EP 0352093 B1 19950125 - Abrading ultra-hard stones.
Title (en)
Abrading ultra-hard stones.
Title (de)
Schleifendes Schneiden von ultraharten Steinen.
Title (fr)
Découpage abrasif de pierres ultradures.
Publication
Application
Priority
ZA 885245 A 19880720
Abstract (en)
[origin: EP0352093A2] An ultrahard stone, such as a diamond gem stone, is cut or kerfed by moving the cutting edge of a diamond compact relative to and in contact with the stone. The diamond compact may be in the form of a disc with with a cutting edge thickness of 0.5 to 1 mm. Preferably, the diamond compact is thermally stable at 1200 DEG C in an inert or non-oxidising atmosphere.
IPC 1-7
IPC 8 full level
CPC (source: EP)
B28D 5/00 (2013.01); B28D 5/022 (2013.01)
Designated contracting state (EPC)
BE GB NL
DOCDB simple family (publication)
EP 0352093 A2 19900124; EP 0352093 A3 19910424; EP 0352093 B1 19950125; IL 90976 A0 19900209
DOCDB simple family (application)
EP 89307317 A 19890719; IL 9097689 A 19890714