Ink filling apparatus and method for filling ink cartridges

Details Ink filling apparatus and method for filling ink cartridges Ink filling apparatus and method for filling ink cartridges

1993-08-16

1996-01-02

Jacyna, J. Casimer

Fluent material handling, with receiver or receiver coacting mea

Absorption and/or immersion

141 2, 141329, 141 80, 141 18, 3461401, 347 85, B41J 2175

Patent

active

054799686

ABSTRACT:
An ink filling apparatus for filling ink cartridges with a quantity of ink. The ink filling apparatus includes ink injecting members or needles to inject ink into an ink saturating material or wicking medium contained in the ink cartridges. A compression member compresses the ink saturating medium while ink is injected into the saturating medium. A vent cover covers a vent tube in the ink cartridge and directs the flow of pressurized air or gas through the vent tube to prevent ink from entering the vent tube during the ink filling operation. A piston pump delivers a specific quantity of ink to the ink filling apparatus to accurately fill each ink cartridge.

REFERENCES:
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patent: 4321953 (1982-03-01), Grothoff
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patent: 4633923 (1987-01-01), Hinzmann
patent: 4699054 (1987-10-01), Scrudato
patent: 4804550 (1989-02-01), Bardsley et al.
patent: 4968998 (1990-11-01), Allen

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