Synthetic resin pipe including cylindrical inner wall and a spir

Details Synthetic resin pipe including cylindrical inner wall and a spir Synthetic resin pipe including cylindrical inner wall and a spir

1993-12-08

1995-02-21

Bryant, III, James E.

Pipes and tubular conduits

Flexible

Corrugated

138122, 138133, 138134, 138154, 138173, F16L 1111

Patent

active

053907043

ABSTRACT:
A pressure-withstanding synthetic resin pipe includes an inner wall of a synthetic resin and an outer wall of a synthetic resin. A metallic reinforcement belt plate having an inverted U-shaped sectional contour and a flat, metallic belt plate having ends bent to form engagement portions and adapted to be engaged with open end portions of the metallic reinforcement belt plate are disposed between the inner wall and a protruded corrugation portion of the outer wall.

REFERENCES:
patent: 4628966 (1986-12-01), Kanao
patent: 4838317 (1989-06-01), Andre et al.
patent: 4862924 (1989-09-01), Kanao
patent: 5007462 (1991-04-01), Kanao
patent: 5046531 (1991-09-01), Kanao
patent: 5191916 (1993-03-01), Kanao

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