Disposable ink supply and nozzle system using a simple pump

Details Disposable ink supply and nozzle system using a simple pump Disposable ink supply and nozzle system using a simple pump

1974-08-26

1976-06-01

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346 75, G01D 1518

Patent

active

039613372

ABSTRACT:
An ink supply system for an ink jet recorder wherein ink is emitted by a nozzle and impinges on a sheet of paper. An open-cell-foam-filled container supplies ink to a tube-shaped pump chamber which holds at least enough ink to print one page of copy. The tube is squeezed in such a manner as to deliver ink at a substantially constant pressure to the nozzle, which forms the jet. Ink emitted by the nozzle but not impinging on the paper is returned to the container. A check valve prevents ink from returning from the tube-shaped pump chamber to the foam-filled container except via the nozzle. Release of the squeezed tube draws ink from the foam-filled container into the tube-shaped pump chamber.

REFERENCES:
patent: 1635977 (1927-07-01), Ranger
patent: 1941001 (1933-12-01), Hansell
patent: 3169821 (1965-02-01), Miller
patent: 3185998 (1965-05-01), Bussey et al.
patent: 3247519 (1966-04-01), Sihvonen
patent: 3296624 (1967-01-01), Ascoli
patent: 3335424 (1967-08-01), Hartai
patent: 3441950 (1969-04-01), Miller
patent: 3641588 (1972-02-01), Metz
patent: 3708118 (1973-01-01), Keur
patent: 3761953 (1973-09-01), Helgeson
patent: 3831727 (1974-08-01), Kruspe et al.
Videojet M9600 Printer Technical Description, A. B. Dick Company, Chicago, Ill., 1971, 12 pages.

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