Electric heating – Metal heating – By arc
Reexamination Certificate
2007-11-27
2007-11-27
Shaw, Clifford C. (Department: 1725)
Electric heating
Metal heating
By arc
Reexamination Certificate
active
10905924
ABSTRACT:
The present invention is directed to an apparatus and method for coordinating wire feeder motor operation. A wire feeder system includes a push motor configured to push a welding wire at a desired speed to and a pull motor configured to pull the welding wire from the push motor and dispense the welding wire from the wire feeder system. The system also includes a controller configured to control the pull motor to pull the welding wire at a start speed greater than the desired speed during a startup period.
REFERENCES:
patent: 3293477 (1966-12-01), Lobosco
patent: 3586222 (1971-06-01), Rosen
patent: 58-53376 (1983-03-01), None
patent: 2-255273 (1990-10-01), None
patent: 10-272569 (1998-10-01), None
Machine-generated English translation of Japanese document No. JP10-272569A.
Illinois Tool Works Inc.
Shaw Clifford C.
Ziolkowski Patent Solutions Group, SC
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