Welding head for resistance - welding machine

Details Welding head for resistance - welding machine Welding head for resistance - welding machine

1975-12-04

1977-09-27

Goldberg, E. A.

Electric heating

Metal heating

For bonding with pressure

219 81, B23K 1106

Patent

active

040513432

ABSTRACT:
A resistance-welding head having a vertical-axis rotor with a roller electrode attached to the lower end thereof. Current is supplied to the roller electrode by means of a mercury-filled interstice formed between the walls of a chamber within the rotor and a current-transmission rod disposed within the chamber. The rod may be provided with a bore for receiving the mercury and having a stopper which also serves as a mercury-level indicator.

REFERENCES:
patent: 1553728 (1925-09-01), Sjobring
patent: 3267253 (1966-08-01), Gueugnier
Le Soudage Electrique et son, Application a La Construction Aeronautique by Moresse, Girardot & Cie, Paris, 1954, p. 103.

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