Air conditioning hose

Details Air conditioning hose Air conditioning hose

1986-06-02

1989-09-05

Cuchlinski, Jr., William A.

Pipes and tubular conduits

Flexible

Braided, interlaced, knitted or woven

138126, 138137, 138174, F16L 1112

Patent

active

048629235

ABSTRACT:
A hose for auomotive air-conditioning, transporting or otherwise handling refrigerants is disclosed which comprises an inner and an outer cover and a reinforcement disposed therebetween, the inner tube including an inner and an outer peripheral wall and a polyamide layer laminated therebetween. The inner and outer peripheral walls have a specified range of elasticity, and the polyamide layer has a specified thickness, whereby the hose is rendered highly resistant to heat, moisture-permeation and refrigerant-permeable, and flexible, and further free of damage from creeps or cracks from dynamic fatigue in the vicinity of metal fitting applied on the hose.

REFERENCES:
patent: 2564602 (1951-08-01), Hurst
patent: 2800145 (1957-07-01), Peierls et al.
patent: 2899982 (1959-08-01), Harpfer
patent: 3528260 (1970-09-01), Binder
patent: 3805848 (1974-04-01), Chrow
patent: 3828112 (1974-08-01), Johansen et al.
patent: 4111237 (1978-09-01), Mutzner et al.
patent: 4343333 (1982-08-01), Keister
patent: 4431031 (1984-02-01), Ettlinger
patent: 4510974 (1985-04-01), Natori et al.

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