Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Reexamination Certificate
2008-02-14
2010-10-05
Luu, Matthew (Department: 2861)
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
C347S085000
Reexamination Certificate
active
07806519
ABSTRACT:
The invention provides for a refill unit for a printer cartridge having an operatively, negatively pressurized ink reservoir. The refill unit includes an ink bag housed within a docking assembly for docking with the printer cartridge. Also included is a valve actuator shaped and configured to actuate an outlet valve of the ink reservoir into a closed position and thereafter to actuate an inlet valve of the ink reservoir into an open position when the docking assembly docks with the cartridge. The refill unit also includes constrictor actuators engageable with the cartridge and configured to increase pressure in the ink bag during ink flow from the ink bag to the ink reservoir, and to permit a re-establishment of negative pressure in the ink reservoir upon disengagement of the refill unit from the cartridge. Further included is an integrated circuit with a plurality of projecting contacts readable by an integrated circuit reader of the cartridge when the docking assembly is engaged therewith to facilitate verification of suitability of the ink in the ink bag.
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Berry Norman Micheal
Hibbard Christopher
Jackson Garry Raymond
Mackey Paul Ian
Nakazawa Akira
Goldberg Brian J
Luu Matthew
Silverbrook Research Pty Ltd
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