发明名称 |
A PLUG AND METHOD FOR ESTABLISHING SUCH PLUG INSIDE A PIPE |
摘要 |
The invention concerns a method for establishing a plug inside a main pipe, in particular a vertically or slantingly arranged pipe, where said pipe has firs and second ends, and where the plug is arranged inside the pipe at a distance from said first and second ends, where a liquid surface is provided at least inside the pipe, below the level at which it is desirable to establish the plug, where a buoyant layer is established on top of said liquid surface, and where a plug material is placed on top of 'said buoyant layer as well as a plug established according to the method. The buoyant layer can be granular, liquid or solid material. The plug is made of foam material, expandable material or cement-based material such as concrete .
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申请公布号 |
WO2006084473(A8) |
申请公布日期 |
2006.11.30 |
申请号 |
WO2006DK00085 |
申请日期 |
2006.02.14 |
申请人 |
DENSIT A/S;MORTENSEN, UFFE;KVIST NIELSEN, BRIAN;HANSEN, BOERGE;MOMME PETERSEN, THURE |
发明人 |
MORTENSEN, UFFE;KVIST NIELSEN, BRIAN;HANSEN, BOERGE;MOMME PETERSEN, THURE |
分类号 |
F16L55/11;E02B17/00 |
主分类号 |
F16L55/11 |
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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