发明名称 |
Cutting Element |
摘要 |
A cutting element comprises a table of superhard material bonded to a substrate, wherein the table defines a cutting edge and has a chamfered peripheral edge, and a groove in a sidewall of the cutting element passes through the chamfered peripheral edge, so as to reduce the depth of the chamfer at the location of the groove. |
申请公布号 |
US2015368981(A1) |
申请公布日期 |
2015.12.24 |
申请号 |
US201414764088 |
申请日期 |
2014.01.28 |
申请人 |
NOV DOWNHOLE EURASIA LIMITED |
发明人 |
Jiang Alan Honggen;Francis Mark Jonathan;Matthias Terry;Smith Haydn G. |
分类号 |
E21B10/567;E21B10/54 |
主分类号 |
E21B10/567 |
代理机构 |
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代理人 |
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主权项 |
1. A cutting element comprising a table of superhard material bonded to a substrate, wherein the table defines a cutting edge and has a chamfered peripheral edge, and a groove in a sidewall of the cutting element passes through the chamfered peripheral edge, so as to reduce the depth or the chamfer at the location of the groove. |
地址 |
Stonehouse, Gloucestershire GB |