Method and apparatus for replenishing an ink cartridge

Details Method and apparatus for replenishing an ink cartridge Method and apparatus for replenishing an ink cartridge

1991-08-27

1994-01-18

Fuller, Benjamin R.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346140R, 141 1, 141 2, 141 18, 141 98, B41J 2175

Patent

active

052803007

ABSTRACT:
The invention relates generally 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. A mass of porous capillary material disposed in an ink supply passageway provides a capillary valve which prevents flow of ink when one side of the valve is unwetted.

REFERENCES:
patent: 4119034 (1978-10-01), Wax
patent: 4149172 (1979-04-01), Heinzl et al.
patent: 4496959 (1985-01-01), Frerichs
patent: 4503443 (1985-03-01), Dagna et al.
patent: 4689641 (1987-08-01), Scardovi et al.
patent: 4931811 (1990-06-01), Cowger et al.
patent: 4959667 (1990-09-01), Kaplinsky

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