Apparatus for producing helically corrugated metal pipe and...

Details Apparatus for producing helically corrugated metal pipe and... Apparatus for producing helically corrugated metal pipe and...

2006-09-25

2008-07-29

Suhol, Dmitry (Department: 3725)

Metal deforming

By tool-couple pressing together adjacent surface portions...

To form helically-seamed tube

C072S050000, C072S180000

Reexamination Certificate

active

07404308

ABSTRACT:
A pipe manufacturing system and method for producing helically corrugated metal pipe is provided. The system and method utilize controlled profile formation.

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patent: 4791800 (1988-12-01), Alexander
patent: 60257931 (1985-12-01), None

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