Coating apparatus having an internal leveling blade

Details Coating apparatus having an internal leveling blade Coating apparatus having an internal leveling blade

1981-09-02

1983-01-25

McIntosh, John P.

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118413, B05C 502

Patent

active

043697313

ABSTRACT:
An applicator for applying a film of coating material on a web of moving paper carried through an application zone and having a coater blade for doctoring the material on the web as it exits the zone, includes an internal leveling blade within the application zone. The leveling blade divides the application zone into leading and lagging coating material application chambers, and levels the material applied on the web in the leading chamber as the web moves into the lagging chamber. The leveling blade produces a pressure and shear point of coating material to paper so as to cause coating penetration and filling of voids and valleys in the paper, and the coater blade then levels and meters the film of fresh coating applied on the web in the lagging chamber to complete the process.

REFERENCES:
patent: 2038607 (1936-04-01), Sauer
patent: 4009657 (1977-03-01), Bonanno et al.
patent: 4250211 (1981-02-01), Damrau et al.

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