Patent ID: 6368459
Filing Date: 2002-04-09
Classification: D21H

Abstract:
A method for coating a web of paper or board comprising:passing the web through a coater where a coat layer is applied to a first side of the web, the web being supported by a belt in the coater; passing the web from the coater through a first dryer where moisture is removed from the web, the first dryer comprising an air-cushion cylinder and a wire positioned to support a second side of the web so that the first side of the web faces the air-cushion cylinder; and passing the web from the first dryer through a second dryer where moisture is removed from the web, the second dryer comprising at least one smooth-surfaced dryer cylinder, at least one air-impingement dryer cylinder and a support wire, the wire being positioned to support the web so that the coated first side of the web wraps about a portion of a surface of the at least one smooth-surfaced dryer cylinder and so that the web wraps about a portion of a surface of the at least one air-impingement dryer cylinder, wherein drying gas is blown against the web as the web passes about the at least one air-impingement dryer cylinder.