Welding gun provided with a backup cylinder
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United States of America Patent
Stats
-
Feb 25, 1992
Grant Date -
N/A
app pub date -
Jun 27, 1990
filing date -
Feb 21, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A welding gun provided with a backup cylinder is characterized in that the welding gun is moved toward a workpiece by a welding robot an end of which is connected to the welding gun via a bracket, then one electrode is brought into contact with the workpiece by a backup cylinder so that the workpiece is held by one electrode, thereafter the other electrode is brought into contact with the workpiece by a pressure application cylinder so that the pressure force is applied to the workpiece by both the electrodes for welding operation.
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