METHOD FOR ROUNDING OFF SEMIFINISHED DIAMOND Russian patent published in 2003 - IPC

Abstract RU 2208508 C2

FIELD: diamond processing industry branch. SUBSTANCE: method comprises steps of working bottom portion of diamond for imparting to it round shape by facing two semifinished diamonds one about another; placing semifinished diamonds in the same plane by inclination angle equal to that of bottom portion of diamond and imparting reciprocation motion to them in direction of contact line; feeding removed material normally relative to contact line. EFFECT: lowered loss of raw materials, enhanced efficiency of method. 2 dwg

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RU 2 208 508 C2

Authors

Nikolaev O.V.

Dates

2003-07-20—Published

2000-10-30—Filed