| 摘要 |
PROBLEM TO BE SOLVED: To provide a sealed container wherein air remaining in the container can be minimized to prevent oxidation of food or the like by allowing a capacity of the container to be adjusted at will. SOLUTION: The container comprises an upper lid which can be fixed at a desired position in the container, and an extension added if necessary for increasing a capacity whereby the capacity can be freely adjusted while keeping sealability of the container. |
