Corrugated metal tube

Details Corrugated metal tube Corrugated metal tube

1978-05-12

1980-02-05

Bell, Houston S.

Pipes and tubular conduits

Flexible

Corrugated

138171, 138177, H02G 304

Patent

active

041867793

ABSTRACT:
A corrugated metal tube are provided wherein such tube has a central longitudinal axis and comprises a single-thickness member having integral corrugations and opposed edges and the member is in tubular form with the corrugations defining substantially annular alternating radially outwardly facing projections and channels with the opposed edges being disposed immediately adjacent each other and each of the edges extending along a mean path substantially parallel to the axis with a weld fixing the edges together.

REFERENCES:
patent: 365466 (1887-06-01), Fox
patent: 3710828 (1973-01-01), Ziemek et al.

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