Method and apparatus for producing thick welded steel pipe

Details Method and apparatus for producing thick welded steel pipe Method and apparatus for producing thick welded steel pipe

1980-05-09

1982-07-20

Crosby, Gene

Metal deforming

By tool-couple embodying nonplanar tool-face

72367, 72416, B21D 3710

Patent

active

043399410

ABSTRACT:
For producing steel pipe from thick steel plate, a foreign member is arranged on a die at the center of its caliber in the length thereof such that the member meets the edge groove of the steel, and in such a condition O-ing is carried out thereon, thereby to produce a thick welded pipe having very little the peaking amount.

REFERENCES:
patent: 977118 (1910-11-01), Minshull
patent: 1879077 (1932-09-01), Carlsen
patent: 1879078 (1932-09-01), Carlsen
patent: 2889866 (1959-06-01), Braun
patent: 3253452 (1966-05-01), Scott

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