Method and apparatus for controlling dampening water for use in

Details Method and apparatus for controlling dampening water for use in Method and apparatus for controlling dampening water for use in

1977-10-13

1979-03-27

Adee, John

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

101147, 210 71, 210 96R, 210104, 210149, 210179, C02B 130, B01D 3502

Patent

active

041464745

ABSTRACT:
A method and apparatus for controlling dampening water utilized to form a thin film on the printing roll of the type, wherein the dampening water is circulated through the printing machine and a water tank, the level and temperature of the dampening water being maintained at definite values. Furthermore the pH value of the dampening water is measured and an acid or alkali is added to the dampening water in accordance with the result of the measurement so as to control the pH value at a definite value.

REFERENCES:
patent: 444013 (1891-01-01), Paddock
patent: 2063140 (1936-12-01), Allison
patent: 3170868 (1965-02-01), Atkinson
patent: 3947356 (1976-03-01), Werhli

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