Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
February 20, 2007
Patent Application Number
10973680
Date Filed
October 26, 2004
Patent Primary Examiner
Patent abstract
Stamped and deburred clutch discs (20a, 20b) are provided by progressive stamping apparatus (46) whose method of use performs a two step stamping of the clutch disc blank and a third deburring stamping step that removes burrs on opposite axial faces by contact in opposite directions.
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