发明申请
- 专利标题： EARTH BORING BIT WITH WEAR RESISTANT BEARING AND SEAL
- 专利标题（中）： 具有抗磨损轴承和密封件的接地钻头
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申请号： US12417416申请日： 2009-04-02
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公开(公告)号： US20090194339A1公开(公告)日： 2009-08-06
- 发明人: Aaron J. Dick , Chih Lin
- 申请人： Aaron J. Dick , Chih Lin
- 申请人地址： US TX Houston
- 专利权人： BAKER HUGHES INCORPORATED
- 当前专利权人： BAKER HUGHES INCORPORATED
- 当前专利权人地址： US TX Houston
- 主分类号： E21B10/22
- IPC分类号： E21B10/22 ; E21B10/00
摘要：
A roller cone bit is provided that includes a wear resistant coating applied to a bearing shaft, which is attached to a roller cone. The wear resistant coating can be a tungsten/tungsten carbide composite applied by chemical vapor deposition.
公开/授权文献
- US08196682B2 Earth boring bit with wear resistant bearing and seal 公开/授权日：2012-06-12
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