Patent ID: 6066208
Filing Date: 2000-05-23
Classification: B05C,D21H

Abstract:
An apparatus for applying a coating liquid to a web moving continuously along a path, the apparatus comprising:a main frame forming an open space and an opening into the space;a main backing roller journaled on the main frame, the web passing around the backing roller;a second frame independent of the main frame and displaceable relative to the main frame and through the opening between a use position in the space juxtaposed with the backing roller to a position pulled out of the main frame, the opening being open transversely to a direction of movement of the web along the path;applicator means includingan applicator element mounted on the second frame and closely juxtaposed with the web in the use position,a supply of the coating liquid mounted on the second frame, anda pump mounted on the second frame circulating the liquid to the applicator element,the applicator means for applying when the second frame is in the use position an excess of the coating liquid to the web; anddosing means downstream along the path from the applicator element when the second frame is in the use position for stripping from the web excess coating liquid and leaving on the web a coating of the liquid of a predetermined thickness.