Roll-coating machine for application of staining colors onto...

Details Roll-coating machine for application of staining colors onto... Roll-coating machine for application of staining colors onto...

B - Operations, Transporting

05

C

B05C 1/08 (2006.01) D21H 23/34 (2006.01) D21H 23/40 (2006.01)

Patent

CA 2090064

ROLL-COATING MACHINE FOR APPLYING STAINING COLORS ONTO A PAPER WEB ABSTRACT OF THE DISCLOSURE The invention concerns a roll-coating machine for the application of staining colors onto a paper web, including: a coating roll that rotates in a staining color pool; a trough retaining the color pool and having a staining color inlet, a guide wall with a first overflow edge, and an overflow channel for a first overflow stream; a mating roll that rotates in a direction opposite to that of the coating roll and with it forms an inlet gusset and an outlet gusset; and a drawbar that has a second overflow edge on its downstream end for a second overflow stream, a bypass channel for division of the second overflow stream and having a valve, and a restrictor defined by the drawbar in cooperation with the paper web.

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