B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
B05C 5/02 (2006.01) B05C 3/18 (2006.01) D21H 23/34 (2006.01) B05C 11/04 (2006.01)
Patent
CA 2081143
ABSTRACT OF THE DISCLOSURE The invention concerns a coating device with a doctor element for smoothing and dosing the coating mixture and with a chamber for receiving fresh coating mixture, said chamber extending along a support beam of the coating device and having in both cases a length which essentially equals the length of the doctor element, with a feed channel of same length provided which feeds the coating mixture to an applicator space located at the web or at a backing roll (C) serving to carry such web. Within the channel there are provided a spoiler bar aligned parallel to the longitudinal direction of the doctor element, or a row of butting spoiler bars with ribs and slots alternating in the direction of this longitudinal extension, or with projections which in or bar with a continuous row of holes, the spoiler bars or projections reducing the channel cross section before or after the bar or projections by at least 30% of the channel cross section.
J. M. Voith G.m.b.h.
Mccarthy Tetrault Llp
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