Fountain control system

Details Fountain control system Fountain control system

1980-10-23

1983-05-24

Knowles, Allen N.

Printing

Multicolor

Inkers

101364, 210172, B41F 3102

Patent

active

043845231

ABSTRACT:
In a reservoir for use in treating a solution fed thereto, the improvement comprising: an overflow system, said system including: an overflow stand-pipe in the reservoir for use in skimming solution in the reservoir and removing the same therefrom; and a sensor in the reservoir for use in detecting the solution level in the reservoir and for controlling the introduction of further solution into the reservoir, thereby to control the amount of solution skimmed into the stand-pipe. In a proportioner for use in metering and dispensing specified proportions of additives, for example into a solution, the proportioner including conduit apparatus for receiving and mixing at least two solution feed supplies fed thereto, the improvement comprising: a metering pump connected to a selected one of said solution feed supplies, for metering the flow therefrom. A method of treating, including cleaning, the fountain solution of the units of printing presses while the presses are in operation including where inks of different colors are used on respective units of the presses, comprising the steps of: feeding solution to be treated from the presses and respective units thereof to a single reservoir having a stand-pipe overflow drain; and controlling the level of solution in the reservoir so as to skim-off solution containing the matter to be removed from the solution to be treated, while recirculating solution to the presses, by controllably replenishing proportioned solution in the reservoir, the proportioned solution being provided by the method as defined above.

REFERENCES:
patent: 2582753 (1952-01-01), Herbelleau
patent: 2678733 (1954-05-01), Reeves
patent: 2755933 (1956-07-01), Profit
patent: 3103763 (1963-09-01), Malchair
patent: 3131710 (1964-05-01), Ludwig et al.
patent: 3347416 (1967-10-01), Hamilton
patent: 3616923 (1971-11-01), Haley
patent: 3675771 (1972-07-01), McKee
patent: 3799396 (1974-03-01), Ashmead et al.
patent: 3804297 (1974-04-01), Jurjans
patent: 3869067 (1975-03-01), Ashmead et al.
patent: 3894690 (1975-07-01), Hill
patent: 3925926 (1975-12-01), Shigeo

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