Automotive fuel hose

Details Automotive fuel hose Automotive fuel hose

2006-03-14

2006-03-14

Brinson, Patrick (Department: 3754)

Pipes and tubular conduits

Flexible

Distinct layers

C138S140000, C428S036910

Reexamination Certificate

active

07011114

ABSTRACT:
An automotive fuel hose having a three-layer structure excellent in sour-gasoline resistance and impact resistance. The automotive fuel hose includes a tubular inner layer in which fuel is adapted to flow; a low fuel permeability layer provided on an outer peripheral surface of the inner layer; and an outer layer provided on an outer peripheral surface of the low fuel permeability layer. The inner layer and the outer layer each including at least one of a polyolefin resin having a functional group and a polyamide resin and the low fuel permeability layer including a polyphenylene sulfide resin.

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