发明申请
- 专利标题： LOCALIZED FEATURES AND MANUFACTURING METHODS FOR INSERTS OF ROCK BITS
- 专利标题（中）： 本地化特征及其制造方法
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申请号： US13292675申请日： 2011-11-09
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公开(公告)号： US20120168232A1公开(公告)日： 2012-07-05
- 发明人: Zhou Yong , Sike Xia , Jianhui Xu
- 申请人： Zhou Yong , Sike Xia , Jianhui Xu
- 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： E21B10/36
- IPC分类号： E21B10/36 ; B29C39/38 ; B29C39/10 ; C04B35/56
摘要：
An insert for a drill bit and method of making an insert is disclosed herein. An insert has a grip region, a cutting extension having a cutting surface, and at least one implant embedded in the cutting extension, wherein the cutting extension comprises a first carbide material and the implant comprises a second carbide material, and wherein the second carbide material has a hardness that is greater than the first carbide material.
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