METHOD OF MANUFACTURING A COINING DIE
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United States of America Patent
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Issued Date -
Oct 1, 2015
app pub date -
Jul 24, 2013
filing date -
Jul 24, 2012
priority date (Note) -
Abandoned
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Abstract
There is disclosed a method of manufacturing a coining die comprising the steps of: forming a blank billet; polishing the blank billet by moving it in an abrasive medium; pressing the polished blank billet with a working punch to form a coining die; and polishing the coining die by moving it in an abrasive medium. There is also disclosed an apparatus for the same.
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