Large capacity ink cartridge

Details Large capacity ink cartridge Large capacity ink cartridge

1995-05-04

1998-02-24

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2305

Patent

active

057215774

ABSTRACT:
An improved ink cartridge comprising an ink chamber, a pressure relief chamber coupled to the ink chamber, and at least one air bleed hole coupling the pressure relief chamber to the ink chamber, the air bleed hole having a capillary dimension for creating a negative pressure on any ink in the air chamber. The pressure relief chamber is positioned below the ink chamber, the ink chamber including an opening to couple the ink cartridge to an ink head, the opening including an automatic shutoff valve, and the air bleed hole is positioned at the bottom of the ink chamber.

REFERENCES:
patent: 4025928 (1977-05-01), Hou et al.
patent: 5010354 (1991-04-01), Cowger et al.
patent: 5425478 (1995-06-01), Kotaki et al.

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