Process and device for lining pipes, in particular for...

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

Patent

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Details

F16L 55/162 (2006.01) F16L 55/1645 (2006.01) F16L 55/26 (2006.01)

Patent

CA 2163673

A process is disclosed for lining a pipe (2), in particular for sanitation purposes. In a first step, a foil or woven material (13a-13c; 113a-113d) is introduced into the pipe (2). An inner lining which covers the area to be lined of the pipe (2) may be created on site from said foil or woven material in the pipe (2) itself. In a second step, the foil or woven material (13a-13c; 113a-113d) is applied in the radial and/or axial direction on the area to be lined of the inner wall of the pipe (2), and in a third step the foil or woven material (13a-13c; 113a-113d) applied on the inner wall of the pipe (2) to be lined and impregnated with a hardenable medium is hardened.

Selon un procédé de chemisage de tuyau (2), notamment à des fins sanitaires, on introduit pendant une première étape un matériau tissé ou sous forme de feuille (13a-13c; 113a-113d) dans le tuyau (2). Un revêtement intérieur qui recouvre la zone à revêtir du tuyau (2) peut être produit sur place avec ledit matériau tissé ou sous forme de feuille dans le tuyau (2) lui-même. Pendant une deuxième étape du procédé, le matériau tissé ou sous forme de feuille (13a-13c; 113a-113d) est appliqué dans le sens radial et/ou axial sur la zone à revêtir de la paroi interne du tuyau (3) et, pendant une troisième étape du procédé, le matériau tissé ou sous forme de feuille (13a-13c; 113a-113d) appliqué sur la paroi interne du tuyau (2) à revêtir et imprégné d'une substance durcissable est durci.

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