Welding wire feeder

Details Welding wire feeder Welding wire feeder

2005-06-07

2005-06-07

Kerns, Kevin P. (Department: 1725)

Electric heating

Metal heating

By arc

Reexamination Certificate

active

06903305

ABSTRACT:
A push-pull welding wire feeder includes plural wire feeding units provided in a wire feeding passage extending from a welding wire magazine, in which a roll of welding wire is accommodated, via a wire guide tube to a welding torch. At least one of the wire feeding units includes a torque limiter provided in a driving transmission system thereof for transmitting a driving force from a driving source to the welding wire. Accordingly, the welding wire feeder can steadily convey the welding wire even at acceleration or deceleration while allowing the welding wire to be bent, thus contributing to favorable result of its welding operation.

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Japanese International Search Report for PCT/JP02/07615, dated Nov. 12, 2002.
English translation of Japanese International Search Report for PCT/JP02/07615, dated Nov. 12, 2002.

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