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

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

B - Operations, Transporting

05

C

117/115, 32/44

B05C 11/04 (2006.01) B05C 9/04 (2006.01) B05D 1/42 (2006.01)

Patent

CA 1070187

ABSTRACT OF THE DISCLOSURE 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 metres 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 centimetres and the angle of the blade with respect to the web is less than 25°. Preferably the blades are urged against the web with a force not exceeding 0.20 kgf. per centimetre width of web. - 1 -

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