Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 29, 2008
Patent Application Number
10881289
Date Filed
June 29, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A joining portion of an opposed surface of workpieces is heated by generating an induced current due to a change of a magnetic field as well as by applying a frictional heat to the joining portion, so that productivity and quality of welding can be improved.
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