Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul D. Boyes0
Glenn R. Koenigbauer0
Steven J. Sprotberry0
Date of Patent
June 25, 2019
0Patent Application Number
142178700
Date Filed
March 18, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A clinching apparatus includes a clinching punch having a specifically dimensioned tapered surface which improves the strength of a clinch joint created therewith. In another aspect, a tapered surface adjacent a distal end of a clinching punch has an angle of 20-35° relative to a distal end. A further aspect of a clinching apparatus provides a tapered surface adjacent a distal end which is configured in accordance with a specific formula.
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