Tube to be fed into a pipelike cavity

Pipes and tubular conduits – Combined – With end structure

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Details

138103, 138137, 138140, 138178, 156287, F16L 5802

Patent

active

045820929

ABSTRACT:
Tube to be introduced in a pipelike cavity, and where the forward end of the tube is secured to the entrance to this cavity, and the following part of the tube is introduced through this forward end by a turning inside out, and where the tube to facilitate this operation in its internal layer, which after the introducing turns outside, has build-in compression stresses and/or in its outer layer, which after introducing turns inward, has build-in tension stresses.

REFERENCES:
patent: 3050786 (1962-08-01), St. John et al.
patent: 3948290 (1976-04-01), Arisland
patent: 4043345 (1977-08-01), Kramann et al.
patent: 4109659 (1978-08-01), Sheridan
patent: 4188979 (1980-02-01), Nakamura et al.
patent: 4368091 (1983-01-01), Ontsuga et al.

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