发明名称 |
Rotary rock bit with improved diamond-filled compacts |
摘要 |
In an improved earth boring bit of the type having one or more rotable cones secured to bearing shafts, an improved cutting structure having diamond filled compacts used as a wear resistant inserts. The improved compacts have hard metal jackets and integrally formed diamond cores. The improved compacts are advantageously used as gage and heel row compacts when inserted in mating recesses provided on the exteriors of the rotatable cones.
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申请公布号 |
US5248006(A) |
申请公布日期 |
1993.09.28 |
申请号 |
US19920881731 |
申请日期 |
1992.05.07 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
SCOTT, DANNY E.;JUREWICZ, STEPHEN R. |
分类号 |
B22F7/06;E21B10/52;E21B10/56;E21B10/567 |
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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