Apparatus for forming a uniform liquid film on a roller

Details Apparatus for forming a uniform liquid film on a roller Apparatus for forming a uniform liquid film on a roller

1976-11-17

1979-04-17

McIntosh, John

Coating apparatus

With heat exchange, drying, or non-coating gas or vapor...

With solid heat exchange means contacting work

432 60, B05C 1100, G03G 1320

Patent

active

041494857

ABSTRACT:
Liquid is applied onto the circumference of a transfer roller by an applicator and thereby onto the circumference of an operating roller. The coefficients of friction in the apparatus are selected so that the transfer roller will be rotated by the operating roller to pick up liquid from the applicator when the thickness of the liquid on the transfer roller is below a selected value, and the transfer roller is prevented from rotating by the applicator when the thickness of the liquid slightly exceeds the selected value so that a uniform liquid film is applied onto the circumference of the operating roller.

REFERENCES:
patent: 1080959 (1913-12-01), Eaton
patent: 2337747 (1943-12-01), Grobecker
patent: 2482636 (1949-09-01), Peterson et al.
patent: 2770215 (1956-11-01), Knight
patent: 3227080 (1966-01-01), Hill
patent: 3268351 (1966-08-01), Van Dorn
patent: 3291466 (1966-12-01), Aser et al.
patent: 3331592 (1967-07-01), Cassano et al.
patent: 3718116 (1973-02-01), Thettu
patent: 3796183 (1974-03-01), Thettu
patent: 3809854 (1974-05-01), Sanders
patent: 3883291 (1975-05-01), Cloutier et al.

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