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

1974-05-01

1977-03-08

McIntosh, John P.

Coating processes

Solid particles or fibers applied

Uniting particles to form continuous coating with...

118 60, 427278, 427366, 432 60, B05C 1100, G03G 1320

Patent

active

040113531

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), VanDorn
patent: 3291466 (1966-12-01), Aser et al.
patent: 3718116 (1973-02-01), Thettu
patent: 3796183 (1974-03-01), Thettu

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