发明申请
- 专利标题： MANHOLE REPAIRS
- 专利标题（中）： 曼彻斯特维修
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申请号： US12707156申请日： 2010-02-17
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公开(公告)号： US20100209196A1公开(公告)日： 2010-08-19
- 发明人: Paul Harvey
- 申请人： Paul Harvey
- 优先权： GB0902642.8 20090217
- 主分类号： E21D11/00
- IPC分类号： E21D11/00
摘要：
A method and apparatus for repairing manholes with a liner. The liner can be assembled from side plates and connector plates. The liner is conveniently inserted into a damaged manhole, is adjusted, and concrete is poured behind the liner into voids above the manhole brickwork.
信息查询
