Curtain coating apparatus for the manufacture of paperboard

Details Curtain coating apparatus for the manufacture of paperboard Curtain coating apparatus for the manufacture of paperboard

1974-06-07

1976-11-16

Kellogg, Arthur D.

Paper making and fiber liberation

Apparatus

With coating or impregnating means

162119, 162299, 162322, D21H 110, D21H 300

Patent

active

039922529

ABSTRACT:
A coating of liquid starch is applied to a travelling paper web by an application comprising an elongate hollow box structure having a horizontal slot outlet along one side. Starch solution is forced from the chamber horizontally through the slot outlet then flows downwardly under gravity across an upright wall surface to establish a falling curtain of the starch solution. The wall surface terminates at a bottom blade edge and the curtain falls away from the surface at the blade edge to drop onto the paper web.

REFERENCES:
patent: 1889020 (1932-11-01), Grogan et al.
patent: 2286924 (1942-06-01), Nicholson

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