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EP0490579A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Ink container and recording head cartridge having same

Assignee: Canon Inc
•
Filing: 1991-12-05
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Granted: —
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Expires: 2011-12-05
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Abstract

Abstract An ink container for containing ink includes an outer casing (1000); an inner casing (950), in the outer casing, for containing the ink therein; filler material (960) disposed between the outer casing (1000) and the inner casing (950) to isolate the ink from ambient condition change.

Inventors

  • 👤 Yoshifumi C/O Canon Kabushiki Kaisha Hattori
  • 👤 Masashi C/O Canon Kabushiki Kaisha Kitani
  • 👤 Etsurou c/o Canon Kabushiki Kaisha Suzuki
  • 👤 Hideo C/O Canon Kabushiki Kaisha Saikawa
  • 👤 Masami C/O Canon Kabushiki Kaisha Kojima
  • 👤 Kenji c/o Canon Kabushiki Kaisha Kawano
  • 👤 Koichi C/O Canon Kabushiki Kaisha Tanno
  • 👤 Kenji c/o Canon Kabushiki Kaisha Aono

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-31 11:42
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/17; B41J2/175; B41J2/17503; B41J2/17513

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 41 words
An ink container for containing ink, comprising: an outer casing; an inner casing, in said outer casing, for containing the ink therein; filler material disposed between said outer casing and said inner casing to isolate the ink from ambient condition change.
Claim 2
Dependent Claim 21 words
A container according to Claim 1, wherein said filler material is liquid or powder exhibiting thermal insulation property or sealing property.
Claim 3
Dependent Claim 70 words
A recording head cartridge, comprising: an ink container for containing ink, including an outer casing; an inner casing, in said outer casing, for containing the ink therein; filler material disposed between said outer casing and said inner casing to isolate the ink from ambient condition change; a recording head for ejecting the ink from said ink container; and mounting means for integrally mounting said ink container and said recording head.
Claim 4
Dependent Claim 23 words
A recording head cartridge according to Claim 3, wherein said filler material is liquid or powder exhibiting thermal insulation property or sealing property.
Claim 5
Dependent Claim 25 words
A recording head cartridge according to Claim 3, wherein a film boiling is produced using thermal energy to crease a bubble to eject the ink.
Claim 6
Dependent Claim 96 words
An ink jet recording apparatus for effecting recording by ejecting ink, comprising: a recording head cartridge, including an ink container for containing ink, said container including an outer casing; an inner casing, in said outer casing, for containing the ink therein; filler material disposed between said outer casing and said inner casing to isolate the ink from ambient condition change; a recording head for ejecting the ink from said ink container; mounting means for integrally mounting said ink container and said recording head; and a mounting portion for receiving said recording head and said ink container.
Claim 7
Dependent Claim 21 words
An apparatus according to Claim 6, wherein said filler material is liquid or powder exhibiting thermal insulation property or sealing property.
Claim 8
Dependent Claim 23 words
An apparatus according to Claim 6, wherein a film boiling is produced using thermal energy to crease a bubble to eject the ink.

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