Claims
- 1. An ink container comprising:an ink containing portion for storing ink for supply to a recording head portion, said ink containing portion containing therein an ink absorbing member of porous or fibrous material; an air vent for full fluid communication between said ink containing portion and ambience, wherein ink is supplied from said ink containing portion to the recording head portion by establishing a fluid communication state through said air vent between the ink absorbing material and the ambience; wherein said air vent comprises: a small chamber having a volume smaller than that of said ink containing portion, said small chamber for temporarily retaining ink and being in fluid communication with the ink absorbing material in said ink containing portion such that the ink moves therethrough; and a passage which is bent at least at a part thereof and which is elongated in shape as compared with said small chamber, said passage establishing fluid communication between an inner opening which is connected to said small chamber and which is smaller than said small chamber and an outer opening which is in fluid communication with the ambience.
- 2. An ink container according to claim 1 wherein said passage is at least partly formed by connecting members constituting said ink container.
- 3. An ink container according to claim 1 wherein said passage has a length in the range of 10 mm to 150 mm.
- 4. An ink jet cartridge comprising an ink jet recording head portion and an ink container according to any one of claims 1 to 3.
- 5. An ink jet cartridge according to claim 4 wherein said ink jet recording head portion ejects droplets of liquid through an ejection element using thermal energy.
- 6. An ink jet recording apparatus comprising an ink jet recording head portion and an ink container according to any one of claims 1 to 3, and further comprising a carriage scanningly movable while carrying said recording head portion and said ink container adjacent a recording medium.
- 7. An ink jet recording apparatus according to claim 6, wherein said ink jet recording head portion ejects droplets of liquid through an ejection element using thermal energy.
Priority Claims (4)
Number |
Date |
Country |
Kind |
1-274640 |
Oct 1989 |
JP |
|
1-274473 |
Oct 1989 |
JP |
|
1-274474 |
Oct 1989 |
JP |
|
1-274839 |
Oct 1989 |
JP |
|
Parent Case Info
This application is a division of application Ser. No. 08/861,768 filed May 22, 1997, which is a continuation of application Ser. No. 08/627,336 filed Apr. 4, 1996, abandoned, which is a continuation of application Ser. No. 08/323,050 filed Oct. 14, 1994, abandoned, which is a continuation of application Ser. No. 07/993,919 filed Dec. 18, 1992, abandoned, which is a continuation of application Ser. No. 07/599,978 filed Oct. 19, 1990, abandoned.
US Referenced Citations (11)
Foreign Referenced Citations (8)
Number |
Date |
Country |
139508 |
May 1985 |
EP |
261764 |
Mar 1988 |
EP |
2470956 |
Jun 1981 |
FR |
57-002786 |
Jan 1982 |
JP |
58-36457 |
Mar 1983 |
JP |
58-53473 |
Mar 1983 |
JP |
60-68959 |
Apr 1985 |
JP |
1-148559 |
Jun 1989 |
JP |
Continuations (4)
|
Number |
Date |
Country |
Parent |
08/627336 |
Apr 1996 |
US |
Child |
08/861768 |
|
US |
Parent |
08/323050 |
Oct 1994 |
US |
Child |
08/627336 |
|
US |
Parent |
07/993919 |
Dec 1992 |
US |
Child |
08/323050 |
|
US |
Parent |
07/599978 |
Oct 1990 |
US |
Child |
07/993919 |
|
US |