发明名称 |
configuração de revestimento duro para uma ferramenta de perfuração |
摘要 |
Bits configured for drilling rock that are of the type that includes a plurality of teeth supported in pockets that are on a cutting face that is driven to rotate. The pockets are configured to allow the teeth to passively rotate while in the pockets. The present disclosure provides a bit having hardfacing around the pockets and related methods. |
申请公布号 |
BR112013013664(A2) |
申请公布日期 |
2016.09.06 |
申请号 |
BR20131113664 |
申请日期 |
2011.11.30 |
申请人 |
VERMEER MANUFACTURING COMPANY |
发明人 |
CHRIS FONTANA;KEITH ALLEN HOELTING;RANDY R. RUNQUIST |
分类号 |
E21B10/54 |
主分类号 |
E21B10/54 |
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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