Nozzle applicator for application of coating color on a paper we

Details Nozzle applicator for application of coating color on a paper we Nozzle applicator for application of coating color on a paper we

1993-02-17

1994-08-23

Ball, Michael W.

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118419, 118 50, 427294, B05C 318

Patent

active

053404025

ABSTRACT:
A coating system for application of coating color on a paper web. A roll is wrapped by the paper web, and a nozzle feeds coating color to the paper web. The nozzle includes an overflow slat, a dosing slat, and an application zone. The application zone is preceded by a slat extending across the web width and forming with the paper web a gap space extending in the direction of web travel. The slat features an edge which is located at the entrance of the paper web to the gap space. The slat features an air guide surface which starts at the edge, scrapes off the air film clinging to the paper web and deflects it away from it. The slat further features an air guide channel starting at the gap space and ending in the area of the air guide surface.

REFERENCES:
patent: 4738877 (1988-04-01), Krautzberger
patent: 4880671 (1989-11-01), Sollinger et al.
patent: 4995399 (1991-02-01), Tobisawa et al.

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