Liner and method for lining a pipeline

Details Liner and method for lining a pipeline Liner and method for lining a pipeline

B - Operations, Transporting

29

C

B29C 63/36 (2006.01) F16L 55/165 (2006.01) B29C 59/00 (2006.01)

Patent

CA 2324307

The invention relates to a liner comprising a flexible material (1) with means adapted to increase the surface area thereof, and adhesive/sealant (2) and a release tape (3) with reinforcing strips (4). An example of a means of adapting the surface, whereby strips of adhesive/sealant (5) are applied to the release tape and then the flexible material (1) applied and compacted to form the profile. The liner is then formed into a tube. It may then be folded into a cruciform shape. An end elevational view of a folded liner in a pipe (6) prior to application of the pipe.

La présente invention concerne une garniture intérieure comprenant un matériau flexible (1) pourvu de moyens conçus pour augmenter la superficie de ce matériau, et adhésif ou un matériau d'étanchéité (2), ainsi qu'une bande décollable (3) et des bandes de renfort (4). L'invention concerne notamment un moyen d'adaptation de surface consistant à appliquer des bandes d'adhésif ou de matériau d'étanchéité (5) sur la bande décollable, puis à appliquer le matériau flexible (1) et à le compacter pour former le profil. Il ne reste plus qu'à former la garniture intérieure en tube. Elle peut ensuite être pliée selon une forme cruciforme. L'invention concerne enfin une vue en élévation d'une extrémité d'une garniture intérieure pliée dans un tuyau (6) avant application dans le tuyau.

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