发明名称 GUIDING TUBE FOR BENDABLE DRILL ROD
摘要 A guiding tube (30) for a bendable drill rod (10) for a drilling rig (1) comprises a tube-like casing forming a tubular space (41) inside the casing for holding and guiding at least a part of a drill rod that is not currently used for drilling. The guiding tube (30) comprises at least one bent portion (35), whereby a drill rod (19) positioned inside the guiding tube (30) is also bent by the bend in the guiding tube.
申请公布号 CA2936262(A1) 申请公布日期 2015.07.23
申请号 CA20152936262 申请日期 2015.01.16
申请人 SANDVIK MINING AND CONSTRUCTION LYON SAS 发明人 QUENTIN, VERNUS;RIPPE, OLIVIER;POURCENOUX, JEROME
分类号 E21B17/20;E21B19/22 主分类号 E21B17/20
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