Pipe coating apparatus and method

B - Operations – Transporting – 05 – B

Patent

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Details

B05B 5/14 (2006.01) B05B 7/14 (2006.01) B05B 13/02 (2006.01) B05B 13/04 (2006.01) B05D 1/12 (2006.01)

Patent

CA 2454320

An apparatus (10) for and method of coating the outer surface of a non- rotating pipe (22) with a fluid. The apparatus (20) includes a fluid reservoir (24) for containing fluid (26) to be discharged onto the surface of a pipe (22), and a pipe receiving chamber (28) extending through and separate from the fluid reservoir (24). The apparatus further includes a fluid application assembly (30) having a plurality of fluid intake openings (70) positioned in the fluid reservoir for the intake of fluid therefrom. The fluid intake openings (70) are rotatable in a circular pattern within the reservoir (24) about a path extending through the chamber. The assembly has a plurality of fluid discharge outlets (72) in fluid communication with the fluid intake openings and directed towards the path. The fluid discharge outlets (172) are rotatable in unison with the fluid intake openings about the path, whereby fluid entering the fluid intake openings from the reservoir is discharged through the fluid discharge outlets (72) to coat the outer surface of a pipe being conveyed along the path.

L'invention concerne un dispositif (10) et un procédé de revêtement de la surface extérieure d'un tuyau (22) non rotatif à l'aide d'un fluide. Le dispositif (20) comprend un réservoir (24) de fluide contenant un fluide (26) à appliquer sur la surface d'un tuyau (22), et une chambre (28) de réception de tuyau s'étendant à travers ledit réservoir (24) et séparée de celui-ci. Le dispositif comprend en outre un ensemble (30) application de fluide qui comporte une pluralité d'orifices (70) d'entrée de fluide positionnés dans le réservoir de fluide et permettant l'entrée du fluide. Les orifices (70) d'entrée de fluide peuvent tourner selon un motif circulaire à l'intérieur du réservoir (24), par un circuit s'étendant à travers la chambre. L'ensemble comporte une pluralité d'orifices (72) de décharge en communication fluidique avec les orifices d'entrée de fluide et dirigés vers le circuit. Les orifices (72) de décharge peuvent tourner de manière synchrone avec les orifices d'entrée de fluide pour permettre d'appliquer le fluide, qui pénètre dans les orifices d'entrée à partir du réservoir, par les orifices (72) de décharge afin de revêtir la surface extérieure d'un tuyau transporté le long du circuit.

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