Patent ID: 6471776
Filing Date: 2002-10-29
Classification: B05C,D21H

Abstract:
An apparatus for applying a coating composition containing a liquid resin and fine-grain abrasive material to a continuous paper web, said apparatus comprising:a guide roller around which said web is looped so that said web has a coating-receiving surface extending arcuately around said guide roller; a metering roller parallel to said guide roller and having a surface juxtaposed with said surface of said web across a narrow gap; a slit nozzle juxtaposed with one of said surfaces for delivering said composition over a width of the web, said composition passing through said gap and forming a coating on said coating-receiving surface of said web; and an equalizing device for rendering said coating uniform, said equalizing device including at least one structured roller juxtaposed with said coating-receiving surface downstream of said gap and having a helical rib structure.