Rotating arc welding method and apparatus

Details Rotating arc welding method and apparatus Rotating arc welding method and apparatus

1974-07-22

1976-02-10

Truhe, J. V.

Electric heating

Metal heating

For bonding with pressure

219 60R, 219 61, 219 97, 219101, 219123, B23K 908

Patent

active

039379167

ABSTRACT:
Apparatus for welding parts, such as pipes, end to end by means of an electric arc which is caused to rotate along the adjacent edges of the pipes. Two separate magnetic fields are used to cause the arc to follow a spiral path along the edges so that pipes having a wall thickness greater than one quarter of an inch may be welded.

REFERENCES:
patent: 2286210 (1942-06-01), Klemperer et al.
patent: 2472851 (1949-06-01), Landis et al.
patent: 2477582 (1949-08-01), Dawson
patent: 3244931 (1966-04-01), Le Vantine et al.
patent: 3287539 (1966-11-01), Stevens
patent: 3484578 (1969-12-01), Sciaky

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