Patent ID: 6579366
Filing Date: 2003-06-17
Classification: B05C,D21H

Abstract:
A coating machine for applying a liquid or viscid coating medium onto a moving surface, the moving surface being an outer surface of one of a material web and a transfer element, the material web being one of a paper web and a cardboard web, said coating machine for one of direct and indirect application of the coating medium onto the moving surface, the moving surface being the outer surface of a material web in the case of direct application, the moving surface being the outer surface of a transfer element in the case of indirect application, the moving surface having a feed direction, said coating machine comprising:a discharge nozzle configured for discharging the coating medium onto the moving surface, a feed side of said discharge nozzle being a side of said discharge nozzle facing a portion of the moving surface located upstream of said discharge nozzle relative to the feed direction, a trailing side of said discharge nozzle being a side of said discharge nozzle facing a portion of the moving surface located downstream of said discharge nozzle relative to the feed direction, said discharge nozzle including a first nozzle lip and a second nozzle lip, said first nozzle lip residing on said feed side of said discharge nozzle, said second nozzle lip residing on said trailing side of said discharge nozzle, at least one of said first nozzle lip and said second nozzle lip comprising a blade element, said discharge nozzle including a nozzle gap between said first nozzle lip and said second nozzle lip, at least one of said first nozzle lip and said second nozzle lip is elastic for at least one of increasing and decreasing said nozzle gap.