Patent ID: 6099909
Filing Date: 2000-08-08
Classification: D21H

Abstract:
A coating device for coating a size-press roll, paper, board or a surface of a moving object, comprisinga large-diameter revolving coating bar resting against a moving base having a machine width, said coating bar extending substantially along the machine width and having a tubular shape, a hollow interior, a diameter of at least about 18 mm and grooves on an outer surface thereof, said grooves opening in a direction toward said moving base,a cradle for supporting said coating bar substantially over its entire length, andmeans for applying a coating agent onto said moving base in advance of said coating bar in a running direction of said moving base,said coating bar being structured and arranged to meter the coating agent onto said moving base, said grooves have a variable depth and/or spacing arrangement such that a desired loading profile is obtained.