发明名称 |
Apparatus for everting a lining material |
摘要 |
An apparatus for everting and inserting a pipe-lining material to rehabilitate an underground pipeline comprises an everting nozzle that is disposed so that an opening thereof faces an opening of the pipeline. The pipe-lining material is brought un-everted up to the everting nozzle and attached to the nozzle opening thereof and fluid pressure is applied inside the pipe-lining material to evert and insert it in the pipe-extending direction of the pipeline to be rehabilitated. Eversion of the pipe-lining material is started at the location of the pipeline opening and the pipe-lining material remains flat without being everted in a curved portion where the travel direction of the pipe-lining material changes toward the pipeline opening. This allows no considerable friction to be generated at the curved portion and the pipe-lining material to be smoothly and reliably everted and inserted into the affected pipeline.
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申请公布号 |
US2010150659(A1) |
申请公布日期 |
2010.06.17 |
申请号 |
US20100658382 |
申请日期 |
2010.02.05 |
申请人 |
KAMIYAMA TAKAO;KANETA KOJI;FUJII KENJI;GOTO RYOICHI |
发明人 |
KAMIYAMA TAKAO;KANETA KOJI;FUJII KENJI;GOTO RYOICHI |
分类号 |
F16L55/18 |
主分类号 |
F16L55/18 |
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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