Web coating apparatus and method

Details Web coating apparatus and method Web coating apparatus and method

B - Operations, Transporting

05

C

32/54

B05C 1/08 (2006.01) B05C 9/04 (2006.01) G03F 7/16 (2006.01)

Patent

CA 1104812

ABSTRACT OF THE DISCLOSURE A moving essentially non-porous web is positioned in tangent operative relation with a relatively smooth surfaced coating roll to receive a film of coating solution therefrom. The web and the outer surface of the coating roll move in opposite directions. Coating solution is furnished to the coating roll by a gravure roll. Cells of the latter are filled with solution from a pool formed through the cooperation of a doctor blade and the cellular outer surface of the gravure roll. There may be arranged in mirror image relationship with those elements described a duplicate set of elements including a coating roll, gravure roll and doctor blade. The web passes between the coating rolls so that both surfaces of the web may be coated simultaneously. A single drying or curing station for the web may be arranged downstream of the coating rolls. .

272517

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