Method and device for coating of a moving base

Details Method and device for coating of a moving base Method and device for coating of a moving base

B - Operations, Transporting

05

D

B05D 1/40 (2006.01) B05C 11/02 (2006.01) B05C 11/04 (2006.01) D21H 25/10 (2006.01)

Patent

CA 2067996

The invention concerns a method for coating of a moving base, such as the face of a back-up roll, paper or board web, or equivalent, with a coating agent. In the method, a blade coater is employed in which a coating blade included in the blade coater and installed in a blade holder is loaded in the area between the blade holder and the tip of the coating blade 'toward the moving base by means of a loading member. The coating blade forms a substantially small angle in relation to the moving base. The coating quantity applied onto the moving base is regulated by adjusting the blade angle and/or the loading of the coating blade. The coating blade is loaded towards the moving base, in the area between said loading member and the tip of the coating blade. The coating blade is additionally loaded by a second loading member so that the loading produced by the second loading member prevents separation of the tip of the coating blade from the layer of coating agent formed on the moving base so as to prevent cavitation in the area of the tip of the coating blade. The invention also concerns a device that makes use of the method.

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