Paper coating apparatus and method

D - Textiles – Paper – 21 – H

Patent

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117/105, 32/39

D21H 19/36 (2006.01) B05C 3/18 (2006.01) B05C 11/04 (2006.01) B05D 1/26 (2006.01) B05D 1/42 (2006.01) B05D 7/00 (2006.01) D21H 23/36 (2006.01) D21H 27/30 (2006.01) B05D 1/00 (2006.01)

Patent

CA 1240217

ABSTRACT A method and apparatus is provided for applying to cellulosic sheet material a substantially smooth and level coating, which may be very thin, of a composition containing a relatively high weight percentage of particles that are predominantly of high aspect ratio. According to the invention a trailing blade paper coating apparatus includes a flexible blade mounted so as to be in contact with the web of cellulosic material to be coated at a location upstream of the trailing blade and downstream of the coating applicator.

505301

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