Resistance welder

Details Resistance welder Resistance welder

1980-07-03

1982-05-11

Truhe, J. V.

Electric heating

Metal heating

For bonding with pressure

339 9E, B23K 1110, H01R 4100

Patent

active

043295592

ABSTRACT:
In effecting resistance welding, fluid pressure is applied to a piston in a cylinder to drive the piston rod ahead so that work being welded is clamped between an electrode provided at the end of the rod and another electrode carried by an arm to apply a suitable welding pressure to the work. As the piston is further moved ahead, a collector ring is expanded radially outwardly to make electrical contact with the power feeding liner, so that welding current fed from a feeder cable is supplied to the electrode through the cylinder, feeding liner, collector ring, collector plate and the rod, thereby to effect the welding while applying a suitable pressure to the work.

REFERENCES:
patent: 2881403 (1959-04-01), Vltavsky
patent: 3287538 (1966-11-01), Dicks
patent: 3538294 (1970-11-01), Dicks et al.
patent: 4260868 (1981-04-01), Day

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