发明名称 Resin embedded rock bolt
摘要 A resin embedded rock bolt dimensioned to be inserted into a hole drilled in a rock body with a clearance fit between the bolt and hole, the bolt having a shank which is plastically deformed by the application of an eccentric shear force to form a paddle protruding beyond the undeformed exterior of the shank prior to deformation, the paddle being shaped to mix the resin.
申请公布号 US2003031525(A1) 申请公布日期 2003.02.13
申请号 US20020201397 申请日期 2002.07.23
申请人 FERGUSSON JEFFREY R. 发明人 FERGUSSON JEFFREY R.
分类号 E21D21/00;F16B13/02;F16B15/00;(IPC1-7):F16B39/02 主分类号 E21D21/00
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