Deep throat resistance welder

Details Deep throat resistance welder Deep throat resistance welder

1977-11-23

1980-11-11

Goldberg, E. A.

Electric heating

Metal heating

For bonding with pressure

219 90, 219116, B23K 928, B23K 1124

Patent

active

042334888

ABSTRACT:
A resistance welder is disclosed which provides the same current at the welding electrodes as comparable resistance welders while requiring less input current. The surprising efficiency of the novel resistance welder permits it to accommodate wide workpieces in a deep throat. The increased demand for power to the welding electrodes, which demand results from the deep throat, is satisfied by the surprising efficiency of the combination of elements utilized in the invention. This invention combines linear transformers, having secondary terminals at extreme linear ends of the transformers, which linear transformers function as part of at least one body member of the welder to provide unexpected efficiency. These uniquely placed linear transformers minimize throat inductance and reduce energy consumption.

REFERENCES:
patent: 512603 (1894-01-01), Coffin
patent: 1851184 (1932-03-01), Holmes
patent: 2346645 (1944-04-01), Bayles
patent: 2803806 (1957-08-01), Rosenheimer
patent: 2922026 (1960-01-01), Hauptmann
patent: 3503026 (1970-03-01), Geisel

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