发明授权
- 专利标题: Rolling cutter
- 专利标题(中): 滚动刀具
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申请号: US14456436申请日: 2014-08-11
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公开(公告)号: US09033070B2公开(公告)日: 2015-05-19
- 发明人: Yuelin Shen , Youhe Zhang , Zhou Yong , Jiaqing Yu , Madapusi K. Keshavan
- 申请人: Smith International, Inc.
- 申请人地址: US TX Houston
- 专利权人: Smith International, Inc.
- 当前专利权人: Smith International, Inc.
- 当前专利权人地址: US TX Houston
- 代理机构: Osha Liang LLP
- 主分类号: E21B10/62
- IPC分类号: E21B10/62 ; E21B10/52 ; E21B10/567 ; E21B10/573
摘要:
A cutting element for a drill bit includes an outer support element and an inner rotatable cutting element, a portion of which is disposed in the outer support element, where the inner rotatable cutting element has a body with a non-planar cutting face.
公开/授权文献
- US20140345951A1 ROLLING CUTTER 公开/授权日:2014-11-27
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