Electric heating – Metal heating – By arc
Reexamination Certificate
2007-02-27
2007-02-27
Shaw, Clifford C. (Department: 1725)
Electric heating
Metal heating
By arc
C219S130100, C219S130320
Reexamination Certificate
active
10852088
ABSTRACT:
A system and method for welding with a first and second arc between a first and second electrode, respectively, and a common workpiece, where each of the electrodes is driven by a single power source, where there is a first inductor connected in series with the first electrode and a second inductor connected in series with the second electrode and each of the inductors has sufficient inductive reactance to store enough energy to maintain an existing arc associated with one of the electrodes for a selected general time with essentially no current to the one electrode.
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Blankenship George D.
Stava Elliott K.
Fay Sharpe Fagan Minnich & McKee LLP
Lincoln Global Inc.
Shaw Clifford C.
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