Patent ID: 6613386
Filing Date: 2003-09-02
Classification: B05C,D21H

Abstract:
A method for one of direct and indirect application of a coating medium onto a traveling fiber material web having a first side and a second side, said method comprising the steps of:supporting the first side of the web with at least one rotatable backing roll such that the web wraps partly around said at least one rotatable backing roll, said at least one rotatable backing roll and the first side of the web defining a cuneiformly tapering entrance gore and an exit gore; coating the second side of the web at a coating point with the coating medium by using at least one applicator opposing said at least one rotatable backing roll and configured for at least one of applying the coating medium onto the second side of the web and treating the second side of the web the second side of the web, said coating point opposing said at least one backing roll; and removing a first air boundary layer entrained by at least one of said at least one rotatable backing roll and the first side of the web, said removing step being performed at at least one removal point by at least one first air boundary stripper disposed and directed between said at least one rotatable backing roll and the first side of the web within said entrance gore, before said coating point.