发明授权
- 专利标题： Manually rotatable tool
- 专利标题（中）： 手动旋转工具
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申请号： US12428541申请日： 2009-04-23
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公开(公告)号： US07992944B2公开(公告)日： 2011-08-09
- 发明人: David R. Hall , Ronald B. Crockett , Gary Peterson , Jeff Jepson
- 申请人： David R. Hall , Ronald B. Crockett , Gary Peterson , Jeff Jepson
- 申请人地址： US TX Houston
- 专利权人： Schlumberger Technology Corporation
- 当前专利权人： Schlumberger Technology Corporation
- 当前专利权人地址： US TX Houston
- 代理机构： Holme Roberts & Owen LLP
- 主分类号： E21C35/197
- IPC分类号： E21C35/197
摘要：
A degradation assembly comprises a rotary portion and a stationary portion. The rotary portion includes a cemented metal bolster bonded to a tip. The tip comprises a asymmetric, substantially conically shaped tip formed of diamond and a cemented metal carbide substrate. The stationary portion comprises a holder configured to be coupled to a block mounted to a driving mechanism. A compressible element is disposed between and in mechanical contact with both the rotary portion and the stationary portion.
公开/授权文献
- US20090200855A1 Manually Rotatable Tool 公开/授权日：2009-08-13
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