Curtain coating method and apparatus and the manufacture of pape

Details Curtain coating method and apparatus and the manufacture of pape Curtain coating method and apparatus and the manufacture of pape

1976-07-27

1978-06-06

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Multi-layer waterlaid webs or sheets

162175, 162186, D21F 1100

Patent

active

040930165

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: 1859652 (1932-05-01), Bullerjahn
patent: 2026594 (1936-01-01), Richter
patent: 2286924 (1942-06-01), Nicholson
patent: 2703760 (1955-03-01), Cunning
patent: 3359941 (1967-12-01), Sible

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