Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Seidenfuss0
Martin Werz0
Date of Patent
May 7, 2019
0Patent Application Number
155215840
Date Filed
October 19, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A friction stir welding device and a friction stir welding method provide that an additional material is introduced into the gap between a rotating pin and a fixed shoulder. The pin and/or the shoulder includes a conveyor worm structure by which the additional material is transported to the workpiece.
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