发明名称 Drill pipe breakout device
摘要 Device is used for undoing the connections between the tubes (3) forming a boring rod for a boring device equipped with a rod flange (4) fitting a threaded nipple (5) of the tubes. The threaded nipple has a nipple bore (10) perpendicular to the longitudinal axis of the tube. The rod flange is quipped with a correspondingly arranged and designed flange bore (11). A bolt inserted in the bores is preferably assigned to the rod flange. Preferred Features: The rod flange has on the free end facing the threaded nipple a collar (16) equipped with the flange bore.
申请公布号 EP1221533(B1) 申请公布日期 2006.05.24
申请号 EP20010129176 申请日期 2001.12.10
申请人 KLEMM BOHRTECHNIK ZWEIGNIEDERLASSUNG DER BAUER MASCHINEN GMBH 发明人 ISLEIF, RALF
分类号 E21B17/03;E21B17/042;E21B19/15;E21B19/16 主分类号 E21B17/03
代理机构 代理人
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