Repairing pipe, method for repairing pipe lines therewith...

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 63/34 (2006.01) B29C 63/00 (2006.01) F16L 55/165 (2006.01)

Patent

CA 2140925

The present invention provides a repairing pipe to be used in pipe lines such as gas conduits, water supply lines and sewer lines, chiefly those buried in the ground, for the purpose of repairing the pipe lines. More particularly, the present invention relates to a repairing pipe comprising a rigid pipe formed of a thermoplastic and a tubular woven fabric and a method for repairing or reinforcing a pipe line with the repairing pipe. Furthermore, the present invention relates to a method for removing the repairing pipe in its collapsed form out of the pipe line, for example when the repairing pipe installed in the pipe line has become superannuated or it has been collapsed for some reason or other to impair the function of the pipe line and hence it is desired to reline the pipe line.

L'invention concerne un tuyau de réparation utilisé pour réparer un conduit et placé, à cet effet, à l'intérieur de celui-ci, ledit conduit étant principalement un conduit enterré tel qu'une conduite de gaz, une conduite d'eau ou un égout. Plus particulièrement, l'invention concerne un tuyau de réparation constitué d'un tuyau dur en résine thermoplastique et d'un tissu tubulaire, ainsi qu'un procédé permettant de réparer ou de renforcer un conduit au moyen dudit tuyau de réparation. L'invention concerne également un procédé permettant de retirer un tuyau de réparation endommagé d'un conduit, dans le but de rechemiser le conduit, lorsque le tuyau de réparation se trouvant dans le conduit est trop vieux ou qu'il a été écrasé d'une certaine façon et qu'il ne peut donc plus assurer sa fonction.

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