Pressure-resistant helical corrugated pipe including a thin meta

Details Pressure-resistant helical corrugated pipe including a thin meta Pressure-resistant helical corrugated pipe including a thin meta

1994-02-02

1996-11-12

Bryant, III, James E.

Pipes and tubular conduits

Flexible

Corrugated

138132, 138135, 138173, F16L 916, F16L 906

Patent

active

055730388

ABSTRACT:
A pressure-resistant helical corrugated pipe comprises a helical corrugated pipe wall formed by a top portion, opposite side wall portions and a bottom portion; and a continuous thin metal belt plate disposed at least in the top portion or the bottom portion and also in part or the whole of the opposite side wall portions. The metal belt plate serves as a constitent element for the pipe wall. A portion of the metal belt plate disposed at the top portion or the bottom portion has one or more reinforcement ribs and a connective portion for the metal belt plate is integrally formed of a synthetic resin material or rubber material.

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