Projection welder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 6, 1988
Grant Date -
N/A
app pub date -
Dec 9, 1986
filing date -
Dec 9, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A projection welder including a guide pin adapted to be withdrawn, when welding is performed, into an electrode for performing welding. The guide pin is formed with a tapering surface portion which is positioned, when the guide pin is inserted in a threaded opening formed in a nut to be welded which adheres to a forward end of the electrode, against the edge of an entrance to the threaded opening.
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