| 发明名称 |
MILL-DRILL CUTTER AND DRILL BIT |
| 摘要 |
A mill-drill cutter for an earth boring bit includes a cutting structure secured to a substrate. The cutting structure has a drilling edge, and the substrate has a milling edge. The substrate is configured to be received in a cutter pocket of the earth boring bit. The drilling edge of the cutting structure is disposed radially internal to the milling edge of the substrate. |
| 申请公布号 |
US2015226010(A1) |
申请公布日期 |
2015.08.13 |
| 申请号 |
US201514616528 |
申请日期 |
2015.02.06 |
| 申请人 |
Varel International Ind., L.P. |
发明人 |
Drews Steven W. |
| 分类号 |
E21B10/55;E21B10/573 |
主分类号 |
E21B10/55 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A cutter for an earth boring bit, comprising:
a cutting structure having a drilling edge; and a substrate secured to the cutting structure and having a milling edge, the substrate configured to be received by a cutter pocket of the earth boring bit, the drilling edge of the cutting structure disposed radially internal to the milling edge of the substrate. |
| 地址 |
Carrollton TX US |
