B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
32/47
B05C 1/08 (2006.01) B41F 31/02 (2006.01)
Patent
CA 1215826
ABSTRACT OF THE DISCLOSURE A reverse doctor blade assembly dispenses and applies a liquid such as ink or an adhesive to the sur- face of a rotating transfer roll. The assembly has a reservoir chamber which is sealed at its ends by re- silient end seals which are pressed against correspond- ing seal support rings held in stationary, sliding rela- tion at the ends of the rotating transfer roll. The reverse doctor blade assembly further includes opposing detachable brackets which support two spaced doctor blades in fixed relation to the reservoir chamber. The brackets may be easily disengaged to replace the doctor blades. The reservoir chamber of the assembly has a longitudinal internal groove which is employed to direct liquid within the reservoir to evenly wet the surface of the rapidly rotating transfer roll. The assembly further includes a liquid inlet line and vertically ad- justable liquid outlet lines which are positioned to provide an optimum level of wetting liquid within the reservoir and a constant flow of liquid within the reservoir.
484031
La Valliere Wayne
Schommer David L.
Printco Industries Ltd.
Ridout & Maybee Llp
LandOfFree
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