发明名称 An insert for a tool.
摘要 <p>The invention relates to abrasive tools such as a cutting tool for a mining machine. Located in a socket 18 of the tool is a cutting insert comprising an elongate pin 22 having a bottom conical end 24 located in the recess and a top conical portion 26 to which is bonded a composite abrasive compact. The composite abrasive compact having an abrasive compact layer 34 bonded to a cemented carbide substrate 36. The socket 18 complements the shape of the elongate pin 22 and, in particular, the bottom conical end 24. This arrangement minimises the occurrence of stress raisers. </p>
申请公布号 EP0236086(A1) 申请公布日期 1987.09.09
申请号 EP19870301741 申请日期 1987.02.27
申请人 DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED 发明人 TOMLINSON, PETER NOEL
分类号 E21C35/18;B24D7/18;E21B10/56;E21B10/567;E21B10/62;E21C35/183;(IPC1-7):E21B10/56 主分类号 E21C35/18
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