. The pneumatic tire according to claim 2 , wherein a surface area S (cm) of the overlap splice portion joined by overlapping the film sheet materials each other and a total surface area A (cm) of the recessed portions on one surface are in a relation of formula (b) below:{'br': None, 'i': S≦A≦', 'S, '0.011.0\u2003\u2003Formula (b)'}4. The pneumatic tire according to claim 3 , wherein the recessed portions are formed by a laser light irradiation process.5. The pneumatic tire according to claim 4 , wherein the resin film sheet material forms an ...

VEHICLE WHEEL

This vehicle wheel includes: a first vertical wall surface defined by one rising part of a rim that forms a well part and a second vertical wall surface defined by another rising part are provided; an auxiliary air chamber member has a main body part with an auxiliary air chamber on the inside and has edge parts extending from each of both sides of the main body part in the wheel width direction; each of the edge parts of the auxiliary air chamber member fits into a groove formed in each of the first vertical wall surface and second vertical wall surface, and the auxiliary air chamber member is thereby attached atop the outer circumferential surface of the well part. 1. A vehicle wheel in which sub air chamber members as Helmholtz resonators are attached to an outer circumferential surface of a well portion , comprising:a first vertical wall surface restricted by one of standing-up portions of a rim forming the well portion; anda second vertical wall surface restricted by the other one of the standing-up portions of the rim forming the well portion,wherein the each sub air chamber member includes:a main body portion having a sub air chamber member inside; andfringe portions extending from respective ones of both sides, in wheel width direction, of the main body portion,and wherein the fringe portions of the sub air chamber member are respectively fitted into groove portions formed respectively on the first vertical wall surface and the second vertical wall surface so that the sub air chamber member is attached to the outer circumferential surface of the well portion.2. The vehicle wheel according to claim 1 ,wherein the main body portion of the each sub air chamber member includes a recessed portion in a partial region on outer side in wheel radial direction, a bead of a tire being dropped into the recessed portion when the tire is attached. The present invention relates to a vehicle wheel.Conventionally, as a wheel that silences air column resonance sound in the ...

PREPARING A PRECURED TREAD FOR APPLICATION TO A TIRE CARCASS

The present invention comprises methods and apparatus for preparing a tread for application to a tire carcass by abrading a bottom side of the tread. In particular, the tread has a thickness extending depthwise between a top side and a bottom side of the tread. The tread thickness extends in a longitudinal direction and in a lateral direction between opposing sides of the tread. The tread further includes a void extending within the tread thickness and an extension of the tread extending across a width of the void and as a portion protruding outwardly from the tread bottom side by a distance. Such methods include stretching the tread such that the width of the tread void increases and the distance by which the extension protrudes from the bottom side decreases. Such methods further include abrading the bottom side of the tread. 1. A method for preparing a tread for application to a tire carcass , the method comprising: a thickness extending depthwise between a top side configured to engage a ground surface during tire operation and a bottom side configured to attach to a tire carcass;', 'the tread thickness extending in a longitudinal direction and in a lateral direction between opposing sides of the tread;', 'the tread further including a void extending within the tread thickness and an extension of the tread extending across a width of the void and having a portion protruding outwardly from the tread bottom side by a distance;, 'providing a tread havingstretching the tread such that the width of the void increases and the distance by which the extension protrudes from the bottom side decreases; and,abrading the bottom side of the tread.2. The method of claim 1 , the void comprises a groove.3. The method of claim 2 , the groove extending into the tread thickness from the top side between the top side and the extension.4. The method of claim 2 , the groove extending lengthwise in a longitudinal direction of the tread claim 2 , the tread being stretched in a lateral ...

WHEEL WITH SOUND ABSORBER

The present application relates to a wheel with a sound absorber, the sound absorber being mounted in a wheel air chamber to reduce acoustic resonance, wherein the sound absorber is configured as a flat hexahedral box resonator and fastened to a wheel hub through a band, a first positioning mechanism is provided between the hub and the box resonator to fix the relative positions of the hub and the box resonator, and a second positioning mechanism is provided between the box resonator and the band to fix the relative positions of the box resonator and the band. According to the technical solution of the present disclosure, the resonator is positioned and fixed more reliably on the wheel, and the wheel is simple and economical in manufacturing, and convenient and controllable in installation and operation. 1. A wheel with a sound absorber , the sound absorber being mounted in a wheel air chamber to reduce acoustic resonance , wherein the sound absorber is configured as a flat hexahedral box resonator and fastened to a wheel hub through a band , a first positioning mechanism is provided between the hub and the box resonator to fix the relative positions of the hub and the box resonator , and a second positioning mechanism is provided between the box resonator and the band to fix the relative positions of the box resonator and the band.2. The wheel according to claim 1 , wherein one box resonator is mounted on the wheel hub claim 1 , or a plurality of box resonators mounted along the circumference of the hub are mounted on the wheel hub.3. The wheel according to claim 1 , wherein the band presses the box resonator from the top surface of the box resonator to the outer surface of a rim of the wheel hub claim 1 , and fastens the box resonator around the hub claim 1 , two ends of the band are fixedly connected by buckles claim 1 , a circumferential pre-tightening force is thus provided for the band to fix the box resonator radially with respect to the wheel claim 1 , and ...

Tire-Wheel Assembly

A tire-wheel assembly includes a run-flat support member that is provided with a support surface formed on an outer circumferential side, and that is disposed on a rim in a cavity portion of a pneumatic tire, the run-flat support member being formed by connecting a plurality of foamed bodies in a tire circumferential direction with a band-like member, and being disposed in an annular shape on an outer circumference of the rim. 1. A tire-wheel assembly comprising:a run-flat support member that is provided with a support surface formed on an outer circumferential side, and that is disposed on a rim in a cavity portion of a pneumatic tire,the run-flat support member being formed by connecting a plurality of foamed bodies in a tire circumferential direction with a band-like member, and being disposed in an annular shape on an outer circumference of the rim.2. The tire-wheel assembly according to claim 1 , wherein the foamed bodies each have support means for suspending the band-like member.3. The tire-wheel assembly according to claim 1 , wherein the band-like member includes a fastening mechanism capable of repeatedly adjusting length of the band-like member in the tire circumferential direction in an extensible manner.4. The tire-wheel assembly according to claim 1 , wherein the foamed bodies each have a density of 0.05 g/cmto 0.3 g/cm.5. The tire-wheel assembly according to claim 1 , wherein the foamed bodies each have a compression strength of 20 N/cmor more at 10% strain claim 1 , and a bending strength of 30 N/cmor more at 5% strain.6. The tire-wheel assembly according to claim 1 , wherein the foamed bodies have a cross-sectional area that is one-fourth or more of a cross-sectional area of the cavity portion of the pneumatic tire claim 1 , in a cross section in a meridian direction of the pneumatic tire.7. The tire-wheel assembly according to claim 2 , wherein the support means is a through hole opened in each of the foamed bodies in the tire circumferential ...

AUTOMOTIVE WHEEL EQUIPPED WITH RESONATOR MODULE HAVING IMPROVED FASTENING FORCE

The present disclosure relates to an automotive wheel equipped with a resonator module having an improved fastening force and, more particularly, to an automotive wheel equipped with a resonator module having an improved fastening force, the automotive wheel having a first accommodation groove spaced a predetermined distance inward from both sides of the resonator module and being able to accommodate a fastening band therein so that a fastening force between a rim and the resonator module can be improved, and having a second accommodation groove engraved from the bottom of the first accommodation groove to be able to accommodate a stopper of the fastening band. 1. An automotive wheel equipped with resonator module having improved fastening force , the automotive wheel comprising:a spoke including an edge and a plurality of supports radially extending from a center thereof to the edge;a rim connected to the edge of the spoke; anda resonance module including a rim contact portion provided to surround an outer edge of the rim, and a resonance portion formed to surround at least a portion of the rim contact portion and forming a resonance space between the rim contact portion and the resonance portion.2. The automotive wheel of claim 1 , wherein the resonance module includes a first accommodation groove spaced a predetermined distance inward from both sides of the resonance module and being able to accommodate a fastening band therein so that a fastening force between the rim and the resonance module can be primarily improved.3. The automotive wheel of claim 2 , wherein the resonance module further includes anti-separation guiders disposed between both sides of the resonance module and the first accommodation groove and protruding from a top of the resonance module to be able to prevent the fastening band from separating from the resonance module.4. The automotive wheel of claim 3 , wherein at least any one of the anti-separation guiders disposed on both sides of the ...

ADAPTER FOR A ROLLING ASSEMBLY AND ROLLING ASSEMBLY COMPRISING SAME

A flexible adapter () for a rolling assembly, said rolling assembly comprising a tyre () having two beads (), a rim () and two adapters () each intended to ensure the joint between one of the beads () and the rim (), said rim () having two rim seats () each extended axially outwards by a rim flange (), the rim seat having a diameter D, the adapter comprising an axially outer end () and a body () oriented substantially axially and disposed between said axially outer end () and said axially inner end (), said body () having a radially outer face () and a radially inner face (), having the intersection between the shoulder () of the axially outer end () of the adapter () and the substantially tapered face of said adapter seat () forming a circle of diameter D, said adapter seat () having a substantially tapered face of angle α, in which the difference “d” between the diameters D and D, d=D−D, lies between 25.9 mm and 30.4 mm and the angle α is greater than 0.5°. 18.-. (canceled)93. A flexible adapter for a rolling assembly , the rolling assembly comprising a tire having two beads , a rim and at least one adapter intended to ensure a radially flexible link between one of the beads and the rim , the rim having two rim seats , each rim seat being extended axially outwards by a rim flange , and the rim seat having a diameter D ,wherein the adapter forms a piece of revolution of axis of rotation, an axially inner end intended to be mounted on one of the rim seats and intended to be immobilized axially against the adjacent rim flange;', 'an axially outer end;', 'a body oriented mainly axially and disposed between the axially outer end and the axially inner end, the body having a radially outer face and a radially inner face, and the axially inner end having an axially outer face substantially at right angles to the axis of rotation;', {'b': 1', '1, 'an adapter seat intended to receive a tire bead, the adapter seat being defined by a base and a shoulder, the shoulder being ...

GENERATOR FOR AUTOMOBILE USING FLEXIBLE PIEZOELECTRIC DEVICE

According to an embodiment of the present disclosure, a generator using a flexible piezoelectric device comprises a tire with a hollow tube structure, a ring-shaped inner wall formed on an inner surface of the tire, a supporting frame connecting a center of the tire with in inner surface of the tire to support the inner wall, and a flexible piezoelectric device fastened or mounted on an overall outer surface of the inner wall. The flexible piezoelectric device is pressurized to generate electricity as the tire is compressed by contact with the ground and at space between the inner wall and the inner surface of the tire is thus reduced. 1. A generator using a flexible piezoelectric device , the generator comprising:a tire with a hollow tube structure;a ring shaped inner wall formed on an inner surface of the tire;supporting frame connecting a center of the tire with an inner surface of the tire to support the inner wall; anda flexible piezoelectric device fastened or mounted on an overall outer surface of the inner wall, wherein the flexible piezoelectric device is pressurized to generate electricity as the tire is compressed by contact with the ground and a space between the inner wall and the inner surface of the tire is thus reduced.2. The generator of claim 1 , wherein the supporting frame is formed of a flexible material to be compressed when the tire is compressed to contact the inner wall.3. The generator of claim 2 , wherein the flexible material includes a spring.4. The generator of claim 1 , wherein the inner wall includes a plurality of layers claim 1 , wherein a plurality of flexible piezoelectric devices are positioned in spaces between the plurality of layers claim 1 , and wherein as the tire contacts the ground and compresses claim 1 , the plurality of flexible piezoelectric devices are substantially simultaneously pressurized to together produce electricity.5. The generator of claim 1 , further comprising a substantially U-shaped side supporting plate ...

Adapter For a Rolling Assembly And Rolling Assembly Comprising Same

Adapter for rolling assembly comprising tire and rim to provide the connection therebetween. The adapter has axially inner end with inner reinforcing element, axially outer end with outer reinforcing element, and a body. The outer reinforcing element, axially outside of bearing face (), is a bead wire made of three layers () of metal threads and concentric. First layer () includes metal thread of diameter D, 0.8≤D≤5 mm, second layer () has metal thread of diameter D, D≤1.4×D, and wound in a helix at angle A, 2°≤A≤10°, and third layer () has metal thread of diameter D and wound in a helix around second layer () at angle A, 2°≤A≤10°, and of opposite sign to A 1. An adapter for a rolling assembly having an axis of rotation , the rolling assembly comprising a tire having two beads , a rim having two rim bead seats , for each bead , the said adapter providing the connection between the bead and the rim , the said adapter comprising:an axially inner end comprising an inner reinforcing element and adapted to be mounted on a rim bead seat;an axially outer end comprising an outer reinforcing element and adapted to come into contact, via a substantially radial axially inner face, or bearing face, with a bead;a body connecting the axially outer end to the axially inner end so as to form a single piece, and comprising at least one main reinforcement providing the connection between the outer reinforcing element and the inner reinforcing element, and comprising a substantially axial adapter seat adapted to come into contact with a bead,{'b': 1', '2', '1', '2', '3', '3', '2, 'wherein the outer reinforcing element is wholly axially on the outside of the bearing face, wherein the outer reinforcing element is an annular structure, referred to as a bead wire, having a mean line and comprised of a stack of at least three layers comprised of metal threads and concentric with respect to the mean line, wherein a first layer or core comprises at least one metal thread having a diameter D ...

PNEUMATIC TIRE

A pneumatic tire can include a tread portion, a sealant layer on a tire inner cavity surface in the tread portion, a porous sound damper inward of the sealant layer in a tire radial direction, and a barrier portion between the sealant layer and the sound damper. A strength of the barrier portion can be 2 to 25 (N). 1. A pneumatic tire comprising:a tread portion;a sealant layer on a tire inner cavity surface in the tread portion, the sealant layer containing an adhesive sealant liquid;a porous sound damper inward of the sealant layer in a tire radial direction; anda barrier portion between the sealant layer and the sound damper to prevent the sealant liquid from permeating the sound damper, whereina strength of the barrier portion is 2 to 25 (N).2. The pneumatic tire according to claim 1 , wherein the barrier portion is formed by a nonporous surface formed in the sound damper.3. The pneumatic tire according to claim 2 , wherein the nonporous surface is a thermally treated surface.4. The pneumatic tire according to claim 1 , wherein the barrier portion is an adhesive tape.5. The pneumatic tire according to claim 1 , wherein the barrier portion is a resin film.6. The pneumatic tire according to claim 5 , wherein the sound damper is adhered to the barrier portion via an adhesive.7. The pneumatic tire according to claim 1 , wherein a specific gravity of the sound damper is 20 to 80 kg/m.8. The pneumatic tire according to claim 1 , wherein a thickness of the sound damper is 25 to 40 mm.9. The pneumatic tire according to claim 1 , wherein a length of the sound damper in a tire axial direction is not less than 60% of a length of the sealant layer in the tire axial direction.10. The pneumatic tire according to claim 1 , wherein a length of the sound damper in a tire axial direction is less than 100% of a length of the sealant layer in the tire axial direction.11. The pneumatic tire according to claim 1 , wherein a thickness of the barrier portion is 0.05 to 0.20 mm.12. The ...

ADAPTER FOR A WHEELED ASSEMBLY AND A WHEELED ASSEMBLY COMPRISING SAME

An adapter for a rolling assembly having an axis of rotation (YY′), the rolling assembly comprising a tyre having two beads, and a rim having two rim bead seats, for each bead, provides the connection between the bead and the rim, the said adapter comprising an axially inner end connected to the rim, an axially outer end comprising an outer reinforcing element and intended to come into contact, via a substantially radial axially inner face, or bearing face, with a bead, a body connecting the axially outer end to the axially inner end so as to form a single piece, comprising at least one main reinforcement providing the connection between the outer reinforcing element and the inner reinforcing element, and comprising a substantially axial adapter seat intended to come into contact with a bead. The outer reinforcing element is completely axially on the outside of the bearing face, and the outer reinforcing element is a substantially annular structure, referred to as a bead wire, of polygonal section, comprising an individual metal wire of diameter D, the said wire being coated in an elastomer composition and wound contiguously around a support at least three times in an axial direction and at least twice in a radial direction. 17.-. (canceled)8. An adapter for a rolling assembly having an axis of rotation and comprising a tire having two beads and a rim having two rim bead seats , the adapter providing , for each bead , the connection between a bead and a rim , and the adapter having:an axially inner end connected to the rim;an axially outer end comprising an outer reinforcing element and intended to come into contact, via a substantially radial axially inner face with a bead, the substantially radial axially inner face being a bearing face; anda body connecting the axially outer end to the axially inner end, comprising at least one main reinforcement providing the connection between the outer reinforcing element and the inner reinforcing element, and comprising a ...

Adapter For A Rolling Assembly And Rolling Assembly Comprising Same

Adapter for a rolling assembly intended to be fitted to a passenger vehicle, with improved mountability and a high capacity for absorbing large deformations in the event of pinch shocks. The adapter has reinforcing element () of the axially outer end () wholly situated axially on the outside of bearing face () and radially on the outside of adapter seat (), and a main reinforcement () having a radial superposition of at least two layers of reinforcers, the reinforcers being mutually parallel within one and the same layer and crossed with one another from one layer to the next. Each of the layers of main reinforcement () comprises reinforcers which make, with a circumferential direction (XX′) of the tire, an angle at least equal to 30°, and coated with a polymer material having an elastic modulus at 10% elongation at most equal to 70 MPa. 1. An adapter for a rolling assembly , the rolling assembly having an axis of rotation and comprising a tire having two beads , a rim having two rim bead seats and two adapters each configured to provide the connection between one of the beads and the rim , the adapter comprising:an axially inner end configured to be mounted on a rim bead seat and comprising an inner reinforcing element and a substantially radial axially outer face;an axially outer end configured to come into contact with one of the beads and comprising an outer reinforcing element and a substantially radial axially inner face or bearing face;a substantially axial body connecting said axially outer end to said axially inner end so as to form a single piece;said substantially axial body comprising at least a main reinforcement providing the connection between the outer reinforcing element and the inner reinforcing element, the main reinforcement comprising at least one layer of mutually parallel reinforcers;said substantially axial body comprising an adapter seat configured to receive said one of the beads and situated near the axially outer end,wherein the ...

SELF-INFLATING TIRE AND PRESSURE REGULATOR

A self-inflating tire assembly includes an air tube connected to a tire and defining an air passageway, the air tube being composed of a flexible material operative to allow an air tube segment opposite a tire footprint to flatten, closing the passageway, and resiliently unflatten into an original configuration. The air tube is sequentially flattened by the tire footprint in a direction opposite to a tire direction of rotation to pump air along the passageway to a inlet control valve. The inlet control valve regulates the inlet air flow to the air tube and the outlet air flow to the tire cavity. 1. A self-inflating tire assembly comprising:a tire mounted to a rim, the tire having a tire cavity, first and second sidewalls extending respectively from first and second tire bead regions to a tire tread region;an air passageway having an inlet end and an outlet end, the air passageway being composed of a flexible material operative to open and close when the tire rotates, wherein the outlet end is in fluid communication with the tire cavity; 'wherein the body of the inlet control valve has a first and second flexible duct, wherein said first and second flexible ducts each have an internal passageway; wherein the first flexible duct has a first end connected to an inlet filter assembly and a second end is connected to the interior chamber of the inlet control valve, wherein the second flexible duct has a first end connected to the outlet port of the inlet control valve, and a second end in fluid communication with the inlet end of the air passageway.', 'the inlet control valve having a regulator body having an interior chamber; a pressure membrane being mounted on the inlet control valve to enclose the interior chamber, wherein the pressure membrane has a lower surface that is positioned to open and close the outlet port mounted in the interior chamber, wherein the pressure membrane is in fluid communication with the tire cavity pressure;'}2. The self-inflating tire ...

HIGH PERFORMANCE TYRE FOR VEHICLE WHEELS

A tyre for vehicle wheels, includes a carcass structure including at least one carcass layer, a belt structure applied in a radially outer position with respect to the carcass structure, a tread band applied in a radially outer position with respect to the belt structure, and at least one layer of elastomeric material applied in a radially inner position with respect to the tread band; in which the at least one elastomeric material layer includes inorganic fibres of magnesium and/or aluminium silicates of nanometric dimensions. 118-. (canceled)19. A tire for vehicle wheels comprising:a carcass structure comprising at least one carcass layer;a belt structure applied in a radially outer position with respect to said carcass structure;a tread band applied in a radially outer position with respect to said belt structure; andat least one elastomeric material layer disposed between said tread band and said belt structure,wherein said elastomeric material layer extends over a surface substantially corresponding to a development surface of said belt structure or over a portion of a surface substantially corresponding to a development surface of said belt structure, andwherein said elastomeric material comprises magnesium and/or aluminium silicates inorganic fibres, said fibres having nanometric dimensions.20. The tire for vehicle wheels according to claim 19 , wherein said elastomeric material comprises a diene elastomeric polymer.21. The tire for vehicle wheels according to claim 19 , wherein said elastomeric material comprises magnesium and/or aluminium silicates inorganic fibres having a diameter of less than 500 nm.22. The tire for vehicle wheels according to claim 19 , wherein said elastomeric material comprises magnesium and/or aluminium silicates inorganic fibres having a diameter of less than 100 nm.23. The tire for vehicle wheels according to claim 22 , wherein said elastomeric material comprises magnesium and/or aluminium silicates inorganic fibres having a ...

Pneumatic Tire

A pneumatic tire comprises a carcass layer, a belt layer disposed on an outer side of the carcass layer in a tire radial direction, and a tread rubber disposed on the outer side of the belt layer in the tire radial direction. The belt layer is formed by laminating a pair of cross belts having a belt angle of not less than 10° and not more than 45° in absolute values and having belt angles of mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° with respect to the tire circumferential direction. A tread width TW and a total tire width SW have a relationship such that 0.79≦TW/SW≦0.89. 1. A pneumatic tire comprising a carcass layer , a belt layer disposed outward in a tire radial direction of the carcass layer , and a tread rubber disposed outward in the tire radial direction of the belt layer , whereinthe belt layer is formed by laminating a pair of cross belts having a belt angle of not less than 10° and not more than 45° in absolute values and having belt angles of mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° with respect to the tire circumferential direction,a tread width TW and a total tire width SW have a relationship such that 0.79≦TW/SW≦0.89, anda highest position diameter Ya of the carcass layer, a height position diameter Yb of the carcass layer at an end portion of the circumferential reinforcing layer, and a widest position diameter Yc of the carcass layer have relationships such that 0.80≦Yc/Ya≦0.90 and 0.95≦Yb/Ya≦1.00.2. A pneumatic tire comprising a carcass layer , a belt layer disposed outward in a tire radial direction of the carcass layer , and a tread rubber disposed outward in the tire radial direction of the belt layer , whereinthe belt layer is formed by laminating a pair of cross belts having a belt angle of not less than 10° and not more than 45° in absolute values and having belt angles of mutually opposite signs, and a ...

Pneumatic Tire

A circumferential direction protrusion is provided extending longitudinally mainly along a tire circumferential direction on a side outward in a tire radial direction from a maximum tire width position on at least a first tire side portion of a tire. 1. A pneumatic tire , comprising a circumferential direction protrusion extending longitudinally mainly along a tire circumferential direction disposed in at least a first tire side portion outward in a tire radial direction from a maximum tire width position.2. The pneumatic tire according to claim 2 , wherein a height that the circumferential direction protrusion protrudes from the tire side portion satisfies a range of not less than 3 mm and not more than 10 mm claim 2 , and a width in a lateral direction satisfies a range of not less than 0.5 mm and not more than 5 mm.3. The pneumatic tire according to claim 1 , wherein the circumferential direction protrusion is disposed on the first tire side portion claim 1 , and a plurality of radial direction protrusions that extend longitudinally mainly along the tire radial direction is disposed on a second tire side portion.4. The pneumatic tire according to claim 3 , wherein a height that the radial direction protrusions protrude from the tire side portion satisfies a range of not less than 1 mm and not more than 10 mm claim 3 , a number of the radial direction protrusions disposed in the tire circumferential direction satisfies a range of not less than 10 and not more than 50 claim 3 , and a width in the lateral direction satisfies a range of not less than 0.5 mm and not more than 5 mm.5. The pneumatic tire according to claim 1 , wherein a vehicle inner/outer orientation when mounted on a vehicle is designated claim 1 , and the circumferential direction protrusion is disposed on the tire side portion on the vehicle outer side.6. The pneumatic tire according to claim 2 , wherein the circumferential direction protrusion is disposed on the first tire side portion claim 2 , ...

AIRCRAFT TIRE

A pneumatic tire is disclosed having two annular bead portions having a bead core. A carcass extends between the bead portions through sidewall portions and a tread portion, wherein the carcass includes at least two axially inner plies which extend down from the tread and axially inward of the bead core, said at least two axially inner plies being wound around the bead core forming respective turn-ups, each turnup being located axially outward of the bead core. The carcass further includes a first axially outer ply which extends down from the tread towards the bead core and positioned axially outward of the bead core, wherein at least one of the axially outer plies is formed from reinforcements having a higher break strength than the reinforcements of the axially inner plies. 2. The pneumatic tire of further comprising a second axially outer ply having a higher strength than the axially inner plies.3. The pneumatic tire of wherein the angle of the axially inner plies is in the range of 40-55 degrees as measured with respect to axis XX claim 1 , when measured in the unmounted claim 1 , uninflated new condition.4. The pneumatic tire of wherein the angle of the axially inner plies is in the range of 40-50 degrees as measured with respect to axis XX claim 1 , when measured in the unmounted claim 1 , uninflated new condition.5. The pneumatic tire of wherein the axially innermost plies are formed from nylon reinforcements having a 1890 d/3 6×6 cord construction.6. The pneumatic tire of wherein at least one of the carcass plies are formed from nylon reinforcements having a 1890 d/2/2 5×6 cord construction.7. The pneumatic tire of further comprising two additional plies located axially outward of the first and second axially inner plies claim 1 , wherein said additional plies are formed of cords having a lower break strength than the first and second axially inner plies.8. The pneumatic tire of wherein the axially outermost ply is formed from nylon with a 1890 d/2/2 4×4 ...

AIRCRAFT TIRE WITH DIFFERENT MODULUS PLY

A pneumatic tire is disclosed having two annular bead portions having a bead core. A carcass extends between the bead portions through sidewall portions and a tread portion, wherein the carcass includes at least two axially inner plies which extend down from the tread and axially inward of the bead core, said at least two axially inner plies being wound around the bead core forming respective turn-ups, each turnup being located axially outward of the bead core. The carcass further includes a first axially outer ply which extends down from the tread towards the bead core and positioned axially outward of the bead core, wherein at least one of the axially inner plies is formed from reinforcements having a higher break strength than the reinforcements of the other plies. 1. A pneumatic tire comprising:two annular bead portions having a bead core;a carcass extending between the bead portions through sidewall portions and a tread portion, wherein the carcass includes at least two axially inner plies which extend down from the tread and axially inward of the bead core, said at least two axially inner plies being wound around the bead core forming respective turn-ups, each turnup being located axially outward of the bead core;said carcass further including a first axially outer ply which extends down from the tread towards the bead core and positioned axially outward of the bead core, wherein at least one of the axially inner plies is formed from reinforcements having a higher break strength than the reinforcements of the other plies.2. The pneumatic tire of wherein at least two of the axially inner plies have a higher strength than the axially outer plies.3. The pneumatic tire of wherein the angle of the axially inner plies is in the range of 40-55 degrees as measured with respect to axis XX claim 1 , when measured in the unmounted claim 1 , uninflated new condition.4. The pneumatic tire of wherein the angle of the axially inner plies is in the range of 40-50 degrees as ...

PNEUMATIC TIRE HAVING MULTIPLE BUILT-IN SEALANT LAYERS AND PREPARATION THEREOF

A tire with a built-in puncture sealant comprising a supporting tire carcass comprised of one or more layers of ply, an outer circumferential tread, and a radially inner layer, a pair of beads, sidewalls extending radially inward from the axial outer edges of the tread portion to join the respective beads, a sealant comprising an outer layer of sealant and an inner layer of sealant, disposed inwardly from said tire carcass inner layer, wherein the outer layer of sealant and the inner layer of sealant have different viscosities, and wherein said sealant provides self-sealing properties to the tire. 1. A tire with a built-in puncture sealant comprising:a supporting tire carcass comprised of one or more layers of ply, an outer circumferential tread, and a radially inner layer,a pair of beads,sidewalls extending radially inward from the axial outer edges of the tread portion to join the respective beads,a sealant comprising an outer layer of sealant and an inner layer of sealant, disposed inwardly from said tire carcass inner layer,wherein the outer layer of sealant and the inner layer of sealant have different viscosities, andwherein said sealant provides self-sealing properties to the tire.2. Tire of wherein said outer layer of sealant has a higher viscosity than said inner layer of sealant claim 1 , and said inner layer of sealant has a lower viscosity than said outer layer of sealant.3. A tire with built-in sealant layer comprising:a supporting tire carcass having an outer circumferential rubber tread and an inner layer,an optional rubber inner liner disposed inwardly from the inner layer of the supporting carcass, anda plurality of built-in sealant layers having different viscosities disposed inwardly from the supporting carcass and, if the optional rubber inner liner is present, inwardly from the optional rubber inner liner, an innermost rubber inner liner disposed inwardly from the built-in sealant layer and having a plurality of spaced apart openings extending ...

Surface Coating Agent for Tires

A tire surface coating agent which is coated on the surface of an unvulcanized tire or a vulcanized pneumatic tire includes 2 to 100 wt. % of a specific polyalkylene glycol carboxylic acid alkyl ester. 2. The tire surface coating agent according to claim 1 , wherein claim 1 , in the general formula (I) claim 1 , Rrepresents a hydrocarbon group having 9 to 19 carbons claim 1 , while n is an integer of from 1 to 5.3. The tire surface coating agent according to claim 1 , wherein claim 1 , in the general formula (I) claim 1 , Rrepresents a hydrocarbon group having 9 to 19 carbons claim 1 , Rrepresents an ethylene group claim 1 , and n is an integer of from 1 to 5.4. A method for manufacturing a pneumatic tire claim 1 , wherein the tire surface coating agent according to is coated on the surface of an unvulcanized tire claim 1 , then vulcanized and molded.5. Use of a tire surface coating agent claim 1 , wherein the tire surface coating agent according to is coated on the surface of a vulcanized pneumatic tire.6. Use of a tire surface coating agent claim 1 , wherein the tire surface coating agent according to is coated on the surface of a vulcanized pneumatic tire claim 1 , then heated at 30 to 60° C. for 2 hours or longer.7. A method for manufacturing a pneumatic tire claim 2 , wherein the tire surface coating agent according to is coated on the surface of an unvulcanized tire claim 2 , then vulcanized and molded.8. Use of a tire surface coating agent claim 2 , wherein the tire surface coating agent according to is coated on the surface of a vulcanized pneumatic tire.9. Use of a tire surface coating agent claim 2 , wherein the tire surface coating agent according to is coated on the surface of a vulcanized pneumatic tire claim 2 , then heated at 30 to 60° C. for 2 hours or longer.10. A method for manufacturing a pneumatic tire claim 3 , wherein the tire surface coating agent according to is coated on the surface of an unvulcanized tire claim 3 , then vulcanized and ...

SELF INFLATING TIRE WITH PRESSURE REGULATOR

A self-inflating tire assembly includes an air tube connected to a tire and defining an air passageway, the air tube being composed of a flexible material operative to allow an air tube segment opposite a tire footprint to flatten, closing the passageway, and resiliently unflatten into an original configuration. The air tube is sequentially flattened by the tire footprint in a direction opposite to a tire direction of rotation to pump air along the passageway to a regulator device. The regulator device regulates the inlet air flow to the air tube and the outlet air flow to the tire cavity. 1. A self-inflating tire assembly comprising:a tire mounted to a rim, the tire having a tire cavity, first and second sidewalls extending respectively from first and second tire bead regions to a tire tread region;a pump passageway having an inlet end and an outlet end, the pump passageway being composed of a flexible material operative to open and close when the tire rotates, wherein the outlet end is in fluid communication with the tire cavity;a flow bridge comprised of a flexible material, and having an internal passageway which extends completely therethrough, said internal passageway having a first end and a second end;a first flow tee having an internal duct and having an outlet in fluid communication with the first end of the flow bridge, said internal duct having in inlet in fluid communication with the outside air;a second flow tee having an internal duct and having an inlet in fluid communication with the second end of the flow bridge, said internal duct having an outlet in fluid communication with the inlet end of the pump passageway.2. A self-inflating tire assembly comprising:a tire mounted to a rim, the tire having a tire cavity, first and second sidewalls extending respectively from first and second tire bead regions to a tire tread region;a pump passageway having an inlet end and an outlet end, the pump passageway being composed of a flexible material operative to ...

Pneumatic Tire

The pneumatic tire having a vehicle inner/outer orientation when mounted on a vehicle includes: protrusions provided on a vehicle inner side on a tire side portion in a tire circumferential direction; and a plurality of recesses provided on a vehicle outer side on a tire side portion, wherein the height of projection of the protrusions from the tire side portion is more than 4 mm and not more than 10 mm, the protrusions are formed elongated and the bending rigidity in a lateral direction satisfies a range not less than 0.1 MPa·mmand not more than 10,000 MPa·mm. 1. A pneumatic tire having a vehicle inner/outer orientation when mounted on a vehicle , comprising: a plurality of protrusions provided on a vehicle inner side on a tire side portion in a tire circumferential direction; and a plurality of recesses provided on a vehicle outer side on a tire side portion;{'sup': 4', '4, 'a height of projection of the protrusions from the tire side portion being more than 4 mm and not more than 10 mm, the protrusions being formed elongated and a bending rigidity in a lateral direction satisfying a range not less than 0.1 MPa·mmand not more than 10,000 MPa·mm.'}2. The pneumatic tire according to claim 1 , wherein a number of the protrusions provided along the tire circumferential direction satisfies a range not less than 10 and not more than 50 claim 1 , and a width of the protrusions in the lateral direction satisfies a range not less than 0.5 mm and not more than 5 mm.3. The pneumatic tire according to claim 1 , wherein the protrusions are formed as a row of fins divided into a plurality of fins in a longitudinal direction claim 1 , and claim 1 , in the row of fins claim 1 , the fins overlap with each other in the tire circumferential direction and a tire radial direction claim 1 , and extend overall in the tire radial direction.4. The pneumatic tire according to claim 3 , wherein an inclination of the protrusions in the longitudinal direction with respect to the tire radial ...

Pneumatic Tire

A circumferential direction protrusion is provided extending longitudinally mainly along a tire circumferential direction on a side outward in a tire radial direction from a maximum tire width position on at least a first tire side portion of a tire. 1. A pneumatic tire , comprising:a circumferential direction protrusion extending longitudinally mainly along a tire circumferential direction disposed in at least a first tire side portion outward in a tire radial direction from a maximum tire width position, whereinthe circumferential direction protrusion is formed divided in the longitudinal direction and coincides with the tire circumferential direction.2. The pneumatic tire according to claim 1 , wherein a height that the circumferential direction protrusion protrudes from the tire side portion satisfies a range of not less than 3 mm and not more than 10 mm claim 1 , and a width in a lateral direction satisfies a range of not less than 0.5 mm and not more than 5 mm.3. The pneumatic tire according to claim 1 , wherein the circumferential direction protrusion is disposed on the first tire side portion claim 1 , and a plurality of radial direction protrusions that extend longitudinally mainly along the tire radial direction is disposed on a second tire side portion.4. The pneumatic tire according to claim 3 , wherein a height that the radial direction protrusions protrude from the tire side portion satisfies a range of not less than 1 mm and not more than 10 mm claim 3 , a number of the radial direction protrusions disposed in the tire circumferential direction satisfies a range of not less than 10 and not more than 50 claim 3 , and a width in the lateral direction satisfies a range of not less than 0.5 mm and not more than 5 mm.5. The pneumatic tire according to claim 1 , wherein a vehicle inner/outer orientation when mounted on a vehicle is designated claim 1 , and the circumferential direction protrusion is disposed on the tire side portion on the vehicle outer ...

Pneumatic Tire

A circumferential direction protrusion is provided extending longitudinally mainly along a tire circumferential direction on a side outward in a tire radial direction from a maximum tire width position on at least a first tire side portion of a tire. 1. A pneumatic tire , comprising a circumferential direction protrusion extending longitudinally mainly along a tire circumferential direction disposed in at least a first tire side portion outward in a tire radial direction from a maximum tire width position , whereinthe circumferential direction protrusion is formed divided in the longitudinal direction,the circumferential direction protrusion is formed extending curved in the longitudinal direction, anda center line of divided portions of the circumferential protrusion in the longitudinal direction includes a component in the tire circumferential direction that is greater than the component in the tire radial direction.2. The pneumatic tire according to claim 1 , wherein a height that the circumferential direction protrusion protrudes from the tire side portion satisfies a range of not less than 3 mm and not more than 10 mm claim 1 , and a width in a lateral direction satisfies a range of not less than 0.5 mm and not more than 5 mm.3. The pneumatic tire according to claim 1 , wherein the circumferential direction protrusion is disposed on the first tire side portion claim 1 , and a plurality of radial direction protrusions that extend longitudinally mainly along the tire radial direction is disposed on a second tire side portion.4. The pneumatic tire according to claim 3 , wherein a height that the radial direction protrusions protrude from the tire side portion satisfies a range of not less than 1 mm and not more than 10 mm claim 3 , a number of the radial direction protrusions disposed in the tire circumferential direction satisfies a range of not less than 10 and not more than 50 claim 3 , and a width in the lateral direction satisfies a range of not less than 0.5 ...

Tire tube

A tire tube includes a tube body and two connectors. The tube body includes an air jet, a first end and a second end. The two connectors are connected to the first end and the second end of the tube body respectively. One of the connectors includes an operating portion corresponding to a tube core of the tube body. 1. A tire tube comprising:a tube body comprising an air jet, a first end and a second end; andtwo connectors connected to the first end and the second end of the tube body respectively,wherein one of the connectors comprises an operating portion corresponding to a tube core of the tube body.2. The tire tube of claim 1 , wherein each of the two connectors has the operating portion respectively.3. The tire tube of claim 1 , wherein one of the connectors is removably connected to the other of the connectors.4. The tire tube of claim 1 , wherein one of the connectors comprises a first inner ring portion and a first outer ring portion claim 1 , the other of the connectors comprises a second inner ring portion and a second outer ring portion claim 1 , the first inner ring portion is connected to the first end of the tube body claim 1 , the first outer ring portion is removably connected the second outer ring portion claim 1 , the second inner ring portion is connected to the second end of the tube body.5. The tire tube of claim 4 , wherein a dimension of the first inner ring portion is ether greater than or smaller than a dimension of the first end of the tube body.6. The tire tube of claim 4 , wherein a dimension of the second inner ring portion is ether greater than or smaller than a dimension of the second end of the tube body.7. The tire tube of claim 4 , wherein a dimension of the first inner ring portion is ether greater than or smaller than a dimension of the second inner ring portion.8. The tire tube of claim 4 , wherein one of the connectors further comprises a first convex ring portion claim 4 , the other of the connectors further comprises a second ...

STRIP LAMINATION METHOD AND APPARATUS

According to one aspect of the invention, an apparatus for forming a strip of rubber is described. The apparatus comprises a support frame; a first and second roller mounted on the support frame, wherein the first and second rollers are spaced apart from each other; and an application roller located adjacent a head, and a channel formed between the head and the outer surface of the application roller and the inner surface of the head; wherein said channel has an inlet and an outlet, wherein the inlet is located near the second roller, and the outlet is located adjacent a die. A method of forming a rubber strip is also described which includes the steps of providing a support frame with a first and second roller mounted thereon, wherein the first and second rollers are spaced apart from each other; threading a rubber stock about the first and second roller, and then through a channel formed between a head and a rotating application roller, and then through an outlet die. 1. An apparatus for forming a strip of rubber , the apparatus comprising:a support frame;a first and second roller mounted on the support frame, wherein the first and second rollers are spaced apart from each other; andan application roller located adjacent a milltruder head, and a channel formed in the space between the head and the outer surface of the application roller and the inner surface of the milltruder head; wherein said channel has an inlet and an outlet, wherein the inlet is located near the second roller, and the outlet is located adjacent a die.2. The apparatus of wherein a center of each roller is in vertical alignment.3. The apparatus of wherein the first and second rollers are spaced apart in the range of 1-5 inches.4. The apparatus of wherein the channel decreases in area from the inlet to the outlet.5. The apparatus of wherein the first and second rollers are heated.6. The apparatus of wherein the first and second rollers are heated at different temperatures.7. The apparatus of ...

PNEUMATIC TIRE

A tire has a rim protector which is formed at a sidewall and which constitutes, an annular protrusion that extends in a tire circumferential direction. The rim protector has not less than two recesses that extend toward the tread region from a location toward the bead region in such fashion as to be directed toward a location in a second direction from a location in a first, direction in the tire circumferential direction, the not less than two recesses being arranged with spaces therebetween in the tire circumferential direction. A mutually adjacent pair of recesses among the not less than two recesses are in a positional relationship such that they partially overlap as seen when projected onto a virtual plane perpendicular to a tire radial direction. 1. A pneumatic tire having a tread region and a bead region , a sidewall arranged between the tread region and the bead region , and a rim protector which is formed at the sidewall and which constitutes an annular protrusion that extends in a tire circumferential direction:wherein the rim protector has not less than two recesses that extend toward the tread region from a location toward the bead region in such fashion as to be directed toward a location in a second direction from a location in a first direction in the tire circumferential direction, the not less than two recesses being arranged with spaces therebetween in the tire circumferential direction; andwherein a mutually adjacent pair of recesses among the not less than two recesses are in a positional relationship such that they partially overlap as seen when projected onto a virtual plane perpendicular to a tire radial direction.2. The pneumatic tire according to wherein the not less than two recesses constitute one group claim 1 , and a plurality of the groups are arranged with uniform spaces therebetween in the tire circumferential direction.3. The pneumatic tire according to wherein not less than three of the recesses are one group claim 1 , and mutually ...

RIM FOR A BICYCLE WHEEL AND BICYCLE WHEEL COMPRISING SUCH A RIM

A rim () for a bicycle wheel, having a body () with a substantially annular extension and a radially outer portion () shaped for coupling with a tire is disclosed. The radially outer portion () includes an annular bottom wall () provided with a hole for an inflation valve, and the annular bottom wall () defines a central annular recess () and two side annular portions () arranged on axially opposite sides with respect to the central annular recess (). The recess () includes, on at least one side, and in at least one circumferentially distal area from the hole with reference to a cross section of the rim (), a radially inner surface () and a radially outer surface (). The radially outer surface () has a different bending radius than that of the radially inner surface (). 1. A band for sealing holes for the assembly of spokes in a rim for a tubeless bicycle wheel , the rim comprising a body with a substantially annular extension having a radially outer portion shaped for coupling with a tire , said radially outer portion comprising an annular bottom wall provided with a hole for an inflation valve , said annular bottom wall comprising a central annular recess and two side annular portions arranged on axially opposite sides with respect to said central annular recess , said recess comprising , at least on one side thereof and at least in an area circumferentially distal from said hole , with reference to a cross section of the rim , a radially inner surface and a radially outer surface , wherein said radially outer surface has a bending radius different to that of said radially inner surface , wherein the band comprises in a cross section thereof , an outer surface with an identical profile to at least that of a radially outer surface of the central annular recess.2. The band of claim 1 , wherein said band has an identical profile to that of the radially outer surface of the annular bottom wall of said rim.3. A rim for a tubeless bicycle wheel claim 1 , comprising a ...

TIRE HAVING SCREW-TYPE NOZZLE

A tire includes a tire body, a sealing film fastened to two side edge portions of the tire body and defining a gas chamber with the tire body, and a nozzle including an inserting member and an exterior screw member. The inserting member has an inner stopping portion disposed on an inner surface of the sealing film, a screw rod extended from the inner stopping portion and through the sealing film, and a gas-charging channel passing through the inner stopping portion and the screw rod and communicating with the gas chamber. The exterior screw member is screwed onto the screw rod and directly or indirectly urged against an outer surface of the sealing film. 1. A tire comprising:a tire body having an open groove and two side edge portions adjacent to the open groove;a sealing film fastened to the two side edge portions of the tire body, defining a gas chamber with the tire body, and having an inner surface facing the gas chamber, an outer surface opposite to the inner surface, and an opening passing through the inner surface and the outer surface and communicating with the gas chamber; anda nozzle comprising an inserting member and an exterior screw member, the inserting member having an inner stopping portion disposed on the inner surface of the sealing film, a screw rod extended from the inner stopping portion and inserted through the opening of the sealing film, and a gas-charging channel passing through the inner stopping portion and the screw rod and communicating with the gas chamber, the exterior screw member being screwed onto the screw rod and directly or indirectly urged against the outer surface of the sealing film.2. The tire as claimed in claim 1 , wherein the nozzle further comprises a washer sleeved onto the screw rod and located on the outer surface of the sealing film; the exterior screw member is abutted on the washer so as to be indirectly urged against the outer surface of the sealing film.3. The tire as claimed in claim 2 , wherein the washer is a ...

MULTI-CHAMBER TIRE

A multi-chamber tire, comprising an outer layer portion and an flexible ring body in an annular fashion; the outer layer portion is arranged on the external side of the flexible ring body; the flexible ring portion is provided with chambers arranged around the flexible ring portion; the chambers are provided with a plurality of partitioned gussets; each of the partitioned gussets is arranged around the flexible ring body and extends along the axial and radial directions, and the plurality of partitioned gussets are arranged around the flexible ring body alternately, dividing the chambers into a plurality of isolating chambers isolated from each other. 1. A multi-chamber tire comprising an outer layer portion and a flexible ring portion in an annular fashion; the outer layer portion is arranged on an external side of the flexible ring portion; the flexible ring portion is provided with a chamber arranged around the flexible ring portion; wherein the chamber is provided therein with a plurality of partitioned gussets; each of the partitioned gussets is arranged to extend along axial and radial directions of the flexible ring portion , and the plurality of partitioned gussets are arranged alternately around the flexible ring portion so as to divide the chamber into a plurality of isolating chambers isolated from each other.2. The multi-chamber tire of claim 1 , wherein the isolating chamber is provided therein with a circumferential stiffener; the circumferential stiffener is arranged to surround the circumferential direction of the flexible ring portion and extend along the circumferential direction of the flexible ring portion; two ends of the circumferential stiffener are respectively abutted against the inner wall of the isolating chamber.3. The multi-chamber tire of claim 2 , wherein the chamber is provided with a circumferential gusset; the circumferential gusset is arranged around the flexible ring portion and extends along the radial and circumferential ...

Bicycle and tire structure

A tire structure disposed at a rim is provided. The tire structure includes a tire body, a flexible sealing member and a nozzle. The tire body is ring-shaped and includes a groove and two beads. The flexible sealing member is connected to the tire body to form an inflating space with the groove, and the flexible sealing member includes a through hole. The nozzle is disposed at the flexible sealing member. The nozzle includes a base and a valve stem. The base includes a screw hole and is disposed at a far side of the flexible sealing member. The screw hole corresponds to the through hole. The valve stem includes a fastening end and an inflating channel. The fastening end is configured to insert into the screw hole, and the inflating channel is configured to allow the gas to pass therethrough.

TIRE MANUFACTURING METHOD AND TIRE

A tire manufacturing method including cure-molding a top rubber, which serves as the tread surface coming in contact with the road surface, cure-molding abase tire having abase rubber on its outer periphery to which the top rubber is bonded, and forming a tire by integrating the top rubber and the base tire together. The tire is characterized in that the loss tangent (tan δ) of the base rubber is smaller than the loss tangent (tan δ) of the top rubber, the 100% Mod of the base rubber is within a range of 60% to 85% of the 100% Mod of the top rubber, and the thickness of the base rubber is within a range of 10% to 30% of the total thickness of the tread on the tire. 1. A method for manufacturing a tire , comprising:cure-molding a top rubber to serve as a tread surface configured to contact with a road surface;cure-molding a base tire having a base rubber on an outer periphery thereof to which the top rubber is bonded; andforming a tire by integrating the top rubber and the base tire together,wherein a loss tangent (tan δ) of the base rubber is smaller than a loss tangent (tan δ) of the top rubber,100% Mod of the base rubber is within a range of 60% to 85% of 100% Mod of the top rubber, anda thickness of the base rubber is within a range of 10% to 30% of a total thickness of the tread on the tire.2. The method for manufacturing a tire according to claim 1 , wherein the 100% Mod of the base rubber is 1.6 MPa or above.3. The method for manufacturing a tire according to claim 1 , wherein the 100% Mod of the base rubber is within a range of 75% to 80% of the 100% Mod of the top rubber.4. The method for manufacturing a tire according to claim 2 , wherein the 100% Mod of the base rubber is within a range of 75% to 80% of the 100% Mod of the top rubber.5. The method for manufacturing a tire according to claim 1 , further comprising applying on the outer periphery of the base rubber a cushion rubber to serve as a bonding layer to which the top rubber is bonded claim 1 , ...

MACHINE-MADE REINFORCING FIBER RIM FOR A VEHICLE AND METHOD OF MANUFACTURING SAID RIM

A rim for a vehicle comprising a tire contact to which a clincher or a tubed tire may be fastened is disclosed. The tire contact includes a core wrapped by reinforcing thread so that the core is covered by a supporting layer formed by the reinforcing thread. The tire contact is covered at least on the radial inside by the cover layer formed of reinforcing thread so that a reinforcing ring is provided between the cover layer and the tire contact. Methods of manufacturing fiber composite rims are also disclosed. A core is wrapped with a reinforcing thread to deposit a supporting layer on the core and to form a tire contact. The tire contact is arranged adjacent an aerodynamics enhancing component and a reinforcing ring. The tire contact, the aerodynamics enhancing component and the reinforcing ring are wrapped with one or more reinforcing thread(s) to form a cover layer. 1. A rim for a vehicle comprising a tire contact means which is prepared for fastening a clincher or a tubed tire , wherein the tire contact means includes a core which is wrapped by at least one reinforcing thread so that the core is covered by at least one supporting layer formed by the reinforcing thread ,characterized in that the tire contact means is covered at least on the radial inside by a cover layer formed of at least one reinforcing thread so that a reinforcing ring is provided between the cover layer and the tire contact means.2. The rim according to claim 1 , characterized in that the reinforcing thread includes a carbon fiber thread claim 1 , aramid fiber thread and/or glass fiber thread or is formed by the same.3. The rim according to claim 1 , characterized in that on a radial inside of the cover layer claim 1 , holes for receiving spokes are provided which completely or partly penetrate also the reinforcing ring.45. The rim according to claim 1 , characterized in that an aerodynamics enhancing component is provided between the cover layer and the supporting layer ().5. The rim ...

Pneumatic Tire

In a pneumatic tire that includes strip members which extends in a tire circumferential direction, both ends thereof reaching each bead portion, a belt layer is disposed in a tread portion on an outer side in a tire radial direction of the strip members. The strip members are divided in the tire width direction, and the divided strip members have joints that join together in the tire circumferential direction. Relative positions of the joints are disposed deviated by not less than 20° in the tire circumferential direction within a region between an edge of a maximum width in the tire width direction of the belt layer and a maximum tire width position. 1. A pneumatic tire comprising:a strip member, which extends in a tire circumferential direction, both ends thereof in a tire width direction reaching each bead portion; anda belt layer disposed in a tread portion on an outer side in a tire radial direction of the strip member;the strip member being divided in the tire width direction;the divided strip members having joints that join together in the tire circumferential direction;relative positions of the joints being disposed deviated by not less than 20° in the tire circumferential direction within a region between an edge of a maximum width in the tire width direction of the belt layer and a maximum tire width position.2. The pneumatic tire according to claim 1 , wherein the strip member is at least one selected from a carcass layer having both ends thereof in the tire width direction folded around the each bead portion claim 1 , or an inner liner layer that is applied to a tire inner surface.3. The pneumatic tire according to claim 2 , wherein upon the strip members comprising the carcass layer and the inner liner layer claim 2 , the relative positions of the joints of the carcass layer and the inner liner layer that are opposite each other in the tire width direction are disposed deviated by not less than 20° in the tire circumferential direction within the region ...

Pneumatic Tire

A pneumatic tire comprises a carcass layer, a belt layer disposed on the outer side in the tire radial direction of the carcass layer, and tread rubber disposed on the outer side in the tire radial direction of the belt layer. The belt layer is formed by laminating a pair of cross belts having belt angles with an absolute value from 10° to 45° both inclusive and mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° relative to the tire circumferential direction. The distance (Gcc) from the tread profile to the tire inner circumferential surface along the tire equatorial plane and the distance (Gsh) from the tread edge to the tire inner circumferential surface have a relationship satisfying 1.10≦Gsh/Gcc. The groove depth (Dsh) and under-groove gauge (UDsh) of the outermost circumferential main groove have a relationship satisfying 0.20≦UDsh/Dsh. 1. A pneumatic tire comprising:a carcass layer;a belt layer disposed on an outer side in a tire radial direction of the carcass layer;a tread rubber disposed on an outer side in a tire radial direction of the belt layer;at least three circumferential main grooves extending in a tire circumferential direction; anda plurality of land portions defined by the circumferential main grooves;left and right circumferential main grooves on an outermost side in a tire width direction are outermost circumferential main grooves, and left and right land portions on an outer side in a tire width direction that are defined by the outermost circumferential main grooves are shoulder land portions,the belt layer being formed by laminating a pair of cross belts having a belt angle with an absolute value from 10° to 45° both inclusive and mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° relative to the tire circumferential direction;a distance Gcc from a tread profile to a tire inner circumferential surface along a tire equatorial plane ...

PNEUMATIC TIRE AND PRODUCTION METHOD THEREFOR

A pneumatic tire to reduce separation of a carcass ply from inner and outer core pieces () and improve steering stability. A radially inner end portion of the carcass ply is held between the inner and outer core pieces () without turning-up around a bead core. The inner and outer core pieces () are made of helical body of bead cord () helically winding around a tire axis. In the inner core piece (), the final twisting direction of the bead cord () is the same as the winding direction around the tire axis of the bead cord () in side view from axial outward of the tire. In the outer core piece (), the final twisting direction of the bead cord () is opposite to the winding direction of the bead cord (). 1. A pneumatic tire comprising a carcass comprising a carcass ply extending from a tread portion through a sidewall portion to a bead core of a bead portion; whereinthe bead core is made of an axially inner and outer core pieces, and radially inner end portion of the carcass ply is held between the inner and outer core pieces without turning-up around the bead core;the inner and outer core pieces are formed of a helical body by helically winding a bead cord made of a plurality of twisted steal wires around a tire axis from radially inward to outward; andin the inner core piece, the final twisting direction of the bead cord is the same as the winding direction of the bead cord around the tire axis in a side view from an axial outward of the tire, and in the outer core piece, the final twisting direction of the bead cord is opposite to the winding direction of the bead cord around the tire axis in the side view from the axial outward of the tire.2. The pneumatic tire as set forth in claim 1 , wherein the winding direction of the bead cord around the tire axis in the inner core piece is the same as the winding direction of the bead cord around the tire axis in the outer core piece.3. The pneumatic tire as set forth in claim 1 , wherein the carcass ply has a carcass cord of ...

ANTI-ROLL OFF ASSEMBLY AND SYSTEM INCLUDING SAME

A system. The system includes a one-piece wheel, a tire mounted to the wheel, and an antiroll off assembly. The wheel defines an axis of rotation and includes a disc portion which defines a central opening, and a rim portion which is connected to the disc portion and defines first and second flange portions, first and second seat portions and a well portion. The anti-roll off assembly is positioned in the well portion and includes a band, a plurality of filler assemblies connected to the band and a coupler assembly configured to adjust a tension force applied to the band. The coupler assembly includes a first trunnion in contact with the band and having a first threaded opening, a second trunnion in contact with the band and having a second threaded opening, and a threaded member threadedly engaged with the first threaded opening and the second threaded opening. 1. A system , comprising: a disc portion which defines a central opening; and', first and second flange portions;', 'first and second seat portions; and', 'a well portion;, 'a rim portion connected to the disc portion, wherein the rim portion defines], 'a one-piece wheel, wherein the wheel defines an axis of rotation and comprisesa tire mounted to the wheel; and a band;', 'a plurality of filler assemblies connected to the band; and', a first trunnion in contact with the band and having a first threaded opening;', 'a second trunnion in contact with the band and having a second threaded opening; and', 'a threaded member comprising a first end threadedly engaged with the first threaded opening and a second end threadedly engaged with the second threaded opening., 'a coupler assembly configured to adjust a tension force applied to the band, wherein the coupler assembly comprises], 'an anti-roll off assembly positioned in the well portion, wherein the anti-roll off assembly comprises2. The system of claim 1 , wherein the band defines a plurality of slots along a length of the band.3. The system of claim 2 , ...

ASSEMBLY FOR A TIRE COMPRISING A THREE-DIMENSIONAL FABRIC OR KNIT AND A SECURING ELEMENT

An assembly () comprises: a first structure () formed by first filamentary elements (), a second structure () formed by second filamentary elements (), a supporting structure () comprising supporting filamentary elements linking the first filamentary elements () and the second filamentary elements (), and at least one filamentary securing element () interlaced with the first filamentary elements () and the second filamentary elements (), one of the ends () of the securing element () being free to slip relative to the first and second filamentary elements (). 115.-. (canceled)16. An assembly comprising:a first structure formed by first filamentary elements, the first structure having a longitudinal edge extending in a first direction which defines a first axis;a second structure formed by second filamentary elements, the second structure having a longitudinal edge extending in a second direction which defines a second axis; and{'b': '12', 'a supporting structure comprising supporting filamentary elements linking the first filamentary elements of the first structure and the second filamentary elements of the second structure (),'}wherein the assembly further comprises at least one filamentary securing element interlaced with the first filamentary elements and the second filamentary elements, the at least one securing element having a first end and a second end, and at least one of the first and the second ends of the at least one securing element being free to slip relative to the first and second filamentary elements, andwherein the first axis and the second axis are parallel.17. The assembly according to claim 16 , wherein the at least one securing element is arranged so that claim 16 , when the first structure and the second structure are separated from one another claim 16 , at least one of the first end and the second end of the at least one securing element slips relative to the first and second filamentary elements.18. The assembly according to claim 16 , ...

Method for Manufacturing Pneumatic Tire

A pneumatic tire is formed by winding a sheet member (A) and a sheet member (B) onto a molding drum and molding a cylindrical body. A laminate body (M) in which the sheet member (B) is layered in advance on the outer periphery of the sheet member (A) is wound onto a molding drum (), the tack value of a material (a) constituting the sheet member (A) being smaller than the tack value of a material (b) constituting the sheet member (B), the length of the sheet member (A) being configured so that a starting end (As) of winding on the molding drum () and an ending end (Ae) of winding do not overlap, and the length of the sheet member (B) being configured so that the ending end (Be) of winding extends longer in the circumferential direction than the ending end (Ae) of winding of the sheet member (A). 1. A method for manufacturing a pneumatic tire having a step for winding a sheet member (A) and a sheet member (B) onto a molding drum and molding a cylindrical body , the method comprising the steps of:combining the sheet member (A) with the sheet member (B) so that a tack value of a material (a) constituting the sheet member (A) is smaller than a tack value of a material (b) constituting the sheet member (B);winding, on the molding drum, a laminate body obtained by layering in advance the sheet member (B) on an outer periphery of the sheet member (A);configuring a length of the sheet member (A) so that a starting end of winding of the sheet member (A) does not overlap with an ending end of winding of the sheet member (A) on the molding drum; andconfiguring a length of the sheet member (B) so that at least an ending end of winding of the sheet member (B) extends longer in a circumferential direction than the ending end of winding of the sheet member (A),wherein the ending end of winding of the sheet member (B) is overlapped with and joined on an outer diameter side of a starting end of winding of the sheet member (B).2. The method for manufacturing a pneumatic tire according ...

Wheel resonator for vehicle

A wheel resonator for a vehicle may include a resonant plate which has an annular structure that is wound around a rim portion of a wheel while maintaining predetermined tension, has resonant holes formed at predetermined intervals in a circumferential direction, and forms a resonant chamber together with a surface of the rim portion, and sealing plates formed integrally with both end portions of the resonant plate, and tightly attached to and supported on an inner wall surface of the rim portion.

Pneumatic tire without inner tube and unsupported by sidewall

Disclosed is a pneumatic tire without inner tube and unsupported by sidewall, wherein a wear-resistant layer or a wear-resistant lubrication layer is disposed at an inner surface rubber layer of a tire outer side, or disposed at an inner surface rubber layer of the tire outer side and a tire inner side. The wear-resistant layer is located at at least one of the following three portions: a tire bead, a tire sidewall, and a tire shoulder. After the tire, which is zero-pressure tire, goes flat, two surfaces of the inner surface rubber layer come into contact with each other, wherein the wear-resistant layer provided at the contact position can improve wear resistance and increase tire mileage and speed limitations.

VEHICLE WHEEL

A vehicle wheel includes: a well portion having an outer peripheral surface on which a vertical wall extending in a circumferential direction of the vehicle wheel is formed; and a Helmholtz resonator attached to a side surface of the vertical wall and to the outer peripheral surface of the well portion with an adhesive. 1. A vehicle wheel comprising:a well portion having an outer peripheral surface on which a vertical wall is formed, the vertical wall extending in a circumferential direction of the vehicle wheel; anda Helmholtz resonator attached to a side surface of the vertical wall and to the outer peripheral surface of the well portion with an adhesive.2. The vehicle wheel according to claim 1 ,wherein the Helmholtz resonator includes:a bottom portion located on the outer peripheral surface of the well portion;a top portion that defines, together with the bottom portion, a sub-air chamber therebetween; andbridges connecting between the bottom portion and the top portion, andwherein the bridges are arranged in a single line in the circumferential direction.3. The vehicle wheel according to claim 1 ,wherein a film thickness of the adhesive on the side surface of the vertical wall is smaller than a film thickness of the adhesive on the outer peripheral surface of the well portion.4. The vehicle wheel according to claim 1 ,wherein at least one of the outer peripheral surface of the well portion, the side surface of the vertical wall, and a surface of the Helmholtz resonator joined with the adhesive to the outer peripheral surface or the side surface is laser-etched.5. The vehicle wheel according to claim 1 ,wherein a flat adhesion member is disposed on an outer peripheral surface side of the Helmholtz resonator. The present application claims priority under 35 U.S.C. § 119 to Japanese Patent Application No. 2018-043400, filed on March, 9, the contents of which are hereby incorporated by reference in their entirety.The present invention relates to a vehicle wheel. ...

Adapter For A Wheel Assembly And A Wheel Assembly Comprising Same

Adapter providing the connection between one tire bead and the rim. An axially inner end of the adapter is mounted on the rim seat, an axially outer end is mounted on the rim seat, a body connects said outer end to said inner end, a substantially cylindrical adapter seat receives one of said beads, and an adapter bearing face is substantially contained in a plane perpendicular to the axis. The reinforcer element of the axially outer end is entirely situated axially outside the bearing face. The body comprises, opposite the adapter seat, an annular seat protuberance, said protuberance comprising at least one rubber composition.

TYRE CAVITY NOISE ABSORBER

A tyre cavity noise absorber comprising a body 1 of sound absorbing material with an outer protective cover 3. The body of sound absorbing material is intended to be mounted to a wheel 2 of a wheel and tyre 6 assembly so that a surface of the body is exposed in a tyre cavity of the wheel and tyre assembly. The outer protective cover only partially covers said surface of the body of sound absorbing material such that the cover protects the body of sound absorbing material from a bead 7 of a tyre as a tyre is fitted to, or removed from, the wheel and the uncovered parts of the body of sound absorbing material are free to absorb sound. 1. A tyre cavity noise absorber comprising:a body of sound absorbing material, wherein a surface of the body of sound absorbing material is provided with an outer protective cover formed from spaced apart strips which, together, only partially cover said surface of the body of sound absorbing material and the uncovered parts of the body of sound absorbing material are free to absorb sound.2. A tyre cavity noise absorber as claimed in claim 1 , wherein the outer protective cover covers between 30% and 60% of said surface of the body of sound absorbing material.3. A tyre cavity noise absorber as claimed in claim 1 , wherein the outer protective cover covers about 50% of said surface of the body of sound absorbing material.4. A tyre cavity noise absorber as claimed in wherein at least part of the outer protective cover extends from one lateral edge of said surface of the body of sound absorbing material to an opposite lateral edge of said surface of the body of sound absorbing material.5. A tyre cavity noise absorber as claimed in wherein each lateral edge of the surface is intended to lie adjacent claim 4 , or abut claim 4 , the surface of a wheel to which the body of sound absorbing material is intended to be mounted.6. A tyre cavity noise absorber as claimed in wherein at least one strip extends from one lateral edge of said surface of ...

PNEUMATIC TIRE

Provided is a pneumatic tire having sufficient sealing performance. The present invention relates to a pneumatic tire including a sealant layer located radially inside an innerliner, the sealant layer being formed by applying a sealant to the inner periphery of a tire from which mold release agents have been removed. 1. A pneumatic tire , comprisinga sealant layer located radially inside an innerliner, the sealant layer being formed by applying a sealant to an inner periphery of a tire from which mold release agents have been removed.2. The pneumatic tire according to claim 1 ,wherein the sealant layer is formed by continuously and spirally applying a generally string-shaped sealant to an inner periphery of a tire from which mold release agents have been removed, in a tire width direction from one side to the other.3. The pneumatic tire according to claim 1 ,wherein a surface of the inner periphery of a tire is scraped.4. The pneumatic tire according to claim 1 ,wherein the sealant is applied to an entire area of the inner periphery of a tire from which mold release agents have been removed.5. The pneumatic tire according to claim 4 , {'br': None, '0 mm<(the length of the sealant layer in a tire width direction)−(the length in the tire width direction of the area from which mold release agents have been removed)≦16.0 mm.'}, 'wherein a length of the sealant layer in a tire width direction and a length in the tire width direction of the area of the inner periphery of a tire from which mold release agents have been removed satisfy the following formula6. The pneumatic tire according to claim 1 , {'br': None, '0 mm≦(the length in a tire width direction of an area of the sealant layer formed by applying a sealant to an inner periphery of a tire from which mold release agents have been removed)−(the length of a breaker in the tire width direction)≦8.0 mm.'}, 'wherein a length in a tire width direction of an area of the sealant layer formed by applying a sealant to an ...

APPARATUS FOR NOISE REDUCTION OF TIRE OF VEHICLE

An apparatus for noise reduction of a tire reduces noise within a particular frequency range generated in the tire during operation of a vehicle. The apparatus includes a housing mounted on a wheel rim, the tire being fitted over the wheel rim, and the housing having an inner space; a resonant cover provided in the inner space of the housing; and a resonance hole formed in the resonant cover to allow the inner space of the housing and an inside of the tire to communicate with each other so that the resonant cover controls pulsation via air entering and exiting through the resonance hole. 1. An apparatus for noise reduction of a tire , the apparatus comprising:a housing mounted on an outer circumferential surface of a wheel rim, the tire being fitted over the wheel rim, and the housing having an inner space and formed so as to be open at an upper part of the housing;a resonant cover provided in the inner space of the housing and configured to close the upper part of the housing; anda resonance hole formed in the resonant cover to allow the inner space of the housing and an inside of the tire to communicate with each other so that the resonant cover controls pulsation via air entering and exiting through the resonance hole,wherein the housing has guide threads formed on an inner circumferential surface of the housing, and the resonant cover has corresponding threads formed on an outer circumferential surface of the resonant cover so as to correspond to the guide threads, and a lower plate formed in a shape of a plate so as to close the inner space of the housing;', 'an upper plate combined with the lower plate and arranged by being spaced apart upward from the lower plate at a predetermined distance, the upper plate having a through hole formed through a center of the upper plate; and', 'a height adjustment device including: a bolt unit rotatably combined with the lower plate and exposed outside an upper surface of the upper plate through the through hole of the upper ...

FLAT TIRE SAFETY INSERT

A flat tire safety system, having: (a) a pair of elongated semicircular members dimensioned to wrap around a tire rim and be positioned within a tire; and (b) a pair of clamping assemblies, each clamping assembly securing an end of the first elongated semicircular member to the end of the second elongated semicircular member, wherein each clamping assembly has: (i) a housing, (ii) a double-headed bolt passing through the housing, (iii) a tightening bolt mounted in the housing, wherein rotating the tightening bolt turns the double-headed bolt, (iv) a ratchet on the housing for permitting the tightening bolt to rotate in a tightening direction and preventing the tightening bolt from rotating in a loosening direction, (v) a release on the housing for selectively permitting the tightening bolt to rotate in the loosening direction, and (c) a pair of anchors, wherein each anchor is embedded in the end of one of the elongated semicircular members, and wherein one end of the double-headed bolt passes through each of the anchors. 1. A flat tire safety system , comprising:a pair of elongated semicircular members dimensioned to wrap around a tire rim and be positioned within a tire; and a housing,', 'a double-headed bolt passing through the housing,', 'a tightening bolt mounted in the housing, wherein rotating the tightening bolt turns the double-headed bolt,', 'a ratchet on the housing for permitting the tightening bolt to rotate in a tightening direction and preventing the tightening bolt from rotating in a loosening direction,', 'a release on the housing for selectively permitting the tightening bolt to rotate in the loosening direction, and', 'a pair of anchors, wherein each anchor is embedded in the end of one of the elongated semicircular members, and wherein one end of the double-headed bolt passes through each of the anchors., 'a pair of clamping assemblies, each clamping assembly securing an end of the first elongated semicircular member to the end of the second ...

Improved Running Assembly

A running set comprising: a tire () comprising two beads (); a mounting rim () of which the width is greater than or equal to 55% and less than or equal to 80% of the maximum axial width of the tire inflated to its service pressure; and at least one adapter () which provides the connection between the mounting rim and a bead of the tire. 1. A running set comprising:a tire comprising two beads;a mounting rim of which the width is greater than or equal to 55% and less than or equal to 80% of the maximum axial width of the tire inflated to its service pressure; and an adapter bead via which the adapter catches on the mounting rim;', 'a housing intended to accept the bead of the tire, the housing comprising a housing reinforcement; and', 'a connecting body connecting the adapter bead and the housing, the connecting body comprising a main reinforcing reinforcer., 'at least one adapter which provides the connection between the mounting rim and a bead of the tire, said adapter comprising2. The running set according to claim 1 , comprising two adapters which provide the connection between the mounting rim and the two beads of the tire.3. The running set according to claim 1 , wherein the mounting rim has a mounting well facing towards the inside of the set claim 1 , the mounting well being extended axially on the outside by frustoconically tapered or flat seats claim 1 , the frustoconically tapered seats being themselves extended axially on the outside and radially towards the inside by rim flanges with bent over edges claim 1 , the rim accepting the beads of the adapter via the inside.4. The running set according to claim 1 , wherein the mounting rim comprises a flat rim bottom claim 1 , the rim bottom being claim 1 , on one axial side of the rim claim 1 , extended by a conically tapered seat which is itself extended by a rim flange or hoop claim 1 , the conically tapered seat and the rim flange being fixed on its axial side claim 1 , the rim bottom being claim 1 , on the ...

INFLATABLE TUBELESS TIRE

An inflatable tubeless tire includes a carcass, a bead at the lower edge of both sides of the carcass; a cladding layer, continuously covering the bead from the exterior to the interior of the carcass, and both ends of the cladding layer having an overlapped portion between each carcass and a tread and continuously extending to form an external covered portion for covering an area from the outer surface to the bead, and the portion of both sides of the cladding layer covering the interior of the carcass being an internal covered portion, and the uncovered position in the carcass being an elastic portion, and each inner surface in the carcass and the cladding layer jointly forming a gas chamber; at least a separator, partially disposed on a wall surface of the gas chamber for isolating each elastic portion and the inner surface without sticking to one another of the carcass; an air valve module, passing between each opening and the through hole, and having a film fixed to the elastic portion; and an extending part, passing through each film, the cladding layer and the separator; a screw, with an end screwed into the extending part; and the screw having an air valve part therein. 1. An inflatable tubeless tire , comprising:a carcass, with an U-shaped cross-section, and a bead disposed on the lower edge of both sides of the carcass respectively, an inner surface and an outer surface disposed at the interior and exterior of the carcass respectively, and a tread disposed at a predetermined position of the outer surface of the carcass;a cladding layer, continuously covering an area from the outer surface to the inner surface, and having an overlapped portion disposed within a predetermined range of both ends of the cladding layer, and the overlapped portion being disposed between each carcass and the tread and continuously extending to form an external covered portion for covering an area from the outer surface to the bead, and the positions of both sides of the cladding ...

ADAPTER FOR A ROLLING ASSEMBLY AND ROLLING ASSEMBLY COMPRISING SAME

An adapter for a rolling assembly having an axis of rotation (YY′) comprises an axially inner end connected to a rim, an axially outer end comprising an outer reinforcing element and intended to come into contact, via a substantially radial axially inner face, or bearing face, with a bead, a body connecting the axially outer end to the axially inner end so as to form a single piece, comprising at least one main reinforcement providing the connection between the outer reinforcing element and the inner reinforcing element, and comprising a substantially axial adapter seat intended to come into contact with a bead. The outer reinforcing element () is completely axially on the outside of the bearing face (), and the outer reinforcing element () is a substantially annular structure, referred to as a bead wire, of substantially polygonal section, comprising at least two first layers of composite and/or metallic material, and at least two second layers of rubber compound, the said first and second layers being arranged mutually parallel and in alternation with each other and parallel to the axis YY′. 16.-. (canceled)7. An adapter for a rolling assembly having an axis of rotation YY′ , the rolling assembly comprising a tire having two beads , and a rim having two rim bead seats , where , for each bead , the adapter provides the connection between the bead and the rim , the adapter comprising:an axially inner end connected to a rim;an axially outer end comprising an outer reinforcing element and intended to come into contact, via a substantially radial axially inner face, or bearing face, with a bead;a body connecting the axially outer end to the axially inner end, comprising at least one main reinforcement providing the connection between the outer reinforcing element and an inner reinforcing element, and comprising a substantially axial adapter seat intended to come into contact with a bead, the ends and body being arranged along an axial axis YY′,wherein the outer ...

VIBRATION SUPPRESSION TIRE

A vibration absorbed tire is provided which has a laminated structure that contains dilantant layer causing reaction rate differences in the cross-sectional direction and thus functions without impairing the motion characteristics of the tire even with only a single or a few very thin layers, whereby the tire is easy to manufacture and has reduced cost. The tire has the laminated structure, which includes the dilantant layer which is a layer where particles and a bonding material thereof are arranged to act as dilantant, and in which the particles are arranged so that the distribution density of the particles decreases toward the upper and the lower surface from the central part of the layer. 1. A tire comprising:a first layer; anda second layer laminated with the first layer to form a laminated structure, one of the first and second layers being a dilantant layer, whereinthe dilantant layer includes particles and a binder, the particles and binder being a dilantant, anda density distribution of the particles in the dilantant layer decreases falls toward an upper and a lower surface of the dilantant layer from a central region of the dilantant layer.2. The tire according to claim 1 , whereinthe laminated structure further comprises a binder layer with elasticity on an upper and/or a lower stratum of the dilantant layer, andthe binder layer bonds the dilantant layer to at last one other member to protect said dilantant layer. This application is a U.S. National Phase Application under 35 U.S.C. 371 of International Application No. PCT/JP2014/078991, filed on Oct. 30, 2014 and published in Japanese as WO/2016/067434 on May 6, 2016. The entire disclosures of the above applications are incorporated herein by reference.The present disclosure relates to a tire which has an absorbing structure to reduce vibration and improve the riding comfort of a vehicle, and a manufacturing method thereof.Tires of a vehicle will generate vibration when driving on a road. This vibration ...

RIM FOR A TIRE

A rim for a tire for means of displacement preferably for heavy loads at low-speed. The rim may include a main tubular body having a cylindrical surface extending between two lateral edges, a bead-seat having a greater diameter than the cylindrical surface of the tubular body and overlapped to it and at least a side-ring being overlapped to one of the lateral edges for the lateral containment of the tire. The rim may include compensating means interposed between the cylindrical surface of the tubular body and the bead-seat and in contact with them to realise a compensation in thickness. 1. A rim for a tire , comprising:a main tubular body extending around a rotation axis of the rim and having a cylindrical surface extending between two lateral edges and, in use, facing the tire;a bead-seat having a greater diameter than the cylindrical surface of the tubular body and overlapped to it; said bead-seat comprising an external portion with respect to a space occupied by the tire and an elongated portion extending inside the space occupied by the tire;characterised in that it comprises compensating means interposed between the elongated portion of the bead-seat and the cylindrical surface and in contact with them to compensate the differences in thickness present between the bead-seat and the tubular body;said compensating means comprising an annular element that surrounds the tubular body and a seat having an annular extension around the body and extending also along the direction parallel to the cylindrical surface for a preset length; said annular element being inserted in said seat and arranged in contact with the bead-seat and with the cylindrical surface; said annular element presenting one of its own surfaces facing inside the seat distanced by the bottom of said seat and said annular element projecting from the seat and sliding inside the seat, in a radial direction with respect to the body, towards the tubular body or towards the bead-seat such as, during use, ...

NOISE REDUCING TYRE

A pneumatic tyre comprising an inner surface of the tyre, wherein a sound absorbing device component is connected to the inner surface of the tyre. The sound absorbing device component comprises a panel with a plurality of perforations and two sidewall sections, the sidewall sections being distinct from the panel, wherein the sidewall sections are connected to the inner surface of the tyre and arranged opposite of each other and wherein the panel is borne by the sidewall sections, thereby positioning the panel at a distance from the inner surface of the tyre and defining an inner volume enclosed by the panel, the sidewall sections and the inner surface. Furthermore, ≥95 area-% of all perforations which permit access to the inner volume are located on the panel. 1. A pneumatic tyre comprising an inner surface of the tyre ,wherein a sound absorbing device component is connected to the inner surface of the tyre, whereinthe sound absorbing device component comprises a panel with a plurality of perforations and two sidewall sections, the sidewall sections being distinct from the panel,wherein the sidewall sections are connected to the inner surface of the tyre and arranged opposite of each other,wherein the panel is borne at least by the sidewall sections, thereby positioning the panel at a distance from the inner surface of the tyre and defining an inner volume enclosed by the panel, the sidewall sections and the inner surface andwherein ≥95 area-% of all perforations which permit access to the inner volume are located on the panel.2. The tyre according to claim 1 , wherein the sidewalls do not comprise perforations to the inner volume of the sound absorbing device component.3. The tyre according to claim 1 , wherein the inner volume is void.4. The tyre according to claim 1 , wherein the inner volume comprises a polymeric foam.5. The tyre according to claim 4 , wherein the foam is an open-cell foam.6. The tyre according to claim 1 , wherein the panel comprises an ...

INFLATION SYSTEM FOR TUBELESS TIRES

An inflation system for tubeless bicycle tires may include a valve, a sealant canister, a pump head, and/or a valve core adapter. The valve, sealant canister, and pump head may collectively facilitate sealant injection into a tire by a user. The valve has an external valve seat, and includes a valve body, a valve stem extending through the length of the valve body, and a retaining mechanism for the valve stem disposed interior to the valve body. The valve stem is configured to move relative to the valve body, such that a resilient seating surface disposed at a proximal end of the valve stem is displaced relative to a valve seat formed by an exterior surface of a proximal end of the valve body. 1. An inflation valve for a tubeless tire , the valve comprising:a valve body having a proximal end and an open distal end, and defining an internal cavity; anda valve stem extending continuously through the internal cavity, such that a threaded end of the valve stem protrudes beyond the open distal end of the valve body;wherein the proximal end of the valve body comprises a valve seat having an outer diameter larger than an inner diameter of the valve body, and a corresponding proximal end of the valve stem includes a resilient seating surface; and (a) a closed position, in which the resilient seating surface mates with the valve seat and seals the proximal end of the valve body, and the threaded end of the valve stem extends beyond the distal end of the valve body by a first distance, and', '(b) an open position, in which the resilient seating surface is spaced from the valve seat, and the threaded end of the valve stem extends beyond the distal end of the valve body by a second distance less than the first distance., 'wherein the valve is configured to be transitionable between2. The inflation valve of claim 1 , further comprising:a removable cap having internal threads configured to mate with the threaded end of the valve stem and a side wall configured to cover an end ...

ALUMINUM WHEEL FOR VEHICLE

Disclosed is an aluminum wheel for a vehicle, in which a resonance tube is coupled to a rim of the wheel, wherein a first surface of the resonance tube is fitted into a well groove formed in a well of the rim, and a second surface of the resonance tube comes into contact with the rim by a pressure member including a steel wire and a fixing member. 1. An aluminum wheel for a vehicle , in which a resonance tube is coupled to a rim in a circumferential direction of the rim , whereina first surface of the resonance tube is fitted into a well groove formed in a well of the rim; anda second surface of the resonance tube comes into contact with the rim by a pressure member configured to force the second surface of the resonance tube toward the rim.2. The aluminum wheel according to claim 1 , wherein the pressure member includes a steel wire with which the second surface of the resonance tube is fixedly wound a plurality of times in the circumferential direction of the rim.3. The aluminum wheel according to claim 1 , wherein the pressure member includes:a steel wire with which the second surface of the resonance tube is fixedly wound a plurality of times in the circumferential direction of the rim; anda fixing member configured to fix first and second end portions of the steel wire to prevent unwinding of the wound steel wire.4. The aluminum wheel according to claim 3 , whereinthe second surface of the resonance tube is formed with a concave groove; andthe steel wire is wound about the second surface of the resonance tube, the steel wire inserted into the concave groove.5. The aluminum wheel according to claim 4 , whereinthe resonance tube includes a plastic; andthe fixing member is a coagulation generated by welding the second surface of the plastic resonance tube with ultrasonic waves.6. The aluminum wheel according to claim 5 , wherein the fixing member is coupled to the resonance tube and the fixing member fills the concave groove.7. The aluminum wheel according to ...

Adapter For Rolling Assembly And Rolling Assembly Comprising Same

Adapter for a tire having two beads (B) and a rim (J) placed between one of the beads and the rim, the rim having two rim seats (). The adapter has an axially inner end () mounted on rim seat () and comprises inner reinforcer element (). Axially outer end () is mounted on rim seat (), and comprises outer reinforcer element (), body () that connects outer end () to inner end () so as to form a single piece. A substantially cylindrical adapter seat receives one of the beads (B). Adapter bearing face () is substantially contained in a plane perpendicular to the axis. Outer reinforcer element () is wholly positioned axially on the outside of bearing face (). Body () comprises at least one isotropic material () selected from polyurethane, nylon, polyethylene terephthalate, polybutadiene terephthalate, silicones.

TIRE, TIRE MANUFACTURING APPARATUS, AND TIRE MANUFACTURING METHOD

A tire frame member is formed by aligning a pair of tire frame halves A, each including a bead portion , a side section , and a half-width crown half section A, with each other at the end faces of the crown half sections A. The tire radial direction inner side face of the crown half sections A includes an engagement section that engages with the outer face of a tire support member supporting the pair of tire frame halves A from the tire radial direction inner side, and restricts movement of the tire frame halves A. 1. A tire comprising:a tire frame member that is configured from a pair of tire frame halves, each configured using a resin material and including a bead portion, a side section, and a half-width crown half section, the tire frame halves being aligned with each other and joined together at leading ends of the crown half sections; andan engagement section that is formed on a tire radial direction inner side face of each of the crown half sections, further to a tire width direction outer side than a joining portion between the crown half sections, and that engages with an outer face of a support jig that supports the pair of tire frame halves from the tire radial direction inner side during joining so as to restrict movement in a tire width direction with respect to the support jig.2. The tire of claim 1 , wherein the engagement section is protrusion shaped so as to project from the tire radial direction inner side face of the crown half section.3. The tire of claim 1 , wherein the engagement section is formed along a tire circumferential direction.4. The tire of claim 3 , wherein the engagement section is formed along an entire circumference in the tire circumferential direction.5. The tire of claim 3 , wherein the engagement section is segmented into a plurality of segments in the tire circumferential direction claim 3 , which are disposed irregularly in the tire circumferential direction.6. A tire manufacturing apparatus comprising:a plurality of arm ...

Quick Assembly Bicycle Inner Tube

A quick assembly bicycle inner tube comprising a cylindrical hollow body strip with two distal ends, an air valve, and end coverings formed of round cup shaped bodies, each end covering integral to a distal end of the tube. Each end covering has a closed head, where a first end covering is formed with a protrusion or convex head; and a second end covering is formed with a matching recess or concave head. When inflated in a tire, the protrusion at the first distal end sits flush against the recess of the second distal end. The bicycle inner tube and method of installing the inner tube, eliminates the need for tools to disassemble the wheel set, allowing the user to manually remove and replace the inner tube without removing the wheel set from the bicycle. The inner tube is further easily folded into a flat shape to facilitate easy portability. 1. A quick assembly bicycle inner tube comprising:a cylindrical hollow main body having disjoined distal ends;a valve installed on the inner tube through the hollow main body;a first cylindrical closed end cover and a second cylindrical closed end cover, the first closed end cover integral to a first distal end of the tube and the second closed end cover integral to a second distal end of the tube, wherein each of the cylindrical closed end covers are formed of the same material as the hollow main body;a protrusion at the first cylindrical closed end cover that extends outward from the hollow main body; anda recess at the second cylindrical closed end cover that sinks into the hollow main body.2. The quick assembly bicycle inner tube of claim 1 , wherein an outermost diameter of each of the cylindrical closed end covers is joined to align longitudinally with an outer diameter of each distal end of the hollow main body.3. The quick assembly bicycle inner tube of claim 1 , wherein a first face at the first cylindrical closed end cover which surrounds the protrusion and a second face at the second cylindrical closed end cover ...

VEHICLE WHEEL

A vehicle wheel includes a Helmholtz resonator (sub-air chamber member) adhered on a rim, and the Helmholtz resonator (sub-air chamber member) includes a bottom plate and a side plate that rises from one edge of both edges of the bottom plate, and the bottom plate and the side plate are adhered on the rim. In the vehicle wheel, the Helmholtz resonator further includes an upper plate that is opposed to the bottom plate, and the upper plate is connected to the side plate at an opposite side of the one edge and inclined so as to come near the bottom plate at greater distances from the side plate. 1. A vehicle wheel comprisinga Helmholtz resonator adhered on a wheel, whereinthe Helmholtz resonator includes a bottom plate and a side plate that rises from one edge of both edges of the bottom plate, andthe bottom plate and the side plate are adhered on the wheel.2. The vehicle wheel according to claim 1 , whereinthe Helmholtz resonator further includes an upper plate that is opposed to the bottom plate, andthe upper plate is connected to the side plate at an opposite side of the one edge and inclined so as to come near the bottom plate at greater distances from the side plate.3. The vehicle wheel according to claim 1 , whereinthe Helmholtz resonator further includes a side plate that rises from the other edge of both edges of the bottom plate and is not adhered on the wheel, anda height from the bottom plate of the side plate not adhered on the wheel, of the respective side plates on both edges of the bottom plate, is set to be lower than a height from the bottom plate of the side plate adhered on the wheel.4. The vehicle wheel according to claim 1 , further comprisinga stopper member for the Helmholtz resonator, provided at a predetermined position on the wheel on the other edge side of both edges of the bottom plate.5. The vehicle wheel according to claim 4 , whereinthe stopper member is composed of a tire valve. This application is based upon and claims priority from ...

TUBELESS PNEUMATIC TIRES

A tubeless pneumatic tire. A first bead at one side of the tire has a greater rigidity and/or strength, or outer size; a first lip at the same side as the first bead is provided on a first bead seat away from a hub groove and a second lip at the same side as the second bead is provided on a second bead seat close to the hub groove. An outer side of the hub is adjacent to the hub groove, so that when a vehicle is stationary on a horizontal ground and the tire is flattened without gas support, the bears all or most of a load at a side away from the hub groove. Therefore, this application can prevent the second tire bead provided on the second bead seat adjacent to the hub groove from sliding into the hub groove once a puncture occurs during the high-speed driving, avoiding the traffic accidents caused by the loss of control of braking and steering. 1. A tubeless pneumatic tire , comprising: a first bead and a second bead;wherein a rigidity of the first bead is greater than a rigidity of the second bead, and/or a strength of the first bead is greater than a strength of the second bead;a first lip at the same side as the first bead is provided on a first bead seat away from a hub groove; anda second lip at the same side as the second bead is provided on a second bead seat close to the hub groove.2. The tubeless pneumatic tire of claim 1 , wherein when a vehicle is stationary on a level ground and the tubeless pneumatic tire is flattened without support by air pressure claim 1 , an inner surface of the first bead is attached to an inner surface of the tubeless pneumatic tire and the tubeless pneumatic tire at a side away from the hub groove bears all or most load.3. The tubeless pneumatic tire of claim 2 , wherein a load borne by the tubeless pneumatic tire at the side away from the hub groove is at least 1.1 times more than the tubeless pneumatic tire at a side close to the hub groove.4. The tubeless pneumatic tire of claim 1 , wherein the first bead is greater than the ...

WHEEL FOR VEHICLE

A wheel for a vehicle includes a plurality of Helmholtz resonators each including an auxiliary air chamber communicating with a tire air chamber through a communication hole. The Helmholtz resonators include one or more first Helmholtz resonators set to have a silencing characteristic for a first-order resonance frequency of air column resonance noise in the tire air chamber, and one or more second Helmholtz resonators set to have a silencing characteristic for a second-order or higher-order resonance frequency of the air column resonance noise. 1. A wheel for a vehicle , comprising a plurality of Helmholtz resonators each including an auxiliary air chamber communicating with a tire air chamber through a communication hole , wherein the Helmholtz resonators include one or more first Helmholtz resonators set to have a silencing characteristic for a first-order resonance frequency of air column resonance noise in the tire air chamber , and one or more second Helmholtz resonators set to have a silencing characteristic for a second-order or higher-order resonance frequency of the air column resonance noise.22. The wheel according to claim 1 , wherein claim 1 , assuming that the number of the Helmholtz resonators having a silencing characteristic for an a-th order resonance frequency of the air column resonance noise is b claim 1 , one of the b communication holes of the b Helmholtz resonators is a reference communication hole claim 1 , natural numbers c equal to or larger than and equal to or smaller than b are assigned to the communication holes other than the reference communication hole in a one-to-one relationship claim 1 , and n is any natural number claim 1 , an angle z between the reference communication hole and each of the communication holes other than the reference communication hole from the reference communication hole to one side in a circumferential direction of the wheel is a value expressed by z=−180(c−1)/ab+180n/a.3. The wheel according to claim 1 , ...

Rim with Recessed Channel and Rim Strip Apparatus and System

A rim for a vehicle wheel, the rim comprising: a circumferential tire bed surface, the tire bed surface comprising: a circumferential first bead seat and a circumferential second bead seat laterally spaced from said first bead seat, said first bead seat configured to support a first bead of a mating tire and said second bead seat configured to support a second bead of said mating tire; a circumferential rim well laterally positioned between said first bead seat and said second bead seat; wherein said rim well comprises a circumferential first step edge laterally inwardly offset from said first bead seat and a circumferential first spacer region laterally positioned between said first bead seat and said first step edge; at least a portion of said first spacer portion is radially inboard of said first bead; said first step edge extending radially inwardly from said first spacer region; wherein said first step edge is configured to provide for lateral alignment registration and/or visual alignment and placement of a first edge of a mating rim strip, said rim strip is a circumferential element that radially outwardly overlaps said rim well and extends laterally inwardly from said first edge.

Pneumatic tire producing method and tire forming drum used for the method

A method of producing a pneumatic tire having an inner liner layer made from thermoplastic elastomer. The method has a step of previously heating the surface of a tire forming drum; a step of disposing a tubular inner liner layer on the heated surface of the tire forming drum, the inner liner layer having an adhesive agent applied on its outer peripheral surface; a step of disposing a not-yet-vulcanized tire constituting member on the outer periphery side of the inner liner layer and forming a green tire; and a step of vulcanizing the green tire.

轮胎及轮胎的制造方法

本发明提供一种轮胎，在接合由热塑性材料形成的多个轮胎骨架构件而构成的轮胎中，充分地确保接合部分的强度。利用轮胎支承部(40)支承以彼此相对的方式抵接的由第1热塑性材料构成的2个轮胎半体(17A)，一边进行旋转一边自挤压机的喷嘴(46)朝向接合部位挤出熔融了的焊接用热塑性材料(43)，利用平整辊(48)按压焊接用热塑性材料(43)。由此，利用焊接用热塑性材料(43)焊接一个轮胎半体(17A)和另一个轮胎半体(17A)。由于轮胎半体(17A)自身不会熔解而接合，因此防止形成轮胎半体(17A)的热塑性材料老化，充分地确保接合部分的强度。

生胎的形状矫正方法和装置

一种生胎的形状矫正方法和装置，其被构造成使得，即使轮胎的各胎侧部(S)的一部分因临时保管而变形，该方法和装置也能够通过有效地矫正变形而容易地改善轮胎的均匀性。将压力流体供给到具有被一对上、下保持体(56、89)支撑的、共轴的胎圈部(B)的生胎(G)的内室、使生胎(G)的胎面部(T)的中心轴线与一对胎圈部(B)的中心轴线一致、以及使胎侧部(S)向外侧变形，来在胎侧部(S)中产生沿子午线方向的内部张力并矫正生胎(G)的形状。采用这种方式，能够以在硫化前恢复生胎的形状的方式有效地矫正因临时保管而在各胎侧部(S)的一部分中形成的变形。

Spoke rim

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Composition for tire carcass

본 발명은 타이어 카커스를 제조하는데 사용하기에 적합한 조성물을 제공한다. 본 조성물은 C 4 내지 C 7 이소모노올레핀과 p-알킬스티렌의 할로겐-함유 공중합체; 천연고무와 스티렌-부타디엔 공중합체의 블렌드와 같은 고무; 카본블랙; 및 가소제 오일을 포함한다. 또한, 이러한 조성물로 제조된 카커스를 포함하는 타이어도 제공된다. The present invention provides a composition suitable for use in making tire carcasses. The composition comprises a halogen-containing copolymer of C 4 to C 7 isomonoolefins with p-alkylstyrene; Rubbers such as blends of natural rubber and styrene-butadiene copolymers; Carbon black; And plasticizer oils. There is also provided a tire comprising a carcass made from such a composition.

Pneumatic tire

Pneumatic tire

METHOD AND INSTALLATION FOR ASSEMBLING UNVOLCANIZED TIRES FOR VEHICLE WHEELS

1. Способ сборки различных типов невулканизованных шин для колес транспортных средств для каждого размера шины, посредством использования элементарных полуфабрикатов, на сборочной установке, содержащей множество рабочих станций, при этом способ включает:a) сборку каркасного конструктивного элемента невулканизованной шины, содержащего, по меньшей мере, один слой каркаса и пару кольцевых фиксирующих конструктивных элементов;b) сборку коронного конструктивного элемента невулканизованной шины, содержащего, по меньшей мере, один брекерный конструктивный элемент и протекторный браслет;c) обеспечение на каждой из, по меньшей мере, двух рабочих станций, по меньшей мере, одного первого устройства (12) для подачи первого элементарного полуфабриката и одного второго устройства (12) для подачи второго элементарного полуфабриката, при этом, по меньшей мере, один первый и один второй элементарные полуфабрикаты отличаются друг от друга;d) сборку на каждой из, по меньшей мере, двух рабочих станций, по меньшей мере, одной части конструктивного компонента изготавливаемой шины, начиная с, по меньшей мере, одного из первого и второго элементарных полуфабрикатов.2. Способ по п.1, при котором сборка, по меньшей мере, одной части конструктивного компонента изготавливаемой шины из, по меньшей мере, одного из первого и второго элементарных полуфабрикатов, на каждой из, по меньшей мере, двух рабочих станций включает, по меньшей мере, одно из:наложения первой брекерной ленты;наложения второй брекерной ленты в месте, расположенном в радиальном направлении снаружи по отношению к первой брекерной ленте;наложения, по меньшей мере, одного пер РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК B29D 30/00 (13) 2012 131 154 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2012131154/04, 21.12.2010 (71) Заявитель(и): ПИРЕЛЛИ ТАЙР С.П.А. (IT) Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): МАНЧИНИ Джанни (IT) 22.12.2009 IT MI2009A002270; 23 ...

Tire for wheels of vehicles

FIELD: transport machine building. SUBSTANCE: tire for wheels of vehicles comprises tread band (2) having tread pattern, in which central zone (5) is defined, extending circumferentially and symmetrically on both sides of equatorial plane (X) of tire at width equal to approximately 60 % of effective width (L) of tread band, and first and second shoulder zones (6, 7), which extend from corresponding sides of central zone, opposite in axial direction. Tread band comprises a plurality of main grooves (10) extending from central area (5) through first or alternatively second shoulder zone (6, 7), to open on side edge (8, 9) of tread band, and at least one plurality of auxiliary grooves (20, 21), which extend substantially in direction along circumference between following one after another pairs of main grooves (10). Main grooves are located so that any radial plane (R S) intersects in central zone (5) with at least four main grooves (10). EFFECT: technical result is improvement of operating characteristics of tire when driving on snow, dry and wet surfaces of roads. 24 cl, 2 dwg, 1 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 721 429 C2 (51) МПК B60C 11/03 (2006.01) B60C 11/12 (2006.01) B60C 5/18 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B60C 11/03 (2019.08); B60C 11/12 (2019.08); B60C 5/18 (2019.08) (21)(22) Заявка: 2017142356, 16.05.2016 (24) Дата начала отсчета срока действия патента: Дата регистрации: (73) Патентообладатель(и): ПИРЕЛЛИ ТАЙР С.П.А. (IT) 19.05.2020 27.05.2015 IT 102015000018502 (43) Дата публикации заявки: 27.06.2019 Бюл. № 18 (56) Список документов, цитированных в отчете о поиске: US 2006151078 A1, 13.07.2006. DE 102011055916 A1, 06.06.2013. DE 102010060946 A1, 06.06.2012. EP 2463123 A1, 13.06.2012. JP 2013023191 A, 04.02.2013. (45) Опубликовано: 19.05.2020 Бюл. № 14 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 27.12.2017 2 7 2 1 4 2 9 Приоритет(ы): (30) ...

Wheel rim