Direct current welding system

Details Direct current welding system Direct current welding system

1992-06-24

1993-08-03

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219 74, 2191301, 219132, B23K 910

Patent

active

052331598

ABSTRACT:
A battery-powered welder delivers limited DC current to a workpiece without substantial reduction in applied voltage. The DC current is limited by utilizing a tungsten member in series between the battery and an arcing electrode. There is specifically disclosed a TIG welder embodiment.

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