Resistance welding electrode

Details Resistance welding electrode Resistance welding electrode

1986-12-03

1988-03-01

Goldberg, E. A.

Electric heating

Metal heating

For bonding with pressure

219119, B23K 1130

Patent

active

047287691

ABSTRACT:
A resistance welding electrode includes a barrel-shaped portion having a cooling water passage defined therein and extending closely to an end surface thereof, and a cylindrical projection integrally formed on the end surface of the barrel-shaped portion. The cylindrical projection has a helical groove defined therearound, and may additionally have another helical groove defined therearound parallel to the first-mentioned helical groove in 180.degree.-out-of-phase relation thereto. The cylindrical projection may have an axial slot defined in its circumferential surface across the helical groove.

REFERENCES:
patent: 2379187 (1945-06-01), Richards
patent: 2392736 (1946-01-01), Hensel et al.
patent: 3426172 (1969-02-01), Jost
patent: 4476372 (1984-10-01), Prucher

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