Apparatus for coating a moving web

Details Apparatus for coating a moving web Apparatus for coating a moving web

1978-02-06

1980-09-16

McIntosh, John P.

Coating apparatus

With vacuum or fluid pressure chamber

118407, 118410, B05C 318, B05C 1104

Patent

active

042223423

ABSTRACT:
A coating composition is applied to a paper web while the web passes over an opening in a box in which a partial vacuum is maintained. The opening is divided into two sections by means of a support member disposed perpendicular to the direction of travel of the web. The coating composition is applied to the web in the downstream section of the opening, and the upstream section is considerably greater in area than the downstream section to create a tension on the web and thereby eliminate unstretched areas in the web.

REFERENCES:
patent: 2344232 (1944-03-01), Campbell et al.
patent: 3474757 (1969-10-01), Dreher
patent: 4102299 (1978-07-01), Wallsten
patent: 4125641 (1978-11-01), Wallsten
patent: 4136635 (1979-01-01), Johansson et al.

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