Ink tank system for ink jet printer

Details Ink tank system for ink jet printer Ink tank system for ink jet printer

1998-09-03

2000-04-11

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

347 85, B41J 2175

Patent

active

060480556

ABSTRACT:
There is provided an ink tank system for supplying ink to a print head of an ink jet printer from a replaceable ink tank by pressurizing inside of the ink tank with pressurized air. By disposing an air filter in an air supply channel of the ink tank, dust is prevented from entering the ink tank together with air, and the ink is prevented from adhering to the air filter, thereby keeping smooth ink force-feeding. At the time the ink tank is mounted, a seal releasing pin protruded on the side of a printer unit opens an auxiliary seal for sealing between the air filter in the air supply channel and an air chamber of the ink tank. After the ink tank is mounted, the pressurized air is passed through the air filter and fed into the ink tank. A replaceable ink tank used in the system is also provided.

REFERENCES:
patent: 4558326 (1985-12-01), Kimura et al.
patent: 5479968 (1996-01-01), Sanchez et al.
patent: 5485187 (1996-01-01), Okamura et al.
patent: 5917526 (1999-06-01), Wilson et al.
patent: 5949459 (1999-09-01), Gasvoda et al.

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