Multiple coating of a moving web, of paper/cardboard, uses a slide die applicator for the under coating and a curtain coater with a different medium for the upper coating

摘要

The applicator to apply a number of coatings to a moving web (2), of paper or cardboard and the like, applies one layer (L1) of a coating medium (M1) as an under layer (7a) using a slide die applicator (3). At least one further covering coating layer (7b), with a different coating medium (M2), is applied by a curtain coating unit (4).