Hose for transport of refrigerant fluids and fuel oils

Details Hose for transport of refrigerant fluids and fuel oils Hose for transport of refrigerant fluids and fuel oils

1987-12-11

1989-11-21

Bryant, III, James E.

Pipes and tubular conduits

Flexible

Braided, interlaced, knitted or woven

138137, 138177, 138DIG7, 4284747, F16L 912

Patent

active

048815764

ABSTRACT:
A hose for refrigerant fluid or fuel oil service which comprises a core tube, a reinforcing layer and an outer cover, the core tube being of a composite structure having an inner plastic peripheral wall, an intermediate plastic peripheral wall and an outer rubbery peripheral wall. The inner and intermediate walls are formed of a selected class of polyamides and polyolefins, whereby the hose is rendered highly impermeable to fluid and moisture, greatly resistant to stress cracking and sufficiently flexible.

REFERENCES:
patent: 3561493 (1971-02-01), Maillard et al.
patent: 3584656 (1971-06-01), Assendelet et al.
patent: 3762986 (1973-10-01), Bhuta et al.
patent: 3805848 (1974-04-01), Chrow
patent: 4243074 (1981-01-01), Strutzel et al.
patent: 4510974 (1985-04-01), Natori et al.
patent: 4613532 (1986-09-01), Michel et al.
patent: 4633912 (1987-01-01), Pilkington et al.
patent: 4657285 (1987-04-01), Akiyama et al.

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