Ink cartridge

Details Ink cartridge Ink cartridge

2007-08-07

2007-08-07

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

10841462

ABSTRACT:
Provided is an ink cartridge. The ink cartridge includes a first chamber, which retains ink and communicates with a print head, a second chamber with an air vent, a third chamber, which includes a first end communicating with the first chamber and a second end communicating with the second chamber and is filled with a porous member creating a negative pressure by capillary action, and selective permeable member installed at the air vent, which allows inflow of air and prevents outflow of the ink.

REFERENCES:
patent: 4771295 (1988-09-01), Baker et al.
patent: 5489932 (1996-02-01), Ceschin et al.
patent: 6474797 (2002-11-01), Kurata et al.
patent: 6490792 (2002-12-01), Ishinaga et al.
patent: 6723147 (2004-04-01), Mashiko et al.
patent: 6840610 (2005-01-01), Taniguchi et al.
patent: 08-323988 (1996-12-01), None
patent: 2003-182101 (2003-07-01), None

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