Coating apparatus

Details Coating apparatus Coating apparatus

1978-09-07

1980-09-16

McIntosh, John P.

Coating apparatus

Projection or spray type

Flexible web or strand work

118DIG4, B05C 500

Patent

active

042223431

ABSTRACT:
Coating apparatus for producing multiple coatings on photographic bases wherein a layer of the coating material flows over each of two slideways which slope downwardly in a V form. An intermediate element is disposed in the flow gap bounded by the two slideways. The discharge edges of the slideways and of the intermediate element are disposed at substantially the same level. At this level the various layers of liquid combine to form a multilayer curtain which falls on to a base passing below to form a multiple layer thereon. The intermediate element can be a slot pourer so that the coating material issuing from its slot combines with the coating compositions supplied from the slideways.

REFERENCES:
patent: 3443277 (1969-06-01), Frielingsdorf
patent: 3973062 (1976-08-01), Fahrni
patent: 4019906 (1977-04-01), Ridley
patent: 4041897 (1977-08-01), Ade
patent: 4152387 (1979-05-01), Cloeren

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