Apparatus for controlling application of excess coating liquid i

Coating processes – Falling curtain of coating material utilized

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118324, 118DIG4, B05D 130, B05C 500

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active

057730938

ABSTRACT:
The subject of the present invention is to control the generation of the contamination of a coating apparatus and web tearing which originate in an excess portion of coating color produced when commencing and terminating the coating in curtain coating. Means for solving the subject described above is a curtain coating apparatus in which a curtain film 5 flowing down vertically from a lip head 3 is allowed to contact a continuously running web 9 to form a coated layer, wherein a receiving pan 1 in which at least a coating plate disposed at the tip thereof can move in the running direction of the web 9 is disposed under the lip head 3; the coating plate 2 is connected with one end of the receiving pan 1; and the tip of the coating plate 2 has a function of being capable of sliding in a contact state with the web 9 in commencing and terminating the coating of the curtain film 5.

REFERENCES:
patent: 3508947 (1970-04-01), Hughes
patent: 4851268 (1989-07-01), Kozak
patent: 4922851 (1990-05-01), Morikawa et al.
patent: 5017408 (1991-05-01), Kozak
patent: 5143759 (1992-09-01), Saito et al.
patent: 5206057 (1993-04-01), Finnicum et al.
patent: 5413818 (1995-05-01), Suga et al.

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