Bellows pipe construction

Details Bellows pipe construction Bellows pipe construction

1991-08-19

1992-10-27

Bryant, III, James E.

Pipes and tubular conduits

Spirally seamed

138122, 138135, F16L 916

Patent

active

051581159

ABSTRACT:
A bellows pipe construction and method for manufacturing are disclosed wherein helically wound coils of longitudinally corrugated strip are joined with an interlocking seam. Thereafter, the interlocking seam is deformed to position the edges of the strip in substantial parallelism with the axis of the pipe. The resulting pipe can be extended or shortened for installation and will further adjust and accommodate ground movement without substantial loss of strength.

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