Device for internal coating of pipes

B - Operations – Transporting – 05 – B

Patent

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Details

B05B 13/06 (2006.01)

Patent

CA 2211005

The invention relates to a device for the internal coating of pipes, in particular coolant pipes of vapour condensers and heat exchangers, with plastics. Said device has a supply unit for feeding and forwarding coating material, an application unit for applying the coating material fed by the supply unit, and a control unit for monitoring and controlling the supply with coating material and the application of said coating material to internal pipe walls. The application unit has guide tubing with a mouthpiece mountable on the pipe to be coated, and an application tubing conveyed in the guide tubing, insertable through the mouthpiece into the pipe to be coated and having an application nozzle.

L'invention concerne un dispositif pour revêtir avec des matières plastiques l'intérieur de tuyaux, notamment de tuyaux pour réfrigérants utilisés dans des condenseurs et des échangeurs de chaleur. Ledit dispositif comprend une unité d'alimentation (V) pour l'acheminement et le transfert du matériau de revêtement, une unité d'application (A) pour l'application du matériau de revêtement acheminé par l'unité d'alimentation, ainsi qu'une unité de commande pour surveiller et commander l'alimentation en matériau de revêtement et l'application dudit matériau sur les parois intérieures des tuyaux. L'unité d'application (A) présente un tube de guidage (21) avec un embout (29) pouvant être monté sur le tuyau à revêtir, et un tube d'application (18) guidé dans le tube de guidage (21) et pouvant être introduit dans le tuyau à revêtir à travers l'embout (29), ledit tube d'application comportant une buse d'application (30).

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