Refilling device for ink cartridge of a jet printer

Details Refilling device for ink cartridge of a jet printer Refilling device for ink cartridge of a jet printer

1997-12-31

2000-12-12

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

061588482

ABSTRACT:
A refilling device for an ink cartridge of a jet printer, including a rubber piece with a refilling hole aligned with an air vent of the maze passage glued to the ink cartridge. To refill ink, the refilling hole of the rubber piece must be in alignment with and connected with the mouth of the ink bottle. The ink in the bottle can be injected into the ink chamber of the ink cartridge by squeezing the ink bottle. As soon as the squeezing is released, the air in the ink chamber will be sucked into the ink bottle, and such squeezing and releasing can be repeated until the ink is completely injected. The ink bottle is removed and the air therein squeezed out. The ink bottle is re-connected with the refilling hole of the ink cartridge again to suck out the air left in the ink cartridge so as to furnish a negative pressure in the ink cartridge. When the hollow ink bottle is removed, the negative pressure in the ink cartridge will prevent leakage of the ink.

REFERENCES:
patent: 5329294 (1994-07-01), Ontawar et al.
patent: 5526030 (1996-06-01), Baldwin et al.
patent: 5933175 (1999-08-01), Stathem et al.

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