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Ink cartridge, and ink-jet recording apparatus using the same

DC
  • US 7,152,965 B2
  • Filed: 01/22/2001
  • Issued: 12/26/2006
  • Est. Priority Date: 01/21/2000
  • Status: Expired due to Term
First Claim
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1. An ink cartridge for use with a recording apparatus which supplies ink to a recording head by application of pressurized air produced by an air pressurization pump, the ink cartridge comprising:

  • an outer shell member constructed at least by a first outer shell constituent member and a second outer shell constituent member, said first outer shell constituent member having an opening and having a film hermetically sealed over said opening, said second outer shell constituent member being coupled to said first outer shell constituent member to cover said film;

    an ink pack of flexible material storing ink therein, the ink pack being housed within the outer shell; and

    a pressure chamber defined between the outer shell member and the ink pack and adapted to receive the pressurized air produced by the air pressurization pump.

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