B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
117/15, 282/22
B41M 5/10 (2006.01) B41M 5/124 (2006.01)
Patent
CA 1041378
ABSTRACT OF THE DISCLOSURE Microcapsule coated sheet material for use in pressure sensitive copying systems is produced by a method which comprises forming an aqueous coating composition containing microcapsules, particulate stilt material and a binder, foaming the coating composition, applying the foamed composition to a web of sheet material, and metering the composition on the web to a desired coating weight by means of a metering member, for example a blade which preferably is flexible, in contact with the coating composition on the web. The foamed composition is preferably applied to the web by means of a fountain applicator.
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