发明申请
- 专利标题: ROLLING CUTTER WITH BOTTOM SUPPORT
- 专利标题(中): 滚动切割机与底部支持
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申请号: US14138894申请日: 2013-12-23
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公开(公告)号: US20140174834A1公开(公告)日: 2014-06-26
- 发明人: Youhe Zhang , Chen Chen , Yuri Burhan , Jibin Shi
- 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
- 主分类号: E21B10/573
- IPC分类号: E21B10/573 ; E21B10/55
摘要:
A cutting element assembly includes a sleeve, a lining extending a distance axially from an end of the sleeve, and an inner cutter. The inner cutter has a cutting end, wherein the cutting end extends a depth from a cutting face, a side surface, and a body, wherein the body is at least partially disposed within the sleeve, and wherein the side surface of the cutting end interfaces with an interfacing surface of the lining.
公开/授权文献
- US09464486B2 Rolling cutter with bottom support 公开/授权日:2016-10-11
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