Projection welder

Details Projection welder Projection welder

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A projection welder including a guide pin adapted to be withdrawn, when welding is performed, into an electrode for performing welding.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.

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