Assembly for preventing the plugging of a coater nozzle

Details Assembly for preventing the plugging of a coater nozzle Assembly for preventing the plugging of a coater nozzle

D - Textiles, Paper

21

H

D21H 25/00 (2006.01) B05C 5/02 (2006.01) D21H 23/50 (2006.01)

Patent

CA 2198339

The invention relates to an assembly for preventing plugging of a narrow, slot-orifice-type jet nozzle 6 used in a paper and board coater in which jet nozzle extends over the entire cross-machine width of the web being coated, said coater comprising an application chamber (11), a coating mix infeed channel (10) connected thereto and a slot orifice (6) as well as at least one infeed port for feeding the coating mix into said application chamber (11). According to the invention, an easily cleanable strainer element (12) is placed close to the applicator apparatus, said strainer serving to separate aggregates of the coating mix that otherwise could plug the slot orifice (6).

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