Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Patent
1998-06-12
1999-04-27
Le, N.
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
B41J 2175
Patent
active
058984518
ABSTRACT:
A method for ink-jet printing including providing a collapsible ink reservoir structure to facilitate assembly of a replaceable or refillable printer ink cartridge, the cartridge being formed of a relatively rigid frame (20) and flexible membranes (22, 24) forming an ink reservoir having side walls which collapse to a substantially flat shape to minimize the amount of ink remaining in the reservoir structure after computer generated printing has depleted the ink from the cartridge. The ink reservoir structure is a separate unit which is assembled and mounted in an outer housing (10) to form an ink cartridge and preferably contains an ink pressure regulator (30) which maintains a negative pressure therein.
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Clark James E.
Kaplinsky George T.
Khodapanah Tofigh
Swanson David W.
Hewlett--Packard Company
Le N.
Vo Anh T. N.
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