Multi-layered fuel tubing

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United States of America Patent

PATENT NO 9528637
SERIAL NO

14989983

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Abstract

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The invention describes a flexible tubular article for transport of volatile hydrocarbons comprising: (a) an inner layer of a polyvinylidene difluoride (PVDF) polymer or a polyvinylidene difluoride copolymer; (b) an intermediate thermoplastic polyurethane (TPU) layer extruded in tubular form over the inner PVDF layer, and (c) a polyvinyl chloride polymer extruded in tubular form over the outside surface of the intermediate layer and being coextensive therewith. The tubular articles of the invention have a maximum permeation rating of 15 g/m2/day under SAE J1737 test conditions.

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Patent Owner(s)

  • SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Colton, Mark Fisher Rootstown, US 7 23
Garver, Wayne Edward Hudson, US 12 39

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