发明授权
- 专利标题： Means to secure cutting elements on drag type drill bits
- 专利标题（中）： 用于在铲式钻头上固定切割元件的方法
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申请号： US790974申请日： 1985-10-24
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公开(公告)号： US4646857A公开(公告)日： 1987-03-03
- 发明人: Charles M. Thompson
- 申请人： Charles M. Thompson
- 申请人地址： TX Houston
- 专利权人： Reed Tool Company
- 当前专利权人： Reed Tool Company
- 当前专利权人地址： TX Houston
- 主分类号： E21B10/54
- IPC分类号： E21B10/54 ; E21B10/55 ; E21B10/56 ; E21B10/573 ; E21B10/46
摘要：
A metal matrix (53) of a blade (30) on a drag-type rotary drill bit (10) is formed about a plurality of diamond cutting elements (56) so that the entire surface areas of the cutting faces (62) are exposed and engage the formation to be cut in a drilling operation. The cutting elements (56) are secured by a mechanical interlocking bond or attachment (68, 70) between the cutting elements (56) and matrix (53) without utilizing the cutting faces (62) for securement.
公开/授权文献
- US5978578A Openbus system for control automation networks 公开/授权日：1999-11-02
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