Ink cartridge

Details Ink cartridge Ink cartridge

1997-10-28

2000-02-01

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

060194634

ABSTRACT:
A removable ink cartridge having a generally rectangular parallelepiped ink container having a top wall with a vent hole, a bottom wall with a recess and an ink supply hole, and side walls with vertical ribs. A larger felt block having a low density is arranged in the chamber and a small felt block having a high density is arranged in the recess. An elastic tubular plug is fitted in the ink supply hole to receive a tubular member of a printing head. The tubular plug has a thin membrane having a central hole the diameter of which is small when the tubular member is not inserted in the tubular plug and is enlarged when the tubular member is inserted in the tubular plug sufficiently to push and to deform the thin membrane.

REFERENCES:
patent: 4436439 (1984-03-01), Koto
patent: 4771295 (1988-09-01), Baker et al.
patent: 5156472 (1992-10-01), Suzuki et al.
patent: 5182581 (1993-01-01), Kashimura et al.

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