Method for lining a pipe or main

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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F16L 55/165 (2006.01)

Patent

CA 2419449

The present invention relates to lining a pipe or main (40) and is particularly directed to the lining of underground gas, water mains or seer pipes. The invention discloses a method comprising providing a liner pipe (20) wit means (81,84) to convey fluid along its outside surface; providing a pipe or main to be lined with a vent (80) to enable fluid to pass through a wall of the pipe or main and passing the liner pipe through the pipe or main to line the pipe or main such that at least a portion of the means to convey fluid along the outside surface of the liner pipe is in fluid communication with the vent in the pipe or main.

La présente invention concerne l'alignement d'un tuyau ou d'une conduite d'adduction (40) et en particulier l'alignement de conduites de gaz souterraines, de conduites d'adduction d'eau ou de conduites de climatisation. Cette invention concerne un procédé qui consiste à prendre un gainage de tuyau (20) à savoir un organe (81, 84) destiné à acheminer un fluide le long de sa surface extérieure, à prendre un tuyau ou une conduite d'adduction à aligner avec une ouverture (80) de façon à permettre au fluide de passer à travers une paroi de ce tuyau ou de cette conduite d'adduction, et à passer le gainage à travers ce tuyau ou cette conduite d'adduction de façon à l'aligner en faisant en sorte qu'au moins une partie de l'organe destiné à acheminer le fluide le long de la surface extérieure de ce gainage soit en communication fluidique avec l'ouverture de ce tuyau ou de cette conduite d'adduction.

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