Ink recharger for inkjet print cartridge having sliding valve co

Details Ink recharger for inkjet print cartridge having sliding valve co Ink recharger for inkjet print cartridge having sliding valve co

1996-03-14

1998-05-12

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

347 86, 347 87, B41J 2175

Patent

active

057513201

ABSTRACT:
An ink refill system is described for engaging a print cartridge's refill valve and transferring ink to the ink reservoir. The ink refill system has a slideable valve with a female connector portion which is engageable with a male connector portion of a print cartridge valve. To recharge the print cartridge ink reservoir, the end of the print cartridge valve is inserted into the end of the ink refill system valve to create both a mechanical coupling and a fluid tight coupling between the two valves. A further force pushing the print cartridge against the ink refill system causes both valves to be pushed inside their respective ink reservoirs. This further insertion causes both valves to become open, thus creating an airtight fluid path between the ink refill system reservoir and the depleted print cartridge reservoir. The negative pressure within the print cartridge ink bag draws the ink from the ink refill system reservoir into the ink bag until the ink bag is substantially full. The print cartridge is then removed from the ink refill system, automatically closing both valves.

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