Method for manufacturing a plastic fuel tank with improved creep strength

A method for manufacturing a plastic fuel tank including: a) inserting a plastic parison including two distinct parts into an open two-cavity mold; b) inserting a core, bearing at least part of a reinforcing element configured to create a link between the two parison parts, inside the parison; c) pressing the parison firmly against the mold cavities, for example by blowing through the core and/or creating suction behind the cavities; d) fixing the part of the reinforcing element to at least one of the parison parts using the core; e) withdrawing the core; f) closing the mold, bringing its two cavities together to grip the two parison parts around their periphery to weld them together; g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mold cavities; and h) opening the mold and extracting the tank.

METHOD FOR MANUFACTURING A PLASTIC FUEL TANK WITH IMPROVED CREEP STRENGTH

A method for manufacturing a plastic fuel tank including: a) inserting a plastic parison including two distinct parts into an open two-cavity mold; b) inserting a core, bearing at least part of a reinforcing element configured to create a link between the two parison parts, inside the parison; c) pressing the parison firmly against the mold cavities, for example by blowing through the core and/or creating suction behind the cavities; d) fixing the part of the reinforcing element to at least one of the parison parts using the core; e) withdrawing the core; f) closing the mold, bringing its two cavities together to grip the two parison parts around their periphery to weld them together; g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mold cavities; and h) opening the mold and extracting the tank. 1. A method for manufacturing a plastic fuel tank with improved creep strength , comprising:a) inserting a plastic parison including two distinct parts into an open two-cavity mold;b) inserting a core inside the parison, the core bearing at least part of a reinforcing element configured to create a link between the two parts of the parison;c) closing the mold and pressing the parison firmly against the mold cavities, or blowing through the core and/or creating suction behind the cavities;d) fixing at least a part of the reinforcing element to at least one of the parts of the parison using the core while the mold is closed;e) opening the mold and withdrawing the core;f) closing the mold again, bringing its two cavities together so as to grip the two parts of the parison around their periphery to weld them together;g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mould mold cavities; andh) opening the mold and extracting the tankwherein the reinforcing element includes at least one rod,wherein the rod is ...

METHOD FOR MANUFACTURING A PLASTIC FUEL TANK WITH IMPROVED CREEP STRENGTH

A method for manufacturing a plastic fuel tank including: a) inserting a plastic parison including two distinct parts into an open two-cavity mold; b) inserting a core, bearing at least part of a reinforcing element configured to create a link between the two parison parts, inside the parison; c) pressing the parison firmly against the mold cavities, for example by blowing through the core and/or creating suction behind the cavities; d) fixing the part of the reinforcing element to at least one of the parison parts using the core; e) withdrawing the core; f) closing the mold, bringing its two cavities together to grip the two parison parts around their periphery to weld them together; g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mold cavities; and h) opening the mold and extracting the tank. 1. A method for manufacturing a plastic fuel tank with improved creep strength , comprising:a) inserting a plastic parison including a first part and a second part into an open two-cavity mold;b) inserting a core inside the parison, the core bearing at least part of a reinforcing element that is substantially rigid and configured to create a link between the two parts of the parison, the reinforcing element having a first end for coupling with said first part of the parison and a second end for coupling with said second part of the parison, the first and second ends of the reinforcing element being preheated beside the core;c) pressing the parison firmly against the mold cavities, or blowing through the core and/or creating suction behind the cavities;d) welding the first end of the reinforcing element to the first part of the parison using the core;e) withdrawing the core;f) closing the mold again, bringing its two cavities together so as to grip the first and second parts of the parison around their periphery to weld them together, and welding the second end of the reinforcing element ...

METHOD FOR MANUFACTURING A PLASTIC FUEL TANK WITH IMPROVED CREEP STRENGTH

A method for manufacturing a plastic fuel tank including: a) inserting a plastic parison including two distinct parts into an open two-cavity mold; b) inserting a core, bearing at least part of a reinforcing element configured to create a link between the two parison parts, inside the parison; c) pressing the parison firmly against the mold cavities, for example by blowing through the core and/or creating suction behind the cavities; d) fixing the part of the reinforcing element to at least one of the parison parts using the core; e) withdrawing the core; f) closing the mold, bringing its two cavities together to grip the two parison parts around their periphery to weld them together; g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mold cavities; and h) opening the mold and extracting the tank. 1a) inserting a plastic parison including a first part and a second part into an open two-cavity mold;b) inserting a core inside the parison, the core bearing at least part of a reinforcing element that is substantially rigid and configured to create a link between the two parts of the parison, the reinforcing element having a first end for coupling with said first part of the parison and a second end for coupling with said second part of the parison;c) pressing the parison firmly against the mold cavities, or blowing through the core and/or creating suction behind the cavities;d) welding the first end of the reinforcing element to the first part of the parison using the core;e) withdrawing the core;f) closing the mold again, bringing its two cavities together so as to grip the first and second parts of the parison around their periphery to weld them together, and welding the second end of the reinforcing element to the second part of the parison;g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mold ...

METHOD FOR MANUFACTURING A PLASTIC FUEL TANK WITH IMPROVED CREEP STRENGTH

A method for manufacturing a plastic fuel tank including: a) inserting a plastic parison including two distinct parts into an open two-cavity mold; b) inserting a core, bearing at least part of a reinforcing element configured to create a link between the two parison parts, inside the parison; c) pressing the parison firmly against the mold cavities, for example by blowing through the core and/or creating suction behind the cavities; d) fixing the part of the reinforcing element to at least one of the parison parts using the core; e) withdrawing the core; f) closing the mold, bringing its two cavities together to grip the two parison parts around their periphery to weld them together; g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mold cavities; and h) opening the mold and extracting the tank. 1a) inserting a plastic parison including a first part and a second part into an open two-cavity mold;b) inserting a core inside the parison, the core bearing at least part of a reinforcing element that is substantially rigid and configured to create a link between the two parts of the parison, the reinforcing element having a first end for coupling with said first part of the parison and a second end for coupling with said second part of the parison;c) pressing the parison firmly against the mold cavities, or blowing through the core and/or creating suction behind the cavities;d) welding the first end of the reinforcing element to the first part of the parison using the core;e) withdrawing the core;f) closing the mold again, bringing its two cavities together so as to grip the first and second parts of the parison around their periphery to weld them together, and welding the second end of the reinforcing element to the second part of the parison;g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mold ...

PROCESS FOR THE MANUFACTURE OF A PLASTIC FUEL TANK HAVING IMPROVED FLOWING RESISTANCE

A method for manufacturing a plastic fuel tank including: a) inserting a plastic parison including two distinct parts into an open two-cavity mold; b) inserting a core, bearing at least part of a reinforcing element configured to create a link between the two parison parts, inside the parison; c) pressing the parison firmly against the mold cavities, for example by blowing through the core and/or creating suction behind the cavities; d) fixing the part of the reinforcing element to at least one of the parison parts using the core; e) withdrawing the core; f) closing the mold, bringing its two cavities together to grip the two parison parts around their periphery to weld them together; g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mold cavities; and h) opening the mold and extracting the tank.

Core

method for manufacturing a creep-resistant plastic fuel tank

método para fabricar um tanque de combustível em plástico com resistência à fluência melhorada, e, tanque de combustível em plástico. método para fabricar um tanque de combustível em plástico com resistência à fluência melhorada, por meio de que: a) uma preforma em plástico incluindo duas partes distintas é inserida em um molde de duas cavidades abertas; b) um núcleo é inserido dentro da preforma, o dito núcleo suportando pelo menos parte de um elemento de reforço capaz de prender (criar uma ligação entre) as duas partes da preforma; c) a preforma é apertada firmemente contra as cavidades de molde (soprando pelo núcleo e/ou criando sucção atrás das cavidades); d) (a parte de) o elemento de reforço é fixado a pelo menos uma das partes da preforma usando o núcleo; e) o núcleo é retirado; f) o molde é fechado novamente, trazendo suas duas cavidades juntas de tal modo a apertar as duas partes da preforma ao redor de sua periferia a fim de soldá-las juntas; g) um fluido pressurizado é injetado no molde e/ou um vácuo é criado atrás das cavidades de molde a fim de apertar a preforma firmemente contra as cavidades de molde; h) o molde é aberto e o tanque é extraído. method for manufacturing a plastic fuel tank with improved creep resistance, and a plastic fuel tank. A method of manufacturing a plastic fuel tank with improved creep resistance whereby: a) a plastic preform including two distinct parts is inserted into a two open cavity mold; b) a core is inserted into the preform, said core supporting at least part of a reinforcement element capable of securing (bonding) the two parts of the preform; c) the preform is pressed tightly against the mold cavities (blowing through the core and / or creating suction behind the cavities); d) (part of) the reinforcing element is attached to at least one of the preform parts using the core; e) the core is removed; f) the mold is closed again, bringing its two cavities together in such a way as to tighten the two parts of the preform ...

Method for manufacturing a plastic fuel tank with improved creep strength

Method for manufacturing a plastic fuel tank with improved creep strength

A method for manufacturing a plastic fuel tank including: a) inserting a plastic parison including two distinct parts into an open two-cavity mold; b) inserting a core, bearing at least part of a reinforcing element configured to create a link between the two parison parts, inside the parison; c) pressing the parison firmly against the mold cavities, for example by blowing through the core and/or creating suction behind the cavities; d) fixing the part of the reinforcing element to at least one of the parison parts using the core; e) withdrawing the core; f) closing the mold, bringing its two cavities together to grip the two parison parts around their periphery to weld them together; g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mold cavities; and h) opening the mold and extracting the tank.

Method for manufacturing a plastic fuel tank with improved creep strength

A method for manufacturing a plastic fuel tank including: a) inserting a plastic parison including two distinct parts into an open two-cavity mold; b) inserting a core, bearing at least part of a reinforcing element configured to create a link between the two parison parts, inside the parison; c) pressing the parison firmly against the mold cavities, for example by blowing through the core and/or creating suction behind the cavities; d) fixing the part of the reinforcing element to at least one of the parison parts using the core; e) withdrawing the core; f) closing the mold, bringing its two cavities together to grip the two parison parts around their periphery to weld them together; g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mold cavities; and h) opening the mold and extracting the tank.

Method for manufacturing a plastic fuel tank with improved creep strength

A method for manufacturing a plastic fuel tank including: a) inserting a plastic parison including two distinct parts into an open two-cavity mold; b) inserting a core, bearing at least part of a reinforcing element configured to create a link between the two parison parts, inside the parison; c) pressing the parison firmly against the mold cavities, for example by blowing through the core and/or creating suction behind the cavities; d) fixing the part of the reinforcing element to at least one of the parison parts using the core; e) withdrawing the core; f) closing the mold, bringing its two cavities together to grip the two parison parts around their periphery to weld them together; g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mold cavities; and h) opening the mold and extracting the tank.