Method for coating a paper or board web

Details Method for coating a paper or board web Method for coating a paper or board web

1997-09-18

1999-11-02

Pianalto, Bernard

Coating processes

Direct application of electrical, magnetic, wave, or...

Electrostatic charge, field, or force utilized

4272555, 427424, 427478, 427482, 427600, B05D 140

Patent

active

059766352

ABSTRACT:
A method for coating a paper or board web or the like (7) using a coating mix aerosol generated by means of an ultrasonic atomizer. The output power of a plurality of ultrasonic transducers (15) disposed proximate to a surface of the moving web (7) is passed via a vibrated beam (14) to a coating mix flow (2) flowing proximate to the web (5). Ultrasonic vibrations applied to the coating mix atomize the upper layer of the coating mix flow into an aerosol (11) which is emitted toward the web (7) and adheres thereto.

REFERENCES:
patent: 5024856 (1991-06-01), Hohnerlein
patent: 5540384 (1996-07-01), Erickson et al.
patent: 5582348 (1996-12-01), Erickson et al.

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