Reinforced pressure hose

Details Reinforced pressure hose Reinforced pressure hose

1996-04-26

2000-09-05

Ferensic, Denise L.

Pipes and tubular conduits

Flexible

Braided, interlaced, knitted or woven

138126, 138153, F16L 1110

Patent

active

06112771&

ABSTRACT:
A reinforced pressure hose for use in boring or other construction work comprises a rubber core tube, a rubber cover tube or sheath and a plurality of reinforcing layers interposed therebetween and adapted for reinforcement against pressure imposed upon the core tube, reinforcement against tensile load and reinforcement further against wear of the hose. The tensile reinforcing or bearing layer is formed from a web of organic fibers knitted at a selected bias angle such that the hose can withstand increased tensile forces while retaining sufficient flexibility to facilitate bending as when it is taken up on a reel. The bias angle relationship between the various reinforcing layers is set so as to allow easy removal of the hose from a mandrel.

REFERENCES:
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patent: 4259991 (1981-04-01), Kutnyak
patent: 4273160 (1981-06-01), Lowles
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patent: 5110644 (1992-05-01), Sparks et al.
patent: 5244016 (1993-09-01), Kuroda et al.
patent: 5372163 (1994-12-01), Kokuryu et al.
patent: 5499661 (1996-03-01), Odru et al.
Patent Abstracts of Japan, vol. 94, No. 012, JP-A-06 34466 (Yokohama Rubber) (Abstract). Dec. 1994.

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