Process and apparatus for applying liquid, pasty or foamy substa

Details Process and apparatus for applying liquid, pasty or foamy substa Process and apparatus for applying liquid, pasty or foamy substa

1987-03-17

1988-09-27

Lusignan, Michael R.

Coating processes

Application to opposite sides of sheet, web, or strip

Roller applicator utilized

118216, 118223, 118224, 118227, 427428, B05D 128, B05D 500, B05C 100

Patent

active

047741074

ABSTRACT:
The invention relates to a process and apparatus for applying liquid, pasty or foamy substances to both sides of webs of material. To prevent any adverse effect on the web of material or the applied substances, application is performed by means of a pair of S-rolls 7,11 at a looping angle just enough for the application, the web of material being guided substantially straight. The two applicator rolls 7,11 are disposed as close as possible to one another immmediately upstream of the drier inlet 1. At least one of the applicator rolls 11 can be moved out of the operating position, to enable the web of material to be drawn in unimpeded.

REFERENCES:
patent: 2199228 (1940-04-01), Obenshain et al.
patent: 2383964 (1945-09-01), Grupe
patent: 3843389 (1974-10-01), Enomoto
patent: 4384544 (1983-05-01), Weishew

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