Patent ID: 6709517
Filing Date: 2004-03-23
Classification: B05C,Y10S

Abstract:
An apparatus for coating a web running in a travel direction, the apparatus comprising:means including a slot nozzle for forming a free-falling curtain of coating liquid extending transversely of the direction and dropping on the web; means including two inner splitters spaced transversely of the direction for splitting off outer portions of the curtain such that the coating liquid is applied to the web over a coating width equal to a transverse spacing of the inner splitters; two outer splitters spaced transversely of the direction underneath the nozzle outside the inner splitters, the inner and outer splitters having upper edges that intercept the curtain, the inner-splitter upper edges being below the outer-splitter upper edges; and respective inner and outer troughs immediately outside the inner and outer splitters, positioned to catch the coating liquid split off the curtain by the respective inner and outer splitters, and shaped to channel the caught coating liquid parallel to the direction.