Electric heating – Metal heating – By arc
Reexamination Certificate
2005-01-03
2010-10-05
Ralis, Stephen J (Department: 3742)
Electric heating
Metal heating
By arc
C219S121570, C219S121590, C219S121530, C219S121390, C219S121450
Reexamination Certificate
active
07807937
ABSTRACT:
A system for conserving a consumable component of a plasma torch is disclosed. The system includes a controller of a plasma torch that is connected to a power source. The controller is configured to, during a single trigger actuation, delay generation of an arc after a prior arc collapses. Such a control allows the consumable components of the plasma torch to cool prior to subsequent operation.
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Fletcher Yoder P.C.
Illinois Tool Works Inc.
Ralis Stephen J
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