发明名称 |
TWO PIECE MOLD USED IN MANUFACTURE OF PDC DRILL BITS AND METHOD OF USING SAME |
摘要 |
<p>A graphite core mold having its own cavity is pressed into a cavity of a graphite shell mold. The core cavity is filled with tungsten carbide, mixed with a nickel alloy, heated and then cooled to thereby provide a carbide matrix body. After milling the carbide matrix body to thereby provide a carbide bit body, the intact shell mold is removed and then used again.</p> |
申请公布号 |
WO2010047802(A1) |
申请公布日期 |
2010.04.29 |
申请号 |
WO2009US05742 |
申请日期 |
2009.10.22 |
申请人 |
OMNI IP LTD |
发明人 |
TOMCZAK, MICHAEL, M.;SALVO, VINCENTE S.;RIOS, JUAN |
分类号 |
B21K5/04 |
主分类号 |
B21K5/04 |
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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