Bulk ink delivery system and method

Details Bulk ink delivery system and method Bulk ink delivery system and method

1995-09-28

1998-05-12

Tso, Edward

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

057513198

ABSTRACT:
A device and method for automatically replenishing ink to an ink cartridge is described. A supply ink reservoir is connected via a tubing device to a print ink container in the ink cartridge. The supply ink reservoir supplies ink to the cartridge while ink is being printed out of the print head of the cartridge. In one described embodiment, the supply ink reservoir is part of an ink container bottle that also includes a replenishing ink reservoir positioned above the supply ink reservoir. The replenishing and supply ink reservoirs communicate with each other through a passage which is controlled by a floating valve mechanism positioned within the supply ink reservoir. Thus, the floating valve mechanism is arranged to control the fluid level in supply ink reservoir at a substantially constant level. Thus, the print ink container is feed at a substantially constant pressure head, which facilitates good quality printing.

REFERENCES:
patent: 4658273 (1987-04-01), Yuki et al.
patent: 5189438 (1993-02-01), Hine et al.
patent: 5369429 (1994-11-01), Erickson
patent: 5469201 (1995-11-01), Erickson et al.
patent: 5489925 (1996-02-01), Brooks et al.
patent: 5629727 (1997-05-01), Erickson

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