Automatic welding feeder shut off

Details Automatic welding feeder shut off Automatic welding feeder shut off

1978-08-31

1980-09-23

Goldberg, E. A.

Electric heating

Metal heating

By arc

200 6147, 2191377, B23K 932

Patent

active

042245028

ABSTRACT:
In accordance with the present disclosure, the weld wire is passed through a pivoted switch located upstream of a welding machine. When the end of the weld wire passes through the pivoted switch, the switch is biased to pivot into a non-contact or open position. The open position of the switch shuts off the current to the welding arc and to the feed rolls and prevents the weld wire from melting back to the contact tip and fusing to the tip.

REFERENCES:
patent: 3143633 (1964-08-01), Wayleigh
patent: 3227866 (1966-01-01), Peters
patent: 3555219 (1971-01-01), Johnson

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