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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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