Ink tank

Details Ink tank Ink tank

1993-07-02

1995-09-26

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

054537711

ABSTRACT:
An ink cartridge for the ink jet printer has a cartridge housing having a storeroom and an adjustment room therein separated by a bulkhead. The bulkhead extends vertically at the center of the cartridge housing, and has a lower part thereof with a connection opening extending therethrough. The connection opening communicates the storeroom with the adjustment room. The storeroom is airtight except for the connection opening. The adjustment room has an upper part with an air hole communicating the adjustment room with the atmosphere and a lowest part with a feed pocket for feeding ink to a printing head. Fiber-like materials impregnated with ink are filled inside the adjustment room, these materials having a part thereof that extend to the bottom of the storeroom through the connection opening. The fiber-like materials comprise a plurality of felt blocks that have different fiber densities, the felt blocks being arranged so that the closer the felt blocks are to the feed pocket, the greater the fiber density of the felt blocks.

REFERENCES:
patent: 5155502 (1992-10-01), Kimura et al.
patent: 5182581 (1993-01-01), Kashimura et al.
patent: 5233369 (1993-08-01), Carlotta et al.
patent: 5289212 (1994-02-01), Carlotta

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