Inkjet cartridge with tubular entrained ink chamber

Details Inkjet cartridge with tubular entrained ink chamber Inkjet cartridge with tubular entrained ink chamber

2005-04-19

2005-04-19

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

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S087000

Reexamination Certificate

active

06880921

ABSTRACT:
An inkjet cartridge for use with a thermal inkjet printer includes a free ink chamber with a tube disposed therein, wherein the tube defines therein an entrained ink chamber. The tube can extend from the top of the free ink chamber to the bottom thereof. The tube is preferably laterally enveloped by the free ink chamber. The tube has an interior surface on which a longitudinal channel can be defined, and wherein the channel can be helical.

REFERENCES:
patent: 5216450 (1993-06-01), Koitabashi et al.
patent: 5509140 (1996-04-01), Koitabashi
patent: 5801737 (1998-09-01), Sato et al.
patent: 5980028 (1999-11-01), Seccombe
patent: 5997121 (1999-12-01), Altfather et al.
patent: 6431698 (2002-08-01), Mou et al.

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