Spot welding electrode

Details Spot welding electrode Spot welding electrode

1985-10-04

1991-08-20

Picard, Leo P.

Electric heating

Metal heating

For bonding with pressure

219 861, B23K 928

Patent

active

050417118

ABSTRACT:
A spot welding electrode includes a plurality of alternating, co-axially first and second sections, the first sections having a first predetermined sized cross section. Each first section has an undercut portion tangential to the second section which defines a shear line. The second sections have a second predetermined sized cross section smaller than the cross section of the first sections. The outer sides of the second sections form undercut areas between the outer sides of adjacent first sections. The outer sides of the second sections act as cleavage surfaces which remove excess material formed at the peripheral edges of the adjoining first sections caused by successive deformation of the first sections during repeated welding operations.

REFERENCES:
patent: 3664412 (1972-05-01), Zerkle
patent: 3889096 (1975-06-01), Asselman et al.
patent: 4476372 (1984-10-01), Prucher

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