| 发明名称 |
Rehabilitation of water supply pipes |
| 摘要 |
A water supply pipe has a tubular liner of a polyolefin elastomer/plastomer installed therein. To install it, a messenger pig is attached to a line that pulls the liner through the pipe. The liner is produced by extrusion and die drawing during extrusion.
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| 申请公布号 |
US6857451(B1) |
申请公布日期 |
2005.02.22 |
| 申请号 |
US20030674393 |
申请日期 |
2003.10.01 |
| 申请人 |
SUEZ LYONNAISE DES EAUX |
发明人 |
CONNOR RAYMOND;DANIELS SIMON |
| 分类号 |
B29C47/00;B29C63/34;F16L55/165;(IPC1-7):F16L55/16 |
主分类号 |
B29C47/00 |
| 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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