发明名称 ISOLATED SHEARING MECHANISM FOR DOWNHOLE TOOLS
摘要 A shearing mechanism in which a male component mates into a female component, the male component having a first groove extending around the male component and the female component having a second groove extending around the female component, the first groove and the second groove cooperating when the male component is inserted into the female component to define an annular recess. A shearing component is provided within the annular recess, the shearing component having a shear load that is controlled by the material and size of the shearing component. An opening is provided within one or both of the male component and female component, the opening being aligned with the annular recess. Stress relief is provided.
申请公布号 US2013032326(A1) 申请公布日期 2013.02.07
申请号 US201113305709 申请日期 2011.11.28
申请人 PLAINSMAN MANUFACTURING INC.;LEA-WILSON MARK A.;MCASSEY SHANE 发明人 LEA-WILSON MARK A.;MCASSEY SHANE
分类号 E21B29/00;F16B1/00 主分类号 E21B29/00
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