Method for welding hollow structure
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United States of America Patent
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Nov 26, 2013
Grant Date -
Dec 27, 2012
app pub date -
Jun 21, 2011
filing date -
Jun 21, 2011
priority date (Note) -
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Abstract
In the method for welding a hollow structure of the present invention, a rib is placed between a first joining member and a second joining member, and friction stir welding and fixing a place where the rib is placed between the first and the second joining member are conducted. Thus, friction stir welding is accomplished without changing the shape of an extrusion part or partly changing the shape of the extrusion part with insertion of a simply shaped rib.
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