Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Reexamination Certificate
2006-08-08
2006-08-08
Vo, Anh T. N. (Department: 2861)
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
Reexamination Certificate
active
07086722
ABSTRACT:
An ink cartridge includes an ink pack21which discharges ink from an ink outlet22upon reception of pressure by air pressure; an outer case20a,20bwhich houses the ink pack21therein with the ink outlet22exposed so that the ink pack21can be pressurized by the air pressure, and includes a pressurized air inlet23that is connectable to an air source for pressurizing the ink pack21; and a pressure adjusting unit30which is housed in the outer case and discharges air in the outer case to the outside so that pressure in space of the outer case is kept at a setting value.The setting value of the pressure adjusting unit30is set to an optimum value for each ink cartridge, whereby the ink pack can be pressurized in an optimum state regardless of the air pressure from the pressurized air inlet23.
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Japanese Office Action for Japanese Patent Application 2003-543826.
Seiko Epson Corporation
Sughrue & Mion, PLLC
Vo Anh T. N.
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