公开(公告)号：EP3080396A2

公开(公告)日：2016-10-19

申请号：EP14865001.3

申请日：2014-12-11

申请人： NCM Innovations (pty) Ltd

发明人： CAWOOD, Martin ,  PASTORINO, Paolo Ettore ,  VAN DER MERWE, Phillipus ,  DU PLESSIS, Samuel

IPC分类号： E21D20/02 ,  E21D21/00

CPC分类号： E21D20/021 ,  E21D20/02 ,  E21D20/023 ,  E21D20/028 ,  E21D21/0006 ,  E21D21/0026 ,  E21D21/004 ,  E21D21/0046 ,  E21D21/008 ,  E21D21/0086

摘要： A rock bolt includes an elongate metallic body having a first end and an opposed second end, a threaded portion at the second end, for attaching thereto and locating thereon, a nut and a bearing plate, a mechanical anchor at, or at least partially located on, a first end portion of the body and a first resistive anchor, located between the threaded portion and the mechanical anchor.