Ink cartridge and method of ink injection thereinto
AssigneeSeiko Epson Corporation
InventorsMutsuhiko Ota, Yukiharu Suda, Hisashi Koike, Satoshi Shinada, Michinari Tsukahara, Hisashi Miyazawa
Life of this patent
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Abstract
An ink cartridge 1 is detachably connected to a head of a record apparatus and has a vessel main body 2 having an ink tank chamber 11 opened to the atmosphere in a state in which the head and the cartridge are connected and an ink end chamber (second ink storage chamber 16, etc.,) communicating with the ink tank chamber 11 and leading to the head. The vessel main body 2 is formed with a first opening 85 communicating with the ink tank chamber 11 and a second opening 86 communicating with the ink end chamber.
Claims15
An ink cartridge for a recording apparatus, which comprises:
- a case having an ink tank chamber, and an ink end chamber communicating with the ink tank chamber and an ink supply port;
- a first opening provided in the case, which communicates with the ink tank chamber;
- and
- a second opening provided in the case, which communicates with the ink end chamber.
A method of injecting ink into an ink cartridge for a recording apparatus, the ink cartridge comprising a case having an ink tank chamber, and an ink end chamber communicating with the ink tank chamber and an ink supply port, wherein:
- ink is injected into the ink tank chambers and the ink end chambers such that ink injection into the ink tank chamber is executed under a predetermined ink injection condition, and ink injection into the ink end chamber is executed under an ink injection condition different from the predetermined ink injection condition.
An ink cartridge for a recording apparatus, comprising:
- a container having an ink storage chamber, a differential pressure valve storage chamber, and an ink supply port communicating with the ink storage chamber through the differential pressure valve storage chamber;
- a differential pressure valve mechanism in the differential pressure valve storage chamber;
- a first opening formed in the container for filling the ink storage chamber with ink under a condition that the ink storage chamber is communicated with atmosphere;
- a second opening formed in the container for filling the valve storage chamber with ink under a condition that vacuum is applied to the ink supply port.
Dependencies are inferred from the claim text.