发明名称 BORING SYSTEM AND METHOD THEREFOR
摘要 <p>A boring system and method for same, relating to the boring system and method therefor, in particular to the boring system and method therefor for forming boring holes on the ground, which includes a bit unit for boring the ground, a connecting rod connected with a driving device for transmitting driving force to the bit unit, and a guide unit connected with the connecting rod in a longitudinal direction, the guide unit guiding movement of the bit unit along a guide groove which is formed in a casing inserted into an adjacent boring hole in a longitudinal direction, is disclosed.</p>
申请公布号 WO2005085579(A1) 申请公布日期 2005.09.15
申请号 WO2005KR00482 申请日期 2005.02.22
申请人 YOUN, EUN-JUNG 发明人 YOUN, EUN-JUNG
分类号 E02D5/06;E02D5/08;E02D7/22;E21B3/02;E21B7/00;E21B7/20;(IPC1-7):E21B3/02 主分类号 E02D5/06
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