Coating apparatus – Immersion or work-confined pool type – Work-confined pool
Patent
1993-09-02
1995-08-08
Jones, W. Gary
Coating apparatus
Immersion or work-confined pool type
Work-confined pool
118256, 118413, 118419, B05C 104
Patent
active
054395208
ABSTRACT:
The invention relates to an applicator for coating webs of paper or cardboard, with a backing roll for supporting the web at least in the area of the applicator, and with a nozzle for supplying coating mixture. The nozzle is connected to or integrated with a support beam. A guide surface has an angular, sharp parting edge on the end of the guide surface and is attached to the support beam. The guide surface--toward the parting edge --steadily approaches the shell surface of the backing roll, while in the area of the parting edge deviating at an angle between 0.degree.-10.degree. from the tangential direction of the backing roll existing adjacent the parting edge. The guide surface and the backing roll define an applicator gap in which a hydrodynamic pressure prevails.
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Edwards Laura E.
Jones W. Gary
Voith Sulzer Papiermaschinen GmbH
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