Method and apparatus for maintaining seam alignment in seam weld

Details Method and apparatus for maintaining seam alignment in seam weld Method and apparatus for maintaining seam alignment in seam weld

1997-05-05

1999-02-09

Heinrich, Samuel M.

Metal fusion bonding

Process

With shaping

228 175, 228158, B23K10106

Patent

active

058682996

ABSTRACT:
The invention comprises a method and apparatus for maintaining seam alignment in seam welded tubes comprising the tube being formed to be advanced through a shaping station after seam welding and prior to the cooling of tube wherein the tube is preformed to commence to assume at least two continuously extending flat shaped surfaces parallel with the continuous seam and contacting the preformed tube subsequent to the cooling to maintain alignment of the weld seam.

REFERENCES:
patent: 3640116 (1972-02-01), Hellman
patent: 3691337 (1972-09-01), Morris
patent: 3707257 (1972-12-01), Wogerbauer et al.
patent: 5309746 (1994-05-01), Abbey, III

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