| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink cartridge which is used in a liquid ink image forming device and which can obtain advantage obtainable from similar devices of the conventional techniques, while, which can avoid defects and losses to each of the devices. SOLUTION: The ink cartridge 100 is provided with a housing 102 for defining a first fluid tank 101, an air control system 110 having a mounting tool 112 to be supported by the housing, and a one-piece expansive bladder 120, which defines a second fluid tank 121 and is supported by the mounting tool in the first fluid tank, which is constituted so as to make the volume of the second fluid tank to be increased from a first volume to a second volume by expansion, and which is made of a shape-memory material, accordingly, which is energized toward the first volume. COPYRIGHT: (C)2004,JPO&NCIPI |
