B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
B05C 1/04 (2006.01) B05C 1/08 (2006.01) B05C 11/02 (2006.01) B05D 1/28 (2006.01) D21H 23/32 (2006.01)
Patent
CA 2507988
A doctor method and apparatus is disclosed and includes a doctor roll (12) supported in a coater (1) suitable for applying coating to a paper web surface or a roll surface (4) for subsequent transfer to the paper web. The doctor includes a doctor roll (12), a support (11) for the doctor roll (12), a front support (3) for holding the roll support (11) and a rear support or retainer (18) cooperates with and helps stabilize the support (11) and doctor roll (12). The present invention minimizes the variation moving of the doctor roll (12) has on the coating on the moving surface (4), be it web or roll, and thus can improve coating quality.
L'invention concerne un procédé et un appareil à racle comprenant un rouleau racle (12) monté dans une coucheuse (1) apte à l'application d'un couchage sur la surface d'une bande de papier ou sur une surface de rouleau (4) destiné à être ensuite transféré sur la bande de papier. La racle comprend un rouleau racle (12), un support (11) pour le rouleau racle (12), un support avant (3) destiné à tenir le support (11) de rouleau et un support ou élément de retenue arrière (18) coopère avec le support (11) et le rouleau racle (12) et contribue à les stabiliser. La présente invention réduit au minimum le mouvement de variation que le rouleau racle (12) a sur le couchage sur la surface mobile (4), que ce soit la bande ou le rouleau, et permet ainsi d'améliorer la qualité du couchage.
Ridout & Maybee Llp
Stora Enso North America Corp.
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