Improvements relating to the lining of pipelines and...

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

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F16L 55/162 (2006.01) B29C 63/28 (2006.01) F16L 55/165 (2006.01) F16L 55/179 (2006.01)

Patent

CA 2170162

The invention provides a tailored assembly of a flexible resin absorbent material (22, 24, 26). It is in the form of a "T" and is of tubular cross section. The anns of the T are intended to lie on the surface of a main underground pipe which the leg of the T extends into a lateral pipe which connects with the main pipe. The whole assembly is soaked in curable synthetic resin and it is placed in position and held there whilst the resin cures by means of an inflatable bag (28) which is located inside the assembly and is also tailored to T configuration.

L'invention se rapporte à un ensemble spécialement adapté d'un matériau absorbant en résine souple (22, 24, 26). Cet ensemble a la forme d'un "T" et présente une section tubulaire. Les bras du T sont agencés pour reposer sur la surface d'une canalisation principale souterraine, la jambe du T s'étendant dans un tuyau latéral qui est relié à la canalisation principale. L'ensemble tout entier est trempé dans une résine synthétique thermodurcissable, dans laquelle il est installé et maintenu en position pendant le durcissement de la résine au moyen d'un sac gonflable (28) disposé à l'intérieur de l'ensemble et conçu spécialement pour avoir une configuration en T.

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