Systems and methods for making pipe liners

Details Systems and methods for making pipe liners Systems and methods for making pipe liners

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 55/165 (2006.01) B29C 63/10 (2006.01)

Patent

CA 2589973

A liner (12) for pipe, the liner comprising a first layer (10) comprising a hollow cylinder of polymeric material, a second layer (20) comprising wrap material, the wrap material wrapped around the first layer, a third layer (30) comprising wrap material wrapped around the second layer, the liner (12) having a first end spaced apart from a second end, at least one strengthener member (40) on the liner and extending from the first end to the second end of the liner, the liner (12) comprising a stand-alone structure.

La présente invention concerne un manchon (12) de tuyau, le manchon comprenant une première couche (10) comprenant un cylindre creux de matière polymère, une deuxième couche (20) comprenant de la matière roulée, la matière roulée étant enroulée autour de la première couche, une troisième couche (30) comprenant de la matière roulée enroulée autour de la deuxième couche, le manchon (12) ayant une première extrémité espacée d'une deuxième extrémité, au moins un élément de renforcement (40) situé sur le manchon et s~étendant de la première extrémité vers la deuxième extrémité du manchon, le manchon (12) comprenant une structure autonome.

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