Process for consecutively coating both sides of web

Details Process for consecutively coating both sides of web Process for consecutively coating both sides of web

1978-08-11

1980-12-23

Pianalto, Bernard D.

Coating processes

Application to opposite sides of sheet, web, or strip

Roller applicator utilized

427348, B05D 100, B05D 500

Patent

active

042411114

ABSTRACT:
A process for consecutively coating both sides of a continuously travelling web, which comprises coating a first coating solution onto a first side of a continuously travelling web to form a coated layer thereon, supplying a second coating solution while the coated layer on the first side of the travelling web is still in a non-dry state, using a bar which is supported by a supporting member and which rotates in contact with the web in the same direction as the travelling direction of the web in such a manner that a liquid pool of the second coating solution is formed immediately before the position where the bar comes into contact with the web while supporting the first coated side of the web with a pressurized gas, and applying the second coating solution to the second side of the web opposite to the first coated side using the bar.

REFERENCES:
patent: 3496005 (1970-02-01), Ishiwata et al.
patent: 3533833 (1970-10-01), Takahashi et al.

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