Ink jet collection system

Details Ink jet collection system Ink jet collection system

1978-07-03

1980-01-15

Hartary, Joseph W.

Recorders

Record receiver deforming

346140R, G01D 1518

Patent

active

041841670

ABSTRACT:
A system for ink jet printing to collect ink unused during the printing process, and recycle the ink solvent to be reintroduced in the system. The ink stream, after breakup into individual droplets, is selectively charged in a charging tunnel and then passes between a deflection electrode and a collection electrode. The charged droplets are electrostatically deflected to the porous wall of the collection electrode, where they are absorbed. A vacuum pump draws the absorbed droplets into a collection container, which vaporizes the ink solvent and mixes it with air. The solvent-laden air passes through a filter, and is forced through the wall of the deflection electrode in order to control the drying of stray ink drops between the two electrodes.

REFERENCES:
patent: 3596275 (1971-07-01), Sweet
patent: 3761953 (1973-09-01), Helgeson
patent: 3839721 (1974-10-01), Chen

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