Electric arc welding device, method of welding metal sheets...

Details Electric arc welding device, method of welding metal sheets... Electric arc welding device, method of welding metal sheets...

2006-05-16

2006-05-16

Shaw, Clifford C. (Department: 1725)

Electric heating

Metal heating

By arc

Reexamination Certificate

active

07045741

ABSTRACT:
An electric arc welding device (10) for butt welding metallic sheets (12; 72; 80; 90; 92; 94; 100) is provided having an elongated face (22) onto metallic counterpieces (14), having a holding device (16; 16, 74) for holding a sheet (12, 72; 80; 90; 92; 94; 100), a reciprocating device (18) for moving the holding device (16; 16, 74) to and fro towards the counterpiece (14) and away from it, and a voltage supply device (20) for applying a voltage between sheet (12; 72; 80; 90; 92; 94; 100) and counterpiece (14) in order to generate an electric arc (24) between them. A magnetic field generating device (30) is provided, designed to generate a magnetic field (50, 32) having a component (32) transverse to the extent of the elongated face (22) and transverse to the extent of the electric arc (24) generated in the welding operation, in order to move the electric arc (24) in the direction of the extent of the elongated face (22).

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“Stud Welding Logic”, Emhart Tucker, pp. 6, Oct. 2000.
“Bolzenschweissen, Grundlagen und Anwendung”, Trillmich Welz, Gachbuchreihe Schweisstechnik, vol. 133, Deutscher Verlag fur Schweisstechnik (DVS-Verlag) GmbH, Ch. 9.4, 1997, with an English Translation, 7 pgs.

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