Device for coating a web of material traveling around a backing

Details Device for coating a web of material traveling around a backing Device for coating a web of material traveling around a backing

1990-05-01

1992-06-02

Housel, James C.

Coating apparatus

Solid member or material acting on coating after application

Running length work

118249, 118261, 118410, 118413, B05C 108

Patent

active

051177676

ABSTRACT:
A device for coating a web of material, especially a web of paper or cardboard, that travels around a backing roll, with a coating roll that scoops liquid coating from a chamber and demarcates in conjunction with the backing roll a coating nip, and with a flow-control system including a final flow controller and an initial flow controller upstream thereof in the direction that the web travels in and demarcating in conjunction with the backing roll an initial flow-control nip. The device has a non-resiliently supported initial flow controller that extends into the vicinity of the coating nip and demarcates it in the form of a chamber at the outlet end, whereby the initial flow-control nip remains open to the backing roll and to an outflow channel to the coating roll.

REFERENCES:
patent: 3245377 (1966-04-01), Gettel
patent: 4738877 (1988-04-01), Krautzberger
patent: 4808445 (1989-02-01), Fujiwara et al.
patent: 4876982 (1989-10-01), Claassen
patent: 4887547 (1989-12-01), Sommer et al.

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