Multilayer hose for fuel, chemical and vapor transport
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United States of America Patent
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Issued Date -
Mar 6, 2008
app pub date -
Aug 30, 2006
filing date -
Aug 30, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tubular structure having reduced fuel permeation for use in fuel filler and fuel vent hose application, wherein the tubular structure comprises a nitrile or a chlorinated polyethylene inner layer, a tetrafluoroethylene-hexafluoropropylene-vinylidene fluoride terpolymer barrier layer on the nitrile or chlorinated polyethylene inner layer, and a chlorinated polyethylene outer cover layer, and a method of forming such tubular structures are described. The tubular structure optionally includes a chlorinated polyethylene backing layer, one or more polyamide adhesive layers, and a reinforcement layer.
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