发明名称 CLAMPS
摘要 <p>Disclosed is a clamp comprising a body providing a surface inclined to an axis, movable elements which extend through apertures in a support for the elements for operative engagement with a surface of the member characterized in that apertures are shaped to permit axial and radial movement of at least one of the elements for accommodating ovality of the member.</p>
申请公布号 CA1241914(A) 申请公布日期 1988.09.13
申请号 CA19850494869 申请日期 1985.11.08
申请人 WALMSLEY, OWEN 发明人 WALMSLEY, OWEN
分类号 E21B43/12;(IPC1-7):E21B43/12 主分类号 E21B43/12
代理机构 代理人
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