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 |
US2011226532(A1) |
申请公布日期 |
2011.09.22 |
申请号 |
US200913124855 |
申请日期 |
2009.10.21 |
申请人 |
|
发明人 |
JONKER CORNELIS ROELOF;NILEN ROGER WILLIAM NIGEL;DIGIOVANNI ANTHONY ALBERT |
分类号 |
E21B7/00;B24D18/00;E21B10/36 |
主分类号 |
E21B7/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|