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AssigneeSeiko Epson Corporation
InventorsTakao Kobayashi, Satoshi Shinada, Kiyofumi Usui, Shoichi Hiraide, Kazuo Koshino, Hisashi Miyazawa, Seiji Mochizuki, Yoshinori Miyazawa, Takashi Suzuki, Eiko Yanagida
Estimating the term…
An ink cartridge including: an ink chamber for retaining liquid ink; a foam chamber maintained in fluid communication with the ink chamber through a communication hole. An ink supply port for supplying ink from a porous body accommodated in the foam chamber to a recording head is provided. The portion of the foam body confronting the ink supply port is compressed by the ink supply port. The ratio between the amount of ink initially charged in the ink chamber and that of ink absorbed in the porous body is in the range from 1:1 to 1:3. When a cartridge uses more than one color of ink for printing in color, a plurality of foam and ink cartridges are used. The cartridge is filled under reduced pressure while the interior of the cartridge is further evacuated before filling with ink.
A method of charging ink into an interior of an ink cartridge detachably mountable to an ink supply needle communicating with a recording head, the ink cartridge having a first through hole that is sealed, a second through hole and a third through hole, each said through hole, when open, effecting fluid communication between the interior and an exterior of the ink cartridge, the method comprising the steps of:
A method of charging ink into an interior of an ink cartridge detachably mountable to an ink supply needle communicating with a recording head, the ink cartridge having a first through hole that is sealed, a second through hole and a third through hole, each said through hole, when open, effecting fluid communication between the interior and an exterior of the ink cartridge, the method comprising the steps of:
A method of charging ink into an interior of an ink cartridge detachably mountable to an ink supply needle communicating with a recording head, the ink cartridge having a first through hole that is sealed, a second through hole and a third through hole, each said through hole, when open, effecting fluid communication between the interior and an exterior of the ink cartridge, the method comprising the steps of:
A method of at least partially filling an ink cartridge detachably mountable to an ink supply needle communicating with a recording head of an ink jet printing apparatus, comprising the steps of:
An apparatus for introducing a liquid into an ink cartridge having an interior, a first opening and a second opening, each of the openings being in fluid communication with both the interior and an outside of the ink cartridge, comprising:
A method of at least partially filling an ink cartridge, comprising:
Dependencies are inferred from the claim text.