发明名称 |
INSERT FOR AN ATTACK TOOL, METHOD FOR MAKING SAME AND TOOLS INCORPORATING SAME |
摘要 |
The invention relates to an insert for an attack tool, the insert comprising a super-hard cap having a volume and bonded to a substrate at an interface, the super-hard cap having an average Young's modulus of greater than 900 GPa and the substrate characterised in that it comprises a reinforcing bolster portion as a means for stiffening a region of the substrate proximate the interface, the reinforcing bolster portion having an aggregate volume that is greater than that of the super-hard cap and an average Young's modulus at least 60% that of the super-hard cap. The invention further relates to a method for manufacturing such an insert and a method for using such an insert. |
申请公布号 |
EP2342418(A1) |
申请公布日期 |
2011.07.13 |
申请号 |
EP20090744764 |
申请日期 |
2009.10.21 |
申请人 |
ELEMENT SIX (PRODUCTION)(PTY) LIMITED;BAKER HUGHES INCORPORATED |
发明人 |
JONKER, CORNELIS, ROELOF;NILEN, ROGER, WILLIAM, NIGEL;DIGIOVANNI, ANTHONY, ALBERT |
分类号 |
E21B10/46;B22F7/06;C22C26/00;C22C29/06;E21B10/573 |
主分类号 |
E21B10/46 |
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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