B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
B05C 11/04 (2006.01) B05C 11/10 (2006.01) D21H 23/22 (2006.01) D21H 23/36 (2006.01)
Patent
CA 2325698
A coating apparatus is disclosed for applying coating material onto a moving surface. The apparatus includes a housing (16A) which defines a chamber (18A) for the reception therein of the coating material (12A). The housing (16A) also defines an exit slot (20A) for the passage therethrough of the coating material (12A) from the chamber (18A). A shear applying device (28 A-G) is disposed within the chamber for applying shear to the coating material prior to application of the coating material onto the surface (14A). The shear reduces the viscosity of the coating material and maintains a reduced viscosity of the coating material prior to application of the coating material onto the surface so that uniform flow of the coating through the exit slot taken in a cross-machine direction is facilitated.
Dispositif de revêtement pour appliquer un matériau de revêtement sur une surface en mouvement. Le dispositif comprend un boîtier (16A) formant une chambre (18A) pour recevoir le matériau de revêtement (12A). Le boîtier (16A) comprend en outre une fente de sortie (20A) permettant le passage du matériau de revêtement (12A) provenant de la chambre (18A). Un dispositif de cisaillement (28 A-G) est disposé à l'intérieur de la chambre pour cisailler le matériau de revêtement avant son application sur la surface (14A). Le cisaillement diminue la viscosité du matériau de revêtement et maintient cette viscosité à un niveau réduit avant l'application, de manière à faciliter l'écoulement uniforme du matériau à travers la fente de sortie disposée perpendiculairement par rapport au défilement de la surface.
Beloit Technologies Inc.
Metso Paper Inc.
Mitsubishi Heavy Industries Ltd.
Ridout & Maybee Llp
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