发明名称 Dowel device for grouting in a drillhole
摘要 A dowel device for resin grouting, comprising a dowel with a wedge member located in an opening formed in the insertion end whereby an end portion is radially expanded and flared outwardly. The invention also includes a method of reinforcing a hard medium and a method of providing an anchorage in a hard medium.
申请公布号 US4167359(A) 申请公布日期 1979.09.11
申请号 US19780922355 申请日期 1978.07.06
申请人 IMPERIAL CHEMICAL INDUSTRIES LIMITED 发明人 BEVERIDGE, ROBERT L. W.
分类号 E21D20/02;F16B13/14;(IPC1-7):E21D20/02 主分类号 E21D20/02
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