| 摘要 |
To recover a used liquid container at a low price. A liquid container 1 including at least three liquid containing chambers 370, 390 and 430 which are mutually connected so as to have a descending connection and an ascending connection is provided. An injection port 601 communicating with the liquid containing chamber 370 positioned on the most upstream side is opened. The inside of the liquid containing chamber 370 is depressurized by means of the vacuum sucking from a liquid supply hole 50. After a liquid is injected from the injection port 601 to a side of the liquid containing chamber 370, the injection hole 50 is sealed. |
