发明名称 |
A mold for fabricating an earth-boring drill bit |
摘要 |
<p>A method of designing a drill bit which comprises selecting a core material 76', selecting a bit crown material 13, configuring a hollow bit crown to be fabricated of the bit crown material where the hollow bit crown has a thickness sufficient to maintain a configuration as a quantity of molten core material is disposed therein. The bit crown material may be formed from a mixture of particulate material and infiltrant material.</p> |
申请公布号 |
GB2384263(B) |
申请公布日期 |
2003.10.22 |
申请号 |
GB20030009408 |
申请日期 |
1999.12.24 |
申请人 |
* BAKER HUGHES INCORPORATED |
发明人 |
SIDNEY L * FINDLEY;TRENT N * BUTCHER;GORDON A * TIBBITTS |
分类号 |
B22F7/06;E21B10/54;E21B10/55;(IPC1-7):B22C9/00;E21B10/56;E21B10/00 |
主分类号 |
B22F7/06 |
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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