Method and apparatus for coating paper and the like

Details Method and apparatus for coating paper and the like Method and apparatus for coating paper and the like

1984-01-16

1985-05-28

Lusignan, Michael R.

Coating processes

With post-treatment of coating or coating material

Vacuum or reduced pressure utilized

427362, 427366, 427428, 118 50, 118 60, 118244, 118643, B05D 312, B05D 128, C23C 1308, B05B 500

Patent

active

045200483

ABSTRACT:
Paper, paperboard or like permeable board is coated with a coating material and aqueous carrier liquid metered over the face thereof and a partial vacuum applied to the opposite surface as the coating is dried by heating. The vacuum improves the surface smoothness of the coating. The coating can be contacted with a casting surface and dried at a faster rate than if no vacuum were applied.

REFERENCES:
patent: 2252204 (1941-08-01), Westbrook
patent: 2325798 (1943-08-01), Porter
patent: 2934467 (1960-04-01), Bergstein
patent: 3110612 (1967-11-01), Gottwald et al.
patent: 3330688 (1967-07-01), Halsey et al.
patent: 3600215 (1971-08-01), Mervine
patent: 4287280 (1981-09-01), Swift
patent: 4396390 (1983-08-01), Hendrix et al.

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