Device for monitoring the PH of water based inks

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Automatic analytical monitor and control of industrial process

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Details

422 8204, 324438, 204433, G01N 2100, G01N 27416, G01N 2726

Patent

active

052020924

ABSTRACT:
A device for automatically and continually monitoring the pH characteristic of a water based printing ink which uses a housing for a pH probe, which housing is placed in a flow line through which such ink is flowing, the housing having a main channel for ink flow and a recessed channel into which a pH probe member is inserted. A baffle is provided to direct a portion the flowing ink into the recessed channel in contact with the probe to continually monitor the pH of the flowing ink. A portion of the ink remains in the recessed channel when ink flow is stopped so that the probe surface is covered by the remaining ink and cannot dry out and reduce or destroy the effectiveness of the probe.

REFERENCES:
patent: 3899294 (1975-09-01), Magiros
patent: 4151255 (1979-04-01), Capuano et al.
patent: 4239493 (1980-12-01), Niemi et al.
patent: 4329649 (1982-05-01), Scoates
patent: 4415858 (1983-11-01), Hale
patent: 4447775 (1984-05-01), Breuker et al.
patent: 4609874 (1986-09-01), Reich
patent: 4762796 (1988-08-01), Weber et al.

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