Chamfering method, forging device used in the chamfering method, and chamfered product
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United States of America Patent
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Issued Date -
Jun 23, 2005
app pub date -
Dec 19, 2003
filing date -
Dec 19, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A chamfer processing method for forming a chamfer part in a producing method for molding a product which has a cut-finished surface by cutting and penetrated hole or concave portion opening to said cut-finished surface, wherein chamfer processing step for chamfer processing previously the chamfer part by press molding at a corner part between the cut-finished surface and the penetrated hole or concave portion, and cutting step for cut-finishing the cut-finished surface in order to remain the chamfer part on the corner part between the cut-finished surface and the penetrated hole or concave portion.
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