Apparatus and method for applying a lubricant to a threaded...

B - Operations – Transporting – 05 – B

Patent

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Details

B05B 13/04 (2006.01) B05B 13/06 (2006.01) B05D 7/24 (2006.01) F16L 15/00 (2006.01)

Patent

CA 2753360

A lubricant application apparatus which can thinly and uniformly apply a highly viscous lubricant on the threaded portion of a threaded joint for pipes comprises a steel pipe support unit 2 which supports a steel pipe P having a pin 8a while rotating the pipe; a lubricant circulation system 3 in which a lubricant 9 having its viscosity adjusted so as to be sprayable is circulated; a metering unit 4a having a metering pump capable of metering the lubricant 9; a lubricant spraying unit 5a having spray guns 19 and 20 for spraying lubricant through nozzles 19a and 20a toward the pin 8a; a spray gun support unit 6 which supports the spray guns 19 and 20 so as to be movable in the axial and/or radial directions of the steel pipe P; and a controlling unit 7 which controls the rotational speed of the steel pipe P by the steel pipe support unit 2 and the speeds of movement of the spray guns 19 and 20 by the spray gun support unit 6.

L'invention porte sur un dispositif d'application de lubrifiant (1), comportant : un dispositif de support de tuyau en acier (2) pour faire tourner et supporter un tuyau en acier (P) ; un système de circulation (3) pour faire circuler un lubrifiant (9) ajusté à une viscosité pouvant être pulvérisée ; un dispositif d'alimentation de quantité fixe (4a) comportant une pompe à débit fixe pour délivrer une quantité fixe du lubrifiant (9) ; un dispositif de pulvérisation de lubrifiant (5a) comportant des pistolets de pulvérisation (19, 20) pour pulvériser le lubrifiant à partir de buses (19a, 20a) ; un dispositif de support de pistolet de pulvérisation (6) pour supporter les pistolets de pulvérisation (19, 20) de telle sorte que les pistolets de pulvérisation peuvent se déplacer dans la direction axiale et/ou la direction radiale du tuyau en acier (P) ; et une unité de commande (7) pour commander à la fois la vitesse de rotation du tuyau en acier (P) est amenée à tourner par le dispositif de support de tuyau en acier (2) et la vitesse de déplacement des pistolets de pulvérisation (19, 20) déplacés par le dispositif de support de pistolet de pulvérisation (6).

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