US Patent 7703659 Friction stir joining apparatus
Patent 7703659 was granted and assigned to Kawasaki on April, 2010 by the United States Patent and Trademark Office.
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Patent abstract
In the friction stir joining apparatus of the present invention, a rotation control unit variably controls a rotational speed of a rotor; and a straight movement control unit controls a straight movement of the rotor so as to control a pressure applied by the rotor to the object. The tip portion of the rotating rotor is pressed against a workpiece, thus spot joining is executed. The apparatus can execute frictional stirring joining without practical trouble under simple control.
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Patent Inventor Names
Hajime Kashiki0
Masayuki Inuzuka0
Takehiro Hyoue0
Yasuhide Nagao0
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US Patent 07703659 Friction stir joining apparatus US Patent 7703659 Friction stir joining apparatus
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Patent Number
07703659
Patent Number
7703659
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US Patent 07703659 Friction stir joining apparatus
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Is a
Current assignee
Patent jurisdiction
Patent number
07703659
Date of patent
April 27, 2010
Patent application number
12289240
Date Filed
October 23, 2008
Patent primary examiner
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