A device and a method for rehabilitating conduits

Details A device and a method for rehabilitating conduits A device and a method for rehabilitating conduits

F - Mech Eng,Light,Heat,Weapons

16

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F16L 55/1645 (2006.01) B05B 7/04 (2006.01) B05B 13/06 (2006.01) B05C 7/08 (2006.01) B05D 7/22 (2006.01) B05B 1/04 (2006.01)

Patent

CA 2451390

A polyurethane applicator (10) for spraying at high-pressures a liner on the inner circumferential wall of an existing conduit (C) to be rehabilitated. The applicator (10) includes a carriage (12) coaxially guided in the conduit (C) and an atomizer (16) rotatably mounted to the carriage (12) for rotation about the central axis thereof. The atomizer (16) is provided with a nozzle (62) through which the lining mixture is forced out while the atomizer (16) rotates and travels in conduit with the carriage (12).

La présente invention concerne un applicateur (10) de polyuréthanne utile pour appliquer par pulvérisation à haute pression un revêtement sur la paroi circonférentielle interne d'un conduit existant (C) devant être réhabilité. L'applicateur (10) comprend un support (12) qui est guidé coaxialement dans le conduit (C) et un atomiseur (16) monté rotatif dans le support (12) de manière à tourner autour de l'axe central de ce dernier. L'atomiseur (16) est pourvu d'une tête (62) de distribution par laquelle est propulsé le mélange pour revêtement alors que l'atomiseur (16) tourne et se déplace dans le conduit avec le support (12).

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