Electrode specially for welding studs in heat exchanger tubes

Details Electrode specially for welding studs in heat exchanger tubes Electrode specially for welding studs in heat exchanger tubes

1974-04-09

1976-12-14

Goldberg, E. A.

Electric heating

Metal heating

For bonding with pressure

219 98, 219119, B23K 1130

Patent

active

039977552

ABSTRACT:
A head assembly for electrically welding a stud to a metallic substrate. outer portion of the head is formed of a highly conductive material such as copper, and has a bore therewithin which terminates in a conical surface for engaging the underside of the head of a stud to be welded. Disposed within the bore is a nickel sleeve for retaining the shank of the stud, and a magnet for holding the stud in place. In a preferred embodiment the magnet is spring-loaded and coupled to a microswitch which actuates a control mechanism.

REFERENCES:
patent: 1982098 (1934-11-01), Hartmann
patent: 2231480 (1941-02-01), Pilger
patent: 2311138 (1943-02-01), Swartz

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