Coating apparatus for capsular coatings

Details Coating apparatus for capsular coatings Coating apparatus for capsular coatings

B - Operations, Transporting

05

C

117/116, 32/55

B05C 1/12 (2006.01) B05D 1/28 (2006.01) B05D 7/24 (2006.01) B41M 5/124 (2006.01)

Patent

CA 1147616

COATING APPARATUS FOR CAPSULAR COATINGS ABSTRACT OF THE DISCLOSURE A metered film of a fluid coating com- position (10) having solids suspended therein, such as a fluid composition containing rupturable micro- capsules, is formed on a doctored gravure supply roll (12) and applied to a soft rubber applicator roll (20). The supply roll (12) transfers the metered coating composition (10) to an endless web (25) which is wrapped and tensioned therearound in substantially uncompressed contact, to transfer the metered coating composition uniformly and evenly to the web (25) without shearing the composition (10) when on the web (25) or mechanically pressing the solids therein into the web.(25)

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