Welding equipment

Details Welding equipment Welding equipment

2007-09-11

2007-09-11

Shaw, Clifford C. (Department: 1725)

Electric heating

Metal heating

By arc

Reexamination Certificate

active

10546233

ABSTRACT:
A welding voltage judgment portion16of judging to see if a predetermined value of welding voltage inputted from an input device11falls within a predetermined certain range is provided, and when the aforementioned welding voltage judgment portion16judges that the predetermined value of welding voltage deviates from the certain range, a standard voltage corresponding to the aforementioned inputted predetermined value of welding current is selected from a unitary voltage table portion19, making it possible to always keep the welding voltage stored in the welding device within a proper voltage range even when the worker inputs conditions deviating from the proper range during the operation of inputting welding conditions.

REFERENCES:
patent: 4721947 (1988-01-01), Brown
patent: 4883938 (1989-11-01), Sarugaku
patent: 6107601 (2000-08-01), Shimogama
patent: 6384375 (2002-05-01), Hongu et al.
patent: 6479793 (2002-11-01), Wittmann et al.
patent: 56-158281 (1981-12-01), None
patent: 11104831 (1999-04-01), None
patent: 2000-334566 (2000-12-01), None
patent: 3287335 (2002-03-01), None

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