Layered rubber hose with reinforcing

Details Layered rubber hose with reinforcing Layered rubber hose with reinforcing

1993-03-03

1997-08-26

Brinson, Patrick

Pipes and tubular conduits

Flexible

Braided, interlaced, knitted or woven

138124, 138137, F16L 1104

Patent

active

056602103

ABSTRACT:
A reinforced hose includes an inner tubular rubber layer, a cover layer made of rubber, and at least two reinforcing thread layers, including an upper thread layer and a lower thread layer, disposed between the inner tubular rubber layer and the cover layer. At least the lower thread layer includes a polyester thread having the following physical properties: a tensile strength of 8 grams or more per a unit denier, an elongation of 10.+-.1.5%, and a loaded elongation of 2.7.+-.1.0% per a unit denier under 3-gram load. With this construction, the reinforced hose satisfies the fatigue resistance and volume expansion requirements simultaneously.

REFERENCES:
patent: 3116760 (1964-01-01), Matthews
patent: 3159183 (1964-12-01), Brumbach
patent: 3245431 (1966-04-01), Coe
patent: 3605818 (1971-09-01), Balchan
patent: 3722550 (1973-03-01), Matthews
patent: 3750712 (1973-08-01), Brand
patent: 3905398 (1975-09-01), Johansen et al.
patent: 4273160 (1981-06-01), Lowles
patent: 4276908 (1981-07-01), Horne
patent: 4343333 (1982-08-01), Keister
patent: 4617213 (1986-10-01), Asano et al.
patent: 4734305 (1988-03-01), Sugimoto et al.
patent: 4898212 (1990-02-01), Searfoss et al.
patent: 4989422 (1991-02-01), Barlow et al.
patent: 4998565 (1991-03-01), Kokuryu et al.

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