发明名称 |
METHOD OF USING SPRING LOADED BLOCKER TO RETAIN ROLLING CUTTERS OR MECHANICAL LOCK CUTTERS |
摘要 |
<p>A cutting element assembly may include a sleeve; an inner cutting element in the sleeve; and a blocker retained in the sleeve with at least one locking device and covering a portion of a cutting face of the inner cutting element. Cutting tools may include a tool body; a plurality of blades extending radially from the tool body, each blade comprising a leading face and a trailing face; a plurality of cutter pockets on the plurality of blades; at least one cutting element in one of the cutter pockets; and at least one blocker positioned adjacent to a cutting face of the at least one cutting element and the leading face of the blade, the blocker being retained to the cutter pocket with at least one locking device.</p> |
申请公布号 |
WO2014078683(A1) |
申请公布日期 |
2014.05.22 |
申请号 |
WO2013US70345 |
申请日期 |
2013.11.15 |
申请人 |
SMITH INTERNATIONAL, INC. |
发明人 |
CHEN, CHEN;BURHAN, YURI;SHI, JIBIN |
分类号 |
E21B10/573;E21B10/43 |
主分类号 |
E21B10/573 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|