Preparation of tube for welding

Details Preparation of tube for welding Preparation of tube for welding

1978-09-15

1980-02-26

Husar, Francis S.

Metal fusion bonding

With means to deform work, filler, or flux portion before...

228 18, 228173F, 29 33T, 72302, 72342, 219 591, 219105, B23K 3106

Patent

active

041901860

ABSTRACT:
Apparatus for preparing two tubes to be welded together at their ends and for placing the ends in opposed, abutting relationship for welding. The apparatus includes means for annealing a portion or length of each tube, and means for stretching the portion or length of each tube for straightening purposes after it is annealed. In addition, the apparatus includes means for severing an end portion of the annealed length of each tube to provide two annealed tube ends for abutting and welding together. Further, the apparatus includes means for forcing the abutting ends of the tubes together in a manner that will upset the material of the tube ends during welding.

REFERENCES:
patent: 972928 (1910-10-01), Schneider
patent: 1922913 (1933-08-01), Free et al.
patent: 2003118 (1935-05-01), Mirfield et al.
patent: 2336524 (1943-12-01), Bannister
patent: 3621176 (1971-11-01), Valente
patent: 3765215 (1973-10-01), Martin
patent: 3912151 (1975-10-01), Martin et al.

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