Method and apparatus for coating both sides of a moving web, usi

Details Method and apparatus for coating both sides of a moving web, usi Method and apparatus for coating both sides of a moving web, usi

1976-08-24

1978-02-28

Lusignan, Michael R.

Coating processes

Application to opposite sides of sheet, web, or strip

427211, 427356, 427361, 118404, 118405, 118407, 118413, B05D 312

Patent

active

040768651

ABSTRACT:
A method and apparatus for coating both faces of a moving web, such as a paper web in which the web is fed longitudinally at a speed in excess of 200 meters per minute and a coating material is applied to each face of the web, and is smoothed out by means of two blades, one on each face of the web. The blades are formed with a bevel at the point of contact with the web, the width of this bevel measured in the direction of movement of the web is at most 0.08 centimeters and the angle of the blade with respect to the web is less than 25.degree.. Preferably the blades are urged against the web with a force not exceeding 0.20 kgf. per centimeter width of web.

REFERENCES:
patent: 3070066 (1962-12-01), Faeber
patent: 3484279 (1969-12-01), Clark et al.

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