发明名称 |
PROCESS AND DEVICE FOR LINING A PIPE, IN PARTICULAR A SEWER PIPE |
摘要 |
Device and process for lining a damaged pipe, such as a sewer pipe by drawing an inflatable inner tube (4,9) or airtight and watertight material into the sewer pipe, which inner tube is surrounded by one or more lengthwise extending chambers into which a hardening material is pumped following the inflation of the inner tube.
|
申请公布号 |
CA2006819(A1) |
申请公布日期 |
1991.06.28 |
申请号 |
CA19892006819 |
申请日期 |
1989.12.28 |
申请人 |
KONINKLIJKE WEGENBOUW STEVIN B.V. |
发明人 |
SPEE, PAULUS R.;VOS, JANNES |
分类号 |
B29C63/26;B29C63/34;F16L55/162;(IPC1-7):B29C63/26 |
主分类号 |
B29C63/26 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|