Flexible hose for liquefied gases

Pipes and tubular conduits – Flexible – Corrugated

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62 55, F16L 1111

Patent

active

044455437

ABSTRACT:
Flexible hose for liquefied gases, comprising a tubular body of biaxially oriented polypropylene film (2) arranged between an inner helically wound wire (3) and an outer helically wound wire (4), said wires being wound at the same pitch but having the windings displaced by half a pitch width from each other.

REFERENCES:
patent: 2176762 (1939-10-01), Forbes
patent: 3272373 (1966-09-01), Alleaume et al.
patent: 3300571 (1967-01-01), Downey et al.
patent: 3565118 (1971-02-01), Stearns
patent: 3795245 (1974-03-01), Allen, Jr. et al.
patent: 3956544 (1976-05-01), Harrington
patent: 4315408 (1982-02-01), Karl

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