发明名称 ABRASIVE BODY
摘要 An abrasive body comprises an abrasive layer (40) bonded to a substrate (42) along an interface (44) and at least one projection (50) extending from the interface (44) into the substrate (42). The projection (50) has an essentially elliptical or circular form in plan and a profile which includes a substantially flat central portion (56) and connecting surfaces (58) joining the central portion (56) to the interface (44) and which slope towards the interface (44).
申请公布号 WO0001918(A1) 申请公布日期 2000.01.13
申请号 WO1999IB01231 申请日期 1999.07.01
申请人 DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED;TANK, KLAUS;ACHILLES, ROY, DERRICK 发明人 TANK, KLAUS;ACHILLES, ROY, DERRICK
分类号 E21B10/56;E21B10/573;(IPC1-7):E21B10/56 主分类号 E21B10/56
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