Ink cartridge and ink jet printer

Details Ink cartridge and ink jet printer Ink cartridge and ink jet printer

1997-09-24

2000-08-08

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

060991143

ABSTRACT:
An ink cartridge in accordance with the invention includes a cartridge case. The cartridge case defines an ink supply hole, an air communicating hole, an ink chamber adjacent the ink supply hole and a foam chamber adjacent the air communicating hole. The ink chamber and foam chamber communicate with each other via a communicating section at a lower end of the cartridge case. A porous member for occluding ink is disposed within the foam chamber. An ink filling device supplies ink to the foam chamber via the ink supply hole. A flow regulating member guides the supplied ink upwardly in the ink chamber when the ink is supplied by the ink filling device. Thus, ink can be supplied to the foam chamber efficiently and without leaving air in the ink chamber.

REFERENCES:
patent: 5486855 (1996-01-01), Carlotta et al.

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