Claims
- 1. An ink cartridge comprising:a flexible ink pack storing ink therein and having an ink outlet port normally closed, wherein said ink outlet port is integral with said flexible ink pack; an outer shell housing the flexible ink pack and having an air inlet port normally open, the ink outlet port being at least partially exposed outside the outer shell, wherein said air inlet port is integral with the outer shell; a sealing member provided between the ink outlet port and the outer shell; and a valve member disposed at said ink outlet port, wherein, when the ink cartridge is mounted in a recording apparatus, the valve member comes into contact with a connection section of the recording apparatus and recedes in an axial direction, thus becoming open; and wherein, when the ink cartridge is removed from the recording apparatus, the valve member advances in the axial direction, thus sustaining a closed state.
- 2. The ink cartridge according to claim 1, wherein the outer shell includes first and second members hermetically joined together.
- 3. The ink cartridge according to claim 1, wherein the outer shell includes first and second members joined together by engagement.
- 4. The ink cartridge according to any one of claims 1 to 3, further comprising:a press member selected from a plurality of press members having respective different volumes, and housed in the outer shell.
- 5. A combination of an ink cartridge holder, and the ink cartridge of any one of claims 1 to 3, comprising:a pressurized air supply section provided to the holder, and to be connected to and communicated with the air inlet port when the ink cartridge is installed in place in the holder; an ink receive connection section provided to the holder, and to be connected to and communicated with the ink outlet port when the ink cartridge is installed in place in the holder.
- 6. The ink cartridge according to claim 1, wherein the sealing member is interposed between the ink outlet port and the outer shell in a radial direction of the ink outlet port.
Priority Claims (6)
Number |
Date |
Country |
Kind |
2000-012461 |
Jan 2000 |
JP |
|
2000-012462 |
Jan 2000 |
JP |
|
2000-021020 |
Jan 2000 |
JP |
|
2000-024419 |
Feb 2000 |
JP |
|
2000-186050 |
Jun 2000 |
JP |
|
2000-201983 |
Jul 2000 |
JP |
|
Parent Case Info
This is a divisional of application Ser. No. 09/765,411 filed Jan. 22, 2001; the disclosure of which is incorporated herein by reference.
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Entry |
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