Tiny air-pressure balance device between an ink cartridge...

Details Tiny air-pressure balance device between an ink cartridge... Tiny air-pressure balance device between an ink cartridge...

2008-04-29

2008-04-29

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

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S086000

Reexamination Certificate

active

07364281

ABSTRACT:
A tiny air-pressure balance device between an ink cartridge and an ink bottle, in which the ink cartridge is connected with an ink tube extended to one side of the printer; every ink tube is connected with the outlet of the ink bottle; the upper part of the ink bottle is mounted with a balance device, in which a tiny air-pressure check valve is mounted so as to have a tiny air enter for balancing the pressure in the ink bottle upon the printer printing words or drawings, and to prevent the water in the ink bottle from volatilizing away.

REFERENCES:
patent: 4992802 (1991-02-01), Dion et al.
patent: 6017118 (2000-01-01), Gasvoda et al.
patent: 6719418 (2004-04-01), Chou et al.

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