Method for high speed size application

Details Method for high speed size application Method for high speed size application

1981-01-26

1982-11-09

Silverberg, Sam

Coating processes

Vacuum utilized prior to or during coating

Organic base

427300, 427345, 4274345, 427439, 118405, 118407, 118602, 118612, B05D 300

Patent

active

043584845

ABSTRACT:
A method for the application of a sizing composition or the like to a traveling web under high speed conditions which involves passing the web into the nip formed between two counter-rotating rolls and supplying a sizing composition to the nip to thereby form a pond of sizing material on both sides of the traveling web. Additional amounts of sizing material are constantly being supplied to the ponds by means of a suitable applicator and nozzle arrangement, while the depth of the ponds is controlled continuously by the application of a reduced pressure to the existing ponds resulting in some of the sizing composition being drawn up into the applicator from where it is delivered to a reservoir for further circulation through the applicator.

REFERENCES:
patent: 3051125 (1962-08-01), Ahara et al.
patent: 3647526 (1972-03-01), Barnes

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