Multi-layered hose

Details Multi-layered hose Multi-layered hose

1995-10-23

1997-09-09

Scherbel, David

Pipes and tubular conduits

Flexible

Distinct layers

138109, 138141, 138177, F16L 1112

Patent

active

056646089

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.

REFERENCES:
patent: 1924020 (1933-08-01), Bihet
patent: 2690901 (1954-10-01), McCormack
patent: 3500868 (1970-03-01), Hardt et al.
patent: 4014556 (1977-03-01), Anderson
patent: 4147185 (1979-04-01), Hines
patent: 4313629 (1982-02-01), Winterhalter
patent: 4603888 (1986-08-01), Goodall et al.
patent: 4775171 (1988-10-01), Marshall
patent: 4966202 (1990-10-01), Bryan et al.
patent: 4984831 (1991-01-01), Bengtsson

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