Recording ink container with an air vent valve
AssigneeCanon Kabushiki Kaisha
InventorsToshihiko Ujita, Kazuhiro Nakajima, Yohei Sato, Shuichi Murakami
Life of this patent
Estimating the term…
Abstract
A recording ink container having an air vent valve including a supporting means with a first opening, a first thin film with a second opening for covering the first opening, a second thin film for covering the second opening, and sealing means between the thin films. The valve functions to release air from the container through the first opening, and to permit the introduction of air into the container through the second opening with pressures of predetermined levels.
Claims7
A liquid container for containing liquid, comprising:
- a first container for containing the liquid;
- a second container for containing said first container therein;
- a passage for supplying the liquid out from said first and second containers;
- and
- a valve mechanism, provided in said second container, having supporting means with a first opening, a first thin film, having a second opening smaller than the first opening, for covering the first opening, and a second thin film for covering the second opening, wherein said first thin film is seated on said supporting means with a sealing material therebetween, and said second thin film is seated on a side of said first thin film closer to said supporting means with said sealing material therebetween.
A recording head cartridge, comprising:
- a recording head for ejecting ink in the recording operation;
- and
- an ink container for supplying ink to said recording head, said ink container comprising:
- a first container for containing the liquid;
- a second container for containing said first container therein;
- a passage for supplying the liquid out from said first and second containers;
- and
- a valve mechanism, provided in said second container, having supporting means with a first opening, a first thin film, having a second opening smaller than the first opening, for covering the first opening, and a second thin film for covering the second opening, wherein said first thin film is seated on said supporting means with a sealing material therebetween, and said second thin film is seated on a side of said first thin film closer to said supporting means with said sealing material therebetween.
A recording apparatus, comprising:
- a recording head for ejecting ink in a recording operation;
- an ink container for supplying ink to said recording head, said container comprising:
- a first container for containing the liquid;
- a second container for containing said first container therein;
- a passage for supplying the liquid out from said first and second containers;
- a valve mechanism, provided in said second container, having supporting means with a first opening, a first thin film, having a second opening smaller than the first opening, for covering the first opening, and a second thin film for covering the second opening, wherein said first thin film is seated on said supporting means with a sealing material therebetween, and said second thin film is seated on a side of said first thin film closer to said supporting means with said sealing material therebetween
- means for feeding recording material on which the recording operation is effected.
Dependencies are inferred from the claim text.