DIAMOND FACETING Russian patent published in 2014 - IPC A44C17/00 B28D5/00

Abstract RU 2537278 C2

FIELD: process engineering.

SUBSTANCE: invention is intended for use in production of jewellery. Proposed method consists in diamond site shaping to cone with cone generatrix angle to girdle plane. Diamond faceting features the following parameters: diamond diameter D, total height H=0.61D, cone base d=0.52D, girdle depth r=0.04D, top height with girdle h₁=0.22D, bottom height to girdle h₂,=0.39D, inclination of top faces to girdle plane 23.5°, bottom inclination to girdle plane 38.5°, cone generatrix inclination to girdle - 17°.

EFFECT: perfected diamond dye play.

1 dwg

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RU 2 537 278 C2

Authors

Popov Aleksej Aleksandrovich

Popov Sergej Alekseevich

Dates

2014-12-27—Published

2012-12-10—Filed