Flexible composite hose

Details Flexible composite hose Flexible composite hose

1990-06-14

1991-01-08

Bryant, III, James E.

Pipes and tubular conduits

Flexible

Corrugated

138129, 138133, 138174, 428 349, 174 47, F16L 1108

Patent

active

049827650

ABSTRACT:
A flexible composite hose comprises an inner tube formed from a synthetic resin, an outer tube formed from a thermally shrinkable synthetic resin, having a relatively small wall thickness and carrying an adhesive on its inner peripheral surface, and a metal wire interposed spirally between the inner and outer tubes. The adhesive and the thermal shrinkage of the thermally shrinkable resin cause the inner peripheral surface of the outer tube to stick closely to the inner tube and the wire. The outer tube has a spirally corrugated outer peripheral surface defined by the wire.

REFERENCES:
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patent: 3023787 (1962-03-01), Phillips et al.
patent: 3091261 (1963-05-01), Waddell, Jr.
patent: 3152618 (1964-10-01), Rothermel et al.
patent: 3157543 (1964-11-01), Roberts et al.
patent: 3243211 (1966-03-01), Wetmore
patent: 3279502 (1966-10-01), Waddell, Jr.
patent: 3834423 (1974-09-01), Elson
patent: 4098298 (1978-07-01), Vohrer
patent: 4194081 (1986-03-01), Medford et al.
patent: 4578855 (1986-04-01), Hagen
patent: 4620569 (1986-11-01), Von Glanstatten et al.

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