发明名称 Drilling apparatus
摘要 A drilling apparatus includes a drill rig which defines a drilling rod axis, a rod magazine for a plurality of rod sections, and a transfer device for transfer of a rod section from the rod magazine and for transfer of the rod section in the drilling rod axis. The transfer device is hereby constructed to travel in the direction of the longitudinal axis of the rod section in relation to the rod magazine.
申请公布号 US8562269(B2) 申请公布日期 2013.10.22
申请号 US20100846248 申请日期 2010.07.29
申请人 HERMES STEFAN;GROBBEL RAIMUND;TRACTO-TECHNIK GMBH & CO. KG 发明人 HERMES STEFAN;GROBBEL RAIMUND
分类号 E21B19/00 主分类号 E21B19/00
代理机构 代理人
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