Apparatus and method for discharge surface treatment

Details Apparatus and method for discharge surface treatment Apparatus and method for discharge surface treatment

2006-06-27

2006-06-27

Koch, George (Department: 1734)

Coating apparatus

With means to apply electrical and/or radiant energy to work...

Electrostatic and/or electromagnetic attraction or...

C118S620000, C323S208000, C323S209000, C323S210000, C323S211000, C323S277000, C320S166000, C320S167000

Reexamination Certificate

active

07067011

ABSTRACT:
An apparatus has a green compact electrode including a material of a coating formed on a workpiece by a discharge, a power source for supplying a first voltage, a voltage detector for detecting a voltage between the workpiece and the electrode, and a pulse current generator for generating and outputting a pulse current from the first voltage, and for cutting off the output when a predetermined period of time has passed after the voltage is detected to be less than a detection voltage. The pulse current is supplied between the workpiece and the electrode, and the detection voltage is less than the first voltage by 5% to 20% of the first voltage.

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Official Action, German Patent and Trademark Office.

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