摘要 |
PROBLEM TO BE SOLVED: To provide a liquid container which is equipped with a check valve for preventing air etc. from flowing into the interior and can keep the performance of the check value as specified, and a member for forming the liquid container and an ink pack. SOLUTION: The ink pack 25 comprises a bag part 36 for storing the ink, a first and a second ink flow path 46 and 51 communicating with the bag part 36, a valve body housing chamber 55 communicating with the first and the second ink flow path 46 and 51, a flow path formation member 41 equipped with a second and a third recessed part 48 and 49 communicating with the valve body housing chamber 55, and a first valve device 59 which is installed in a communication part between the first and the second ink flow path 46 and 51 and the valve body housing chamber 55, and has a valve seat 53 and a first valve body 58. In addition, the ink pack 25 has a communication path for making the second and the third recessed part 48 and 49 and the valve body housing chamber 55 communicate with the bag part 36. The communication part is sealed with a laminated film 36a which forms the bag part 36. COPYRIGHT: (C)2008,JPO&INPIT |