Reverse stranded conduit

Details Reverse stranded conduit Reverse stranded conduit

1990-01-22

1991-12-17

Bryant, III, James E.

Pipes and tubular conduits

Distinct layers

Reinforced

138133, 138172, 138174, 138178, 745025, F16L 1112

Patent

active

050727591

ABSTRACT:
A conduit including an inner tubular liner comprised of organic polymeric material, an outer case and an intermediate layer of metallic filaments extending alternatively in a first direction and then in a second opposite helical direction about the inner tubular liner. The method of making same comprises the steps of; providing an organic polymeric inner tubular liner, applying a single layer of filaments alternately in a first helical direction and then in a second opposite helical direction continuously about the inner liner, and applying an outer layer thereabout.

REFERENCES:
patent: 2277397 (1942-03-01), Graham
patent: 4229613 (1980-10-01), Braun
patent: 4511280 (1970-05-01), Mercier
patent: 4674543 (1987-06-01), Ziemek et al.

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