An abrasive compact is provided which has a plurality of recesses which may take the form of holes (26) or grooves (20) formed in a major surface (10) thereof. The recesses contain no solid material and serve as crack arrester formations.
申请公布号
DE68919602(T2)
申请公布日期
1995.04.27
申请号
DE1989619602T
申请日期
1989.09.08
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LTD., JOHANNESBURG, TRANSVAAL, ZA
发明人
PHAAL, CORNELIUS, JOHANNESBURG, TRANSVAAL, ZA;MASTRANTONIS, NICHOLAS, EDENVALE, TRANSVAAL, ZA
