Welding apparatus
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United States of America Patent
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Feb 15, 2005
Grant Date -
N/A
app pub date -
Dec 2, 2002
filing date -
Dec 19, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a welding apparatus comprising a welding unit, a work-table for supporting the workpieces to be welded, and the clamping means for clamping the workpieces to the work-table in the direction towards one another during the welding operation. The welding unit comprises a friction stir welding head and a fusion welding head.
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