Electric heating – Metal heating – For bonding with pressure
Reexamination Certificate
2005-03-22
2005-03-22
Shaw, Clifford C. (Department: 1725)
Electric heating
Metal heating
For bonding with pressure
C219S086410
Reexamination Certificate
active
06870122
ABSTRACT:
Method and apparatus for detecting unacceptable misalignment of welding electrodes. An electrode-alignment station is positioned adjacent a welding station. A robot controls the movement of the electrodes, and occasionally moves the electrodes out of the welding station and into an electrode-alignment station. At the electrode-alignment station, the electrodes are closed on a fixture that transfers electrode-misalignment into movement of a plate that triggers an alarm if the misalignment is greater than a prescribed amount.
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Semtorg, Inc. Sales Publication “Tip Dress Verification Device”, 1 sheet, date unknown.
Huang Ningjian
Hutchinson Daniel C.
Schmidt Kenneth R.
Sun Peter C.
Wang Pei-Chung
General Motors Corporation
Marra Kathryn A.
Shaw Clifford C.
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