Electric heating – Metal heating – For bonding with pressure
Patent
1986-12-09
1988-12-06
Shaw, Clifford C.
Electric heating
Metal heating
For bonding with pressure
219 93, 219 95, B23K 1114
Patent
active
047897686
ABSTRACT:
A projection welder including a guide pin adapted to be withdrawn, when welding is performed, into an electrode for performing welding. The guide pin is formed with a tapering surface portion which is positioned, when the guide pin is inserted in a threaded opening formed in a nut to be welded which adheres to a forward end of the electrode, against the edge of an entrance to the threaded opening.
REFERENCES:
patent: 2623974 (1952-12-01), Prucha
patent: 3293402 (1966-12-01), Graham
patent: 4020316 (1977-04-01), Schaft et al.
patent: 4609805 (1986-09-01), Tobita et al.
Naruse Kazuo
Tobita Hideaki
Yajima Shigeru
Shaw Clifford C.
Toyota Jidosha & Kabushiki Kaisha
Yajima Kogyo, Inc.
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