B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
B05C 5/02 (2006.01) D21H 23/50 (2006.01) D21H 25/10 (2006.01)
Patent
CA 2105750
ABSTRACT OF THE DISCLOSURE 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°-10° 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.
J.m. Voith Gmbh
Mccarthy Tetrault Llp
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