Rubber hose for automotive fuel line
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United States of America Patent
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-
May 18, 1982
Issued Date -
N/A
app pub date -
Aug 30, 1979
filing date -
May 9, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An automotive fuel hose comprising a two-ply rubber tube covered with a reinforcing fiber layer and further with a protective rubber layer. The two-ply rubber tube is constituted of a very thin inner layer of a fluorine rubber resistant to fuel, even to sour gasoline, and an outer layer of a synthetic rubber, such as epichlorohydrin rubber or ethylene-acrylic rubber, which is less resistant to sour gasoline but is superior in cold resistance. Both the inner and outer layers are formed by extrusion, preferably simultaneously.
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