| US 7,455,396 B2 | ||
| Ink container | ||
| Takahiro Wakayama, c/o Riso Kagaku Corporation, 20-15, Shinbashi 2-chome, Minato-ku, Tokyo 1050004 (Japan) | ||
| Appl. No. 10/595,331 PCT Filed Jul. 08, 2004, PCT No. PCT/JP2004/009745 § 371(c)(1), (2), (4) Date Apr. 10, 2006, PCT Pub. No. WO2005/037560, PCT Pub. Date Apr. 28, 2005. |
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| Claims priority of application No. 2003-356333 (JP), filed on Oct. 16, 2003. | ||
| Prior Publication US 2007/0046743 A1, Mar. 01, 2007 | ||
| Int. Cl. B41J 2/175 (2006.01) | ||
| U.S. Cl. 347—86 [222/464.1; 222/464.3; 222/386.5; 347/88; 493/212; 96/6] | 7 Claims |
| 1. An ink container mounted on a printing device comprising
a bag-shaped ink container body formed from a flexible sheet,
an ink supply opening having a first and a second end, the first end communicates with the inside of the ink container body
and the second end being connected to the printing device, and
the bag-shaped ink container body is provided with a region for residual ink liquid, the region being disposed at the bottom,
lower than the communicating end of the ink supply opening, and with shape retaining means for keeping the shape and volume
of the region for residual ink liquid, wherein the shape retaining means is provided by a sheet-entry preventing member formed
in the shape of an orifice pore and the direction of the orifice pore is arranged away from the ink supply opening.
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