Method for the coating of sewer pipes including apparatus for carrying out the method
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United States of America Patent
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-
Apr 25, 2000
Grant Date -
N/A
app pub date -
Sep 11, 1998
filing date -
Sep 11, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method as well as a respective apparatus for lining pipes and ducts are suggested, wherein a flexible tube is introduced in turning up manner into a pipe having respective openings at the pipe access end and the pipe terminal end. Here, prior to the turning up operation, a traction means is led through the flexible tube and the pipe and is secured to the flexible tube access end, wherein the flexible tube with the terminal end of the flexible tube is joined to the pipe access end and the traction means is automatically or distance-controlled pulled from the pipe access end by means of a motor winch. Here, the pipe by using turning up the flexible tube is lined therewith. The method is particularly suited for lining pipes and ducts having a plurality of pipe bends or angles.
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