发明名称 COMPOSANT TUBULAIRE MUNI D'UN DEMI-COUPLEUR
摘要 <p>The component (60) has a electromagnetic half-coupler (2) adapted to be coupled to another half-coupler of another component (62) so as to allow data transmission. A boring of an end portion of the former component includes a housing (71) for receiving a spring (72). The spring accommodates the former half-coupler. The former half-coupler is partially embedded in a material (54) consisting of the spring, where the material is abrasion resistant and includes elastic and damping properties. The housing is defined by an axial abutment surface of an annular sleeve (64).</p>
申请公布号 FR2978487(B1) 申请公布日期 2015.07.03
申请号 FR20110002349 申请日期 2011.07.27
申请人 VAM DRILLING FRANCE 发明人 MILLET FRANCOIS;BOUDEY YVAN;THOBOIS STEPHANE
分类号 E21B17/02 主分类号 E21B17/02
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