Coater nozzle having means for preventing the plugging thereof,

Details Coater nozzle having means for preventing the plugging thereof, Coater nozzle having means for preventing the plugging thereof,

1997-02-27

2000-02-22

Lamb, Brenda A.

Coating processes

Spraying

Moving the base

118302, 118410, 118419, B05B 1302

Patent

active

060277688

ABSTRACT:
An apparatus and method for preventing plugging of a narrow, slot-orifice-type jet nozzle 6 used in a paper and board coater in which the jet nozzle extends over the entire cross-machine width of the web being coated. The coater has an application chamber 11, a coating mix infeed channel 5 connected thereto and a clot orifice 6 as well as at least one inlet port 13 for feeding the coating mix into the application chamber 11. An easily cleanable strainer element 12 is placed close to the applicator apparatus to separate aggregates of the coating mix that otherwise could plug the slot orifice 6.

REFERENCES:
patent: 3431597 (1969-03-01), Nowak et al.
patent: 3903843 (1975-09-01), Jones
patent: 4489671 (1984-12-01), Choinski
patent: 5226963 (1993-07-01), Shibata et al.

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