发明名称 |
IMPROVED SEWER PIPE SECTION |
摘要 |
A pipe section (10) for lining sewer pipelines along with a system of such pipe sections and method of lining a sewer pipeline are provided. The pipe section (10) has a first end portion (14) having a spigot (20). A protective ring (26) is mounted around the spigot (20) for transferring a load to the pipe section (10) for axially moving the pipe section within a sewer pipeline. A second end portion (16) of the pipe section is designed for surrounding the spigot of an adjacent pipe (18). A seal (22) is formed is formed around the spigot for sealing with the second end portion (16) of the adjacent pipe section (18). |
申请公布号 |
WO03083227(A2) |
申请公布日期 |
2003.10.09 |
申请号 |
WO2003US08879 |
申请日期 |
2003.03.21 |
申请人 |
AMERON INTERNATIONAL CORPORATION;FRIEDRICH, RALPH, S. |
发明人 |
FRIEDRICH, RALPH, S. |
分类号 |
E03F3/04;F16L21/035;F16L55/165 |
主分类号 |
E03F3/04 |
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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