Inkjet cartridge

Details Inkjet cartridge Inkjet cartridge

2005-12-12

2008-11-11

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

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

07448740

ABSTRACT:
An inkjet cartridge having a plurality of ink reservoirs and a plurality of nozzle rows without variations in lengths of ink flow paths communicating the ink reservoirs with the nozzle rows. An inkjet cartridge includes a tank part having a plurality of ink reservoirs and a head part having nozzle rows, each nozzle row having a plurality of nozzles from which ink supplied from the tank part is ejected. Each of ink supply ports provided in each of the ink reservoirs is communicated with a predetermined nozzle row via an ink flow path, and the plurality of ink reservoirs are formed by dividing an internal space of the tank part into equal parts on a plane perpendicular to an ink ejection direction while lengths of a plurality of ink flow paths are the same.

REFERENCES:
patent: 4672432 (1987-06-01), Sakurada et al.
patent: 4771295 (1988-09-01), Baker
patent: 5926195 (1999-07-01), Domhoff
patent: 6019465 (2000-02-01), Shinada et al.
patent: 6260961 (2001-07-01), Seu
patent: 6286932 (2001-09-01), Hirano
patent: 6347864 (2002-02-01), Silverbrook et al.
patent: 6729713 (2004-05-01), Shirakawa
patent: 6812953 (2004-11-01), Peterson et al.

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