发明名称 |
Matrix powder for matrix body fixed cutter bits |
摘要 |
A matrix powder for forming a matrix bit body, the matrix powder essentially consisting of a plurality of carbide particles having a particle size distribution of ±20% of a median particle size; and a plurality of metal binder particles is disclosed. |
申请公布号 |
US8211203(B2) |
申请公布日期 |
2012.07.03 |
申请号 |
US20080189992 |
申请日期 |
2008.08.12 |
申请人 |
SHENG XIAYANG;LOCKSTEDT ALAN W.;LOCKWOOD GREGORY T.;SMITH INTERNATIONAL, INC. |
发明人 |
SHENG XIAYANG;LOCKSTEDT ALAN W.;LOCKWOOD GREGORY T. |
分类号 |
B22F1/00 |
主分类号 |
B22F1/00 |
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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