| 摘要 |
PROBLEM TO BE SOLVED: To prevent deterioration of print quality such as a missing dot etc. in an ink ejection device by suppressing generation of a bubble when supplementing the ink tank with the ink.SOLUTION: An ink bottle 3 is the ink bottle for an ink ejection device and includes a body bottle part 10 that accommodates the ink internally; and an opening 12 that can open and close and leads the ink from the body bottle part 10. A perforation 13 that is drilled when used is provided on a sidewall 10b opposite side of the sidewall 10a of the body bottle part 10 that includes the opening 12. The perforation 13 sinks to an internal direction of the body bottle part 10, has a perforating surface 10c formed thinner than the sidewall of the periphery of the perforation 13, and has a projection 18 that projects to the external direction of the body bottle part 10 in the drilling surface 10c. |
