Apparatus for refilling ink cartridges

Details Apparatus for refilling ink cartridges Apparatus for refilling ink cartridges

1994-10-13

1997-04-15

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

056214456

ABSTRACT:
The invention generally relates to refillable ink cartridges for computer controlled ink jet printers and, more specifically, to apparatus for refilling collapsible ink bags which are maintained at sub-atmospheric pressure within such equipment. The refilling apparatus includes a fluid bridge located between the reservoir holding replenishment ink and the ink cartridge. The fluid bridge may contain either a purge valve and/or a priming valve that prevent air bubbles from being introduced into the ink bag and from obstructing the flow of replenishment ink.

REFERENCES:
patent: 5280300 (1994-01-01), Fong et al.

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