Ink cartridge

Details Ink cartridge Ink cartridge

1994-08-19

1998-04-21

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

057423091

ABSTRACT:
An ink cartridge for supplying ink to a recording head includes a vacuum producing material accommodating portion for accommodating a vacuum producing material; an ink containing portion for containing ink, adjacent the material accommodating portion, with which the ink containing portion is in fluid communication through an opening at a bottom portion; an ink supply opening for permitting supply of the ink, in the material accommodating portion; an inward projection in the ink containing portion; and the projection is not less than 0.2 mm away from a boundary between the material accommodating portion and the ink containing portion.

REFERENCES:
patent: 3967286 (1976-06-01), Andersson et al.
patent: 4794409 (1988-12-01), Cowger et al.
patent: 5051759 (1991-09-01), Karita et al.
patent: 5155502 (1992-10-01), Kimura et al.
patent: 5182581 (1993-01-01), Kashimura et al.
patent: 5502479 (1996-03-01), Ishinaga et al.

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