发明名称 GROUND ANCHOR
摘要 A self-drilling rock anchor includes an anchor tube ( 2 ), a drill head ( 6 ) provided at the first end ( 5 ), an outer thread ( 8 ) provided at least in a region of the second, free end ( 7 ) of the anchor tube and an adapter ( 11 ) releasably connectable with the anchor tube ( 2 ) and having an inner thread ( 17 ) for engaging the outer thread ( 8 ) of the anchor tube ( 2 ), a screw stop ( 14 ), and a quick-intervention element ( 15 ) connectable with a rotatable chuck of a drilling tool the rock anchor is driven-in with.
申请公布号 PL369357(A1) 申请公布日期 2005.02.07
申请号 PL20040369357 申请日期 2004.07.30
申请人 HILTI AG 发明人 LUDWIG WOLFGANG;LEIBHARD ERICH
分类号 E21B17/042;E21D21/00 主分类号 E21B17/042
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