Manufacturing method of diamond cutter
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United States of America Patent
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-
Mar 22, 2005
Grant Date -
Jul 3, 2003
app pub date -
Nov 15, 2002
filing date -
Nov 15, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A diamond cutter 7 constituted by a cutter base plate 5 having a curved surface 3 by drawing molding a steel sheet metal material is provided. The cutter base plate 5 is obtained by preparing an original plate having an axial hole 2 and a circular outer shape from the steel sheet metal material, next spinning drawing or press molding, and forming the curved surface being 3 wholly point symmetrical about the axial hole 2 between the axial hole 2 and the outer shape 1.
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