Multi-layered hose
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United States of America Patent
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Oct 20, 1998
Issued Date -
N/A
app pub date -
Apr 1, 1997
filing date -
Sep 30, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
A multi-layered hose according to the present invention comprises a rubber outer layer and a resin or metal inner layer which is integrally formed at the inner periphery surface of the rubber outer layer. The thickness of the resin inner layer formed at the inner periphery surface of the edge portion is thinner than that of the resin inner layer formed at the inner periphery surface of a main portion of the hose. Therefore, when a mating pipe is inserted into the hose edge portion, the mating pipe is satisfactorily adhered to the inner surface of the hose edge portion, thereby obtaining excellent sealing.
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