Process and apparatus for production of welded tubes

Details Process and apparatus for production of welded tubes Process and apparatus for production of welded tubes

1979-12-26

1982-05-25

Rosenbaum, Mark

Metal fusion bonding

Process

With removing or reshaping of filler material or flash after...

72193, 72370, 228 19, B02C 3100

Patent

active

043312810

ABSTRACT:
An improved process and apparatus for continuous production of welded tubes is disclosed wherein a metal strip material is formed into a tubular form, the longitudinal edges thereof welded, and the welded seam cold worked by the application of a high frequency pulsating force to each area of the seam, while it is supported and widened from within.

REFERENCES:
patent: 3513682 (1970-05-01), Rowell
patent: 3650456 (1972-03-01), Rowell
patent: 3716908 (1973-02-01), Rowell
patent: 3795358 (1974-03-01), Sarnacki et al.

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