Electric heating – Metal heating – For bonding with pressure
Patent
1992-05-27
1994-08-02
Evans, Geoffrey S.
Electric heating
Metal heating
For bonding with pressure
219118, 420471, 428647, B23K 1130, B23K 3524
Patent
active
053348141
ABSTRACT:
A spot welding electrode is made of a copper base material such as copper, copper alloy, or alumina dispersion strengthened copper, and has a Sn coating layer formed at the part making contact with the material being welded. The formed Sn coating layer reduces electrode wear and prolongs electrode life.
REFERENCES:
patent: 2469878 (1949-05-01), Hannon et al.
patent: 4401874 (1983-08-01), Kitamura et al.
patent: 4972047 (1990-11-01), Puddle et al.
Kumagai Masaki
Namba Keizo
Nosetani Tadashi
Sano Hiromichi
Tsunekawa Masanori
Evans Geoffrey S.
Sumitomo Light Metal Industries Ltd.
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