- 专利标题： Hard facing configuration for a drilling tool
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申请号： US13991090申请日： 2011-11-30
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公开(公告)号： US09624730B2公开(公告)日： 2017-04-18
- 发明人: Randy R. Runquist , Keith Allen Hoelting , Chris Fontana
- 申请人： Randy R. Runquist , Keith Allen Hoelting , Chris Fontana
- 申请人地址： US IA Pella
- 专利权人： Vermeer Manufacturing Company
- 当前专利权人： Vermeer Manufacturing Company
- 当前专利权人地址： US IA Pella
- 代理机构： Merchant & Gould P.C.
- 国际申请： PCT/US2011/062634 WO 20111130
- 国际公布： WO2012/075134 WO 20120607
- 主分类号： E21B10/08
- IPC分类号： E21B10/08 ; E21B10/54 ; E21B10/62 ; B05D1/32
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.
公开/授权文献
- US20130248255A1 HARD FACING CONFIGURATION FOR A DRILLING TOOL 公开/授权日：2013-09-26
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