| 摘要 |
The invention relates to a method for installing at least one pipe line and/or an empty conduit (2) in supply and sanitation pipes (1) which have already been laid, especially in sewer pipe systems or networks and similar. According to said method, the pipe lines and/or empty conduits being laid are introduced into the pipe (1) and fixed to its wall. The invention is characterised in that a tube- or hose-shaped inner lining (3, 16) is inserted/drawn into the pipe which is already laid and at least one flexible empty conduit and/or a pipeline (2) are arranged in the area of its outer surface. |
