Automatic welding control system with selectable pairs of altern

Details Automatic welding control system with selectable pairs of altern Automatic welding control system with selectable pairs of altern

1983-08-01

1985-01-01

Shaw, Clifford C.

Electric heating

Metal heating

By arc

2191372, 361166, B23K 900

Patent

active

044917201

ABSTRACT:
A welding control system including first and second pairs of gas supply output terminals, first and second pairs of contactor output terminals, first and second pairs of wire feed output terminals, normally open gas supply switch contacts connected across the second pair of gas supply output terminals, normally open contactor switch contacts connected across the second pair of contactor output terminals, normally open wire feed switch contacts connected across the second pair of wire feed output terminals and input terminals for connection to a voltage supply. A control circuit selectively connects the input terminals across the first pairs of output terminals and selectively closes the normally open switch contacts.

REFERENCES:
patent: 2832000 (1958-04-01), Steele
patent: 3118051 (1964-01-01), Dixon
patent: 3581050 (1971-05-01), Brown
patent: 3581051 (1971-05-01), Brown
patent: 4144552 (1979-03-01), Sibalis

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