Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshiharu Aruga0
Date of Patent
August 8, 2006
0Patent Application Number
104661800
Date Filed
November 8, 2002
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An ink cartridge includes an ink pack 21 which discharges ink from an ink outlet 22 upon reception of pressure by air pressure; an outer case 20a, 20b which houses the ink pack 21 therein with the ink outlet 22 exposed so that the ink pack 21 can be pressurized by the air pressure, and includes a pressurized air inlet 23 that is connectable to an air source for pressurizing the ink pack 21; and a pressure adjusting unit 30 which 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.
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