Ink cartridge and wet-type electrophotographic image forming...

Details Ink cartridge and wet-type electrophotographic image forming... Ink cartridge and wet-type electrophotographic image forming...

2005-08-10

2008-10-14

Meier, Stephen D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S085000

Reexamination Certificate

active

07434924

ABSTRACT:
An ink cartridge and a wet-type electrophotographic image forming apparatus having the ink cartridge, wherein the ink cartridge is detachably mounted with respect to an image forming apparatus body and supplies a developing unit with ink. The ink cartridge includes a housing including an inflow inlet into which the ink flows, and an inflow inlet opening and closing unit for operating together with the image forming apparatus body such that when the housing is mounted in the image forming apparatus body the inflow inlet is opened, and when the housing is removed from the image forming apparatus body the inflow inlet is closed. The inflow inlet opening and closing unit includes a moving member installed in the housing so as to move in first and second directions, at least one expanding tube bag installed in the inflow inlet for expanding and/or shrinking, depending on an inflow amount of liquid, to open and/or close the inflow inlet, and a liquid feeding unit for selectively feeding the liquid to and withdrawing the liquid from the at least one expanding tube bag depending on a movement direction of the moving member.

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patent: 2006/0034640 (2006-02-01), Kim et al.
patent: 10-2000-0032859 (2000-06-01), None
patent: 10-2000-0060356 (2000-10-01), None
patent: 10-0350982 (2001-08-01), None

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