发明名称 Sewer pipe section
摘要 A pipe section for lining sewer pipelines along with a system of such pipe sections and method of lining a sewer pipeline are provided. The pipe section has a first end portion having a spigot. A protective ring is mounted around the spigot for transferring a load to the pipe section for axially moving the pipe section within a sewer pipeline. A second end portion of the pipe section is designed for surrounding the spigot of an adjacent pipe. A seal is formed is formed around the spigot for sealing with the second end portion of the adjacent pipe section.
申请公布号 US6920900(B2) 申请公布日期 2005.07.26
申请号 US20030394830 申请日期 2003.03.21
申请人 AMERON INTERNATIONAL CORPORATION 发明人 FRIEDRICH RALPH S.
分类号 E03F3/04;F16L21/035;F16L55/165;(IPC1-7):F16L55/16 主分类号 E03F3/04
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