Ink container, ink jet recording apparatus, ink filling...

Details Ink container, ink jet recording apparatus, ink filling... Ink container, ink jet recording apparatus, ink filling...

2006-08-30

2009-12-08

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S006000, C347S007000, C347S086000

Reexamination Certificate

active

07628478

ABSTRACT:
An ink cartridge is formed with an ink outlet, which is connected to an ink jet type recording head through an ink supply path. Ink filling openings are formed around the ink outlet. To refill the ink cartridge with ink, the ink filling openings are connected through an ink filling tube to an ink supply tank. A pump mechanism first reduces pressure inside the ink supply tank, to suck ink residue out of the ink cartridge through the ink filling openings and collect the ink residue into the ink supply tank. Thereafter, the pump mechanism applies pressure to ink in the ink supply tank, to send the ink from the ink supply tank through the ink filling tube and the ink filling openings into the ink cartridge.

REFERENCES:
patent: 6260961 (2001-07-01), Seu et al.
patent: 6419349 (2002-07-01), Iwanaga et al.
patent: 2002-200774 (2002-07-01), None

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