发明名称 |
Reinforcing overlay for matrix bit bodies |
摘要 |
A drill bit that includes a matrix bit body having a reinforcing overlay thereon and having at least one blade thereon; at least one cutter pocket disposed on the at least one blade; at least one cutter disposed in the at least one cutter pocket; and a braze material disposed between the at least one cutter and the at least one cutter pocket, wherein the reinforcing overlay comprises carbide particles and at least one binder and has a melting point greater than a melting point of the braze material is disclosed.
|
申请公布号 |
US2008164070(A1) |
申请公布日期 |
2008.07.10 |
申请号 |
US20070650860 |
申请日期 |
2007.01.08 |
申请人 |
SMITH INTERNATIONAL, INC. |
发明人 |
KESHAVAN MADAPUSI K.;KEMBAIYAN KUMAR T.;WHITE ALYSIA C.;GRIFFO ANTHONY |
分类号 |
E21B10/46 |
主分类号 |
E21B10/46 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|