发明名称 |
REPLACEMENT MANHOLE COVER ASSEMBLY |
摘要 |
A replacement manhole cover assembly for an existing manhole having a fixed frame around the periphery of the manhole, the frame having an upper horizontal lip essentially flush with the surrounding pavement and a lower horizontal shelf, wherein the replacement manhole cover assembly includes an annular skirt selectively removable on the lower horizontal shelf of the frame, the skirt having a vertical extension terminating at a lower horizontal shelf for supporting a manhole cover made of composite material.
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申请公布号 |
CA2230740(A1) |
申请公布日期 |
1998.09.05 |
申请号 |
CA19982230740 |
申请日期 |
1998.03.03 |
申请人 |
RAMCO OF INDIANA |
发明人 |
YOUNG, JAMES E.;MEYER, ROY E. |
分类号 |
E02D29/14;(IPC1-7):E02D29/14 |
主分类号 |
E02D29/14 |
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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