发明名称 SPLIT SLEEVES FOR ROLLING CUTTERS
摘要 A cutter assembly may include a multi-piece split sleeve, an inner cutting element having a groove or protrusion formed in a side surface thereof and disposed in the multi-piece split sleeve, and at least one component interfacing at least a portion of the groove or the protrusion to limit axial movement of the inner cutting element with respect to the multi-piece split sleeve, in which the multiple pieces of the split sleeve are joined together at an overlapping joint.
申请公布号 US2014360792(A1) 申请公布日期 2014.12.11
申请号 US201214369583 申请日期 2012.12.27
申请人 SMITH INTERNATIONAL, INC. 发明人 Azar Michael George;Shi Jibin;Zhang Youhe
分类号 E21B10/573 主分类号 E21B10/573
代理机构 代理人
主权项 1. A cutter assembly, comprising: a multi-piece split sleeve; an inner cutting element having a groove or protrusion formed in a side surface thereof and disposed in the multi-piece split sleeve; and at least one component interfacing at least a portion of the groove or the protrusion to limit axial movement of the inner cutting element with respect to the multi-piece split sleeve, wherein the multiple pieces of the split sleeve are joined together at an overlapping joint.
地址 Houston TX US