Ink cartridge

Details Ink cartridge Ink cartridge

2006-05-30

2009-12-22

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

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

07635180

ABSTRACT:
An ink cartridge includes a cartridge case enclosing an ink chamber; a path extending from the ink chamber to an exterior of the ink cartridge; a valve member provided in the path, the valve member having a first state in which communication between the ink chamber and the exterior of the ink cartridge along the path is permitted and a second state in which communication between the ink chamber and the exterior of the ink cartridge along the path is prevented; and an urging member provided on an ink chamber-side of the valve member in the path, the urging member being capable of urging the valve member along the path toward the exterior of the cartridge. The urging member is formed of a resin or rubber material having elasticity; and when the valve member is in the first state, the urging member is compressed in a direction of the path.

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