Non-marring spot weld tip

Details Non-marring spot weld tip Non-marring spot weld tip

1979-02-05

1980-06-17

Kucia, Richard R.

Electric heating

Metal heating

For bonding with pressure

219 861, 219119, 219120, B23K 1110

Patent

active

042085683

ABSTRACT:
To prevent buckling and indentation of a panel being spot welded, a welding tip including an electrode of large load bearing and heat conducting surface is used to spread the load and also efficiently cool the workpiece. The large area electrode is a water cooled copper disk of large mass connected to a support arm by a coil spring. An electrical contactor on the support arm releasably engages the electrode to supply welding current thereto when welding pressure is applied to the workpiece by the welding gun. When the pressure is removed, the coil spring separates the electrode from the contactor.

REFERENCES:
patent: 2045523 (1936-06-01), Fassler
patent: 2179693 (1939-11-01), Goldstein
patent: 2272968 (1942-02-01), Dyer
patent: 2492551 (1949-12-01), Brunberg
patent: 2701834 (1955-02-01), Moore
patent: 3235704 (1966-02-01), Rockwell
patent: 3399289 (1968-08-01), Sciaky
patent: 3576418 (1971-04-01), Sands

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