Ink cartridge, and ink-jet recording apparatus using the same
DCFirst Claim
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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Abstract
There is provided an ink cartridge which is formed from an ink-filled ink pack and a hermetic outer shell case for housing the ink pack and which supplies ink to a recording head by means of application of air pressure to a space between the outer shell case and the ink pack. The outer shell case is formed by coupling an upper case and a lower case together. The ink-filled ink pack is housed in the lower case, and the upper case is laid on the lower case from above. The upper and lower cases are hermetically sealed by vibratory welding or heat welding, thus constituting the ink cartridge.
75 Citations
92 Claims
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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:
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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. - View Dependent Claims (2, 3, 4)
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5. 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:
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an outer shell member constructed at least by a first outer shell constituent member and a second outer shell constituent member that are hermetically coupled together; an ink pack of flexible material storing ink therein, the ink pack being housed within the outer shell member; 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, wherein reinforcement ribs are formed on surfaces of the first and second outer shell constituent members, the surfaces at least partially defining the pressure chamber.
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6. An ink cartridge for use with a recording apparatus, comprising:
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an ink pack of flexible material storing ink therein; an ink outlet port communicating with an interior of the ink pack; a cartridge case formed for housing the ink pack; a pressurized air inlet port, through which, when the ink cartridge is mounted to the recording apparatus, pressurized air is introduced into the cartridge case; first and second cases which constitute the cartridge case, said second case having a circumferential portion; a flange section formed along an edge of an opening of the first case, wherein said circumferential portion of said second case covers said flange section; and at lease one lug-shaped member which is formed on the second case and engages with the flange section, thereby coupling the first and second cases together, wherein said lug-shaped member protrudes inward from an inner surface of said circumferential portion wherein the ink outlet port and the pressurized air inlet port are arranged on the same front wall of the cartridge case, wherein, after the ink pack is housed in the first case, the edge of the opening of the case is sealed by a film member, thereby realizing a sealed state, and wherein the second case functions as a cover for preventing expansion of the film member when the film member receives the pressurized air. - View Dependent Claims (7, 8, 9, 10, 11)
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12. An ink cartridge for use with a recording apparatus, including an ink pack of flexible material storing ink therein, and a cartridge case formed for housing the ink pack, wherein, when the ink cartridge is mounted to the recording apparatus, pressurized air is introduced into the cartridge case, the ink cartridge comprising:
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first and second cases which constitute the cartridge case, said second case is formed from a planar section acting as a cover and a fold section formed integral with and perpendicular to the planar section; at least one lug-shaped member which is formed on the fold section of the second case; and at least one slit formed through the second case at a location corresponding to the location of the lug-shaped member, said slit extending in a direction parallel to the fold section.
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13. 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:
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an outer shell member constructed at least by a case and a heat-welding 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, wherein the case and the heat-welding film are hermetically sealed together by heat-welding, and wherein a continuous, substantially planar weld surface is formed over the entirety of a peripheral edge of the case, and said heat-welding film is thermally welded to the weld surface. - View Dependent Claims (14, 15, 16)
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17. 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:
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an outer shell member constructed at least by a case and a heat-welding film; an ink pack of flexible material storing ink therein, the ink pack being housed within the outer shell; 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; and a cover coupled to the case to cover said film, wherein an engagement section removably engaging a peripheral edge of the case is formed integrally on the cover. - View Dependent Claims (18, 19)
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20. 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:
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an outer shell member constructed at least by a first outer shell constituent member and a second outer shell constituent member that are coupled together so that said second outer shell constituent member is laid over an opening formed in a first surface of the first outer shell constituent member; an ink pack of flexible material storing ink therein, the ink pack being housed within the outer shell; an ink supply port of the ink pack and an air inlet port, which are disposed on a second surface of the first constituent member, the second surface being different from the first surface; 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. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90)
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91. 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:
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an outer shell member constructed at least by a case and a heat-welding 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, a press member disposed between the film and the ink pack.
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92. An ink cartridge for use with a recording apparatus, including an ink pack of flexible material storing ink therein, and a cartridge case formed for housing the ink pack, wherein, when the ink cartridge is mounted to the recording apparatus, pressurized air is introduced into the cartridge case, the ink cartridge comprising:
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first and second cases which constitute the cartridge case, said second case having a circumferential portion; a flange section formed along an edge of an opening of the first case, wherein said circumferential portion of said second case covers said flange section; and at least one lug-shaped member which is formed on the second case and engages with the flange section, thereby coupling the first and second cases together, wherein said lug-shaped member protrudes inward from an inner surface of said circumferential portion, wherein, after the ink pack is housed in the first case, the edge of the opening of the case is sealed by a film member, thereby realizing a sealed state, and wherein the second case functions as a cover for preventing expansion of the film member when the film member receives the pressurized air.
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Specification