Patent ID: 6277197
Filing Date: 2001-08-21
Classification: B05C,D21H

Abstract:
An apparatus for one of direct and indirect application of at least one coating medium onto a traveling fiber material web, said apparatus comprising:a rotating backing roll having a backing roll surface and a direction of rotation, said backing roll being configured for one of receiving the medium in the indirect application and carrying the fiber material web in the direct application; andan applicator associated with said backing roll surface, said applicator including:a substantially cylindrical coating doctor bar;a second substantially cylindrical doctor bar disposed before said coating doctor bar relative to said direction of rotation; anda single rigid doctor bed having first and second protruding end sections and a recessed portion therebetween, said first protruding end section and said second protruding end section directly and rotatably carrying said coating doctor bar and said second doctor bar, respectively, said doctor bed retaining each of said coating doctor bar and said second doctor bar against said backing roll surface, said coating doctor bar, said second doctor bar, said backing roll surface, said protruding end sections and said recessed portion defining a coating chamber for the medium therebetween, said recessed portion having therein at least one feed line configured for feeding the medium to said coating chamber.