Method and apparatus for coating webs

Details Method and apparatus for coating webs Method and apparatus for coating webs

1989-02-27

1990-06-12

Beck, Shrive

Coating processes

Falling curtain of coating material utilized

118 70, 118410, 118411, 118DIG4, B05D 130

Patent

active

049332155

ABSTRACT:
A coating method and apparatus in which a freely falling film of a coating solution is applied to a web moving along a continuously rotating backing roll. The film width is wider than that of the web. The coating solution is removed from the backing roll by a cleansing device such as one that applies a solvent to the backing roll and then suctions the solvent and coating solution from the backing roll.

REFERENCES:
patent: 2155083 (1939-04-01), Drewsen
patent: 2239383 (1941-04-01), Drewsen
patent: 2899339 (1959-08-01), Rakus
patent: 3739745 (1973-06-01), Turpin
patent: 3759220 (1973-09-01), Saito et al.
patent: 4099393 (1978-07-01), Norris et al.
patent: 4197812 (1980-04-01), Clayton

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