Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Siegfried Beerhalter0
Hans-Joachim Halamoda0
Date of Patent
August 25, 2009
0Patent Application Number
111482130
Date Filed
June 9, 2005
0Patent Primary Examiner
Patent abstract
The punching die of the invention has a head 22 held by positive engagement. The head 22 is held on the shaft 21 of the die 8 in that by means of plastic deformation, for instance by radial application of pressure, material is positively displaced radially inward, so that a protrusion 28 is embodied which rests over a large area on the wall of a recess 23. A more secure, more durable force transition is assured.
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