Patent ID: 6626127
Filing Date: 2003-09-30
Classification: B05C,D21H

Abstract:
A device for the application of a liquid medium onto at least one side of a moving cardboard web, comprising:at least one roll disposed proximate to and defining a liquid sump with the cardboard web, said liquid sump having a surface and containing a portion of the liquid medium; and at least one feed device disposed proximate to said at least one roll, said feed device including a nozzle body having at least two walls substantially parallel to each other defining a metering slot therebetween, and at least two nozzle lips spaced apart to form a nozzle opening therebetween at an end of said at least two nozzle lips, at least one of said at least two nozzle lips being adjustably connected with a corresponding one of said at least two walls such that said liquid medium traverses said metering slot to said nozzle opening, said nozzle opening being disposed in said liquid sump, said nozzle lips being configured to adjust a size of said surface of said liquid sump by varying at least one of shape of said nozzle lips, size of said nozzle lips and mounting of said nozzle lips to said at least two walls, said nozzle lips having a length, said nozzle lips being adjustably immersed in said liquid sump up to approximately 80% of said length.