Device for welding metallic hollow bodies with a magnetically mo

Details Device for welding metallic hollow bodies with a magnetically mo Device for welding metallic hollow bodies with a magnetically mo

1979-02-05

1981-01-20

Goldberg, E. A.

Electric heating

Metal heating

By arc

219161, B23K 908

Patent

active

042464641

ABSTRACT:
A device for welding two metallic hollow bodies together in end-to-end connection by means of an electric arc moved by the effect of an external magnetic field along the welding joint, comprises, clamping means engaged with the bodies to clamp them in end-to-end relationship with the respective ends to be joined disposed closely adjacent. In addition, a magnetic coil is disposed within at least one of the bodies or it is advantageously located with a pole piece disposed in the gap between the two bodies and overlapping each of the bodies so as to produce a magnetic field in the vicinity of the ends to be joined. The pole shoe of the magnet advantageously comprises a pole piece which is conformable to the dimensions of the shape of the welded joint.

REFERENCES:
patent: 3286706 (1966-08-01), Laming
patent: 3829806 (1974-08-01), Lathouwers
patent: 3882299 (1975-05-01), Sciaky
"Magnet Arc Tube Weld Machine", Brochure of Falstrom Co., N.J., 2/73.

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