发明名称 UNDERGROUND SECURING SYSTEM COMPRISING A ROCK BOLT THAT INCLUDES AN ATTACHMENT DEVICE
摘要 The invention relates to a securing system for the roof (10) of an underground road, said securing system comprising a rock bolt (1) to which a mobile attachment device (20) can be secured, said attachment device (20) being connected to the rock bolt (1) so as to be freely rotatable relative to the rock bolt (1).
申请公布号 US2017067340(A1) 申请公布日期 2017.03.09
申请号 US201515122046 申请日期 2015.02.25
申请人 K+S KALI GMBH 发明人 SIELING Wolfgang;RADICK Juergen
分类号 E21D21/00;E21D21/02 主分类号 E21D21/00
代理机构 代理人
主权项 1. A fastening system of a gallery roof of a route section underground, wherein the fastening system comprises a rock bolt and an anchor device configured to be fastened to the rock bolt, wherein the anchor device is configured to be connected with the rock bolt freely pivoting relative to the rock bolt.
地址 Kassel DE