发明名称 |
Tool insert |
摘要 |
<p>A tool insert comprises an abrasive compact layer (56) having a curved working surface (60), at least a portion of which provides a cutting surface, and an opposite surface bonded to a cemented carbide substrate (50) along an interface, at least one cemented carbide projection (58) extending through the compact layer (56) from the compact/substrate interface to the working surface (60) in which it presents a matching surface (62) which defines an island in the compact working surface (60), the total area of the carbide matching surface (62) being less than that of the compact working surface (60). <MATH></p> |
申请公布号 |
EP0699817(A2) |
申请公布日期 |
1996.03.06 |
申请号 |
EP19950202665 |
申请日期 |
1993.08.05 |
申请人 |
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED |
发明人 |
LLOYD, ANDREW IAN GIFFORD;TANK, KLAUS |
分类号 |
B23B27/14;B23B51/00;B23C5/16;B24D3/00;B24D3/06;B24D99/00;B25J9/10;B25J19/06;E21B10/56;E21B10/567;(IPC1-7):E21B10/56;B24D17/00;B23C5/20 |
主分类号 |
B23B27/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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