发明名称 |
Apparatus for flood protection of manholes and access covers |
摘要 |
An apparatus for flood protection of a manhole (10) comprises a vertical pipe slidably mounted for vertical movement within the casing of a manhole (20), and a seal (52) adapted to seal between the pipe and the casing. The pipe has at least one buoyant portion (40, 42) such that the pipe (30) rises vertically as the buoyant portion (40, 42) rises. |
申请公布号 |
GB2407113(A) |
申请公布日期 |
2005.04.20 |
申请号 |
GB20050001226 |
申请日期 |
2003.08.13 |
申请人 |
* MEIKLEWALL LIMITED;* MITSUI BABCOCK ENERGY LIMITED;* THE UNIVERSITY COURT OF THE UNIVERSITY OF PAISLEY;* SCOTTISH WATER |
发明人 |
ALEXANDER BRUCE * WILSON;FIONA * MEIKLE;MARTIN GREGORY * MANSELL;ALASTAIR * WRIGHT |
分类号 |
E02D29/12 |
主分类号 |
E02D29/12 |
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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