发明名称 Sucker rod apparatus and method
摘要 The present disclosure relates to a fiberglass rod with connectors on each end. Each connector has a rod-receiving receptacle having an open end, a closed end, and axially spaced annular wedge shaped surfaces such that the compressive forces between the rod and the respective connector are defined by the shape of the wedged surfaces.
申请公布号 US2013039692(A1) 申请公布日期 2013.02.14
申请号 US201113136715 申请日期 2011.08.09
申请人 RUTLEDGE RUSSELL P.;RUTLEDGE, JR. RUSSELL P.;RUTLEDGE RYAN B. 发明人 RUTLEDGE RUSSELL P.;RUTLEDGE, JR. RUSSELL P.;RUTLEDGE RYAN B.
分类号 E21B17/02;B32B37/12;F04B53/14 主分类号 E21B17/02
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