| 摘要 |
PROBLEM TO BE SOLVED: To provide a hermetic container for which sealing is not released accidentally by friction or the like. SOLUTION: An indented part 23 having a vent 25 bored at its bottom wall 24 is provided at the upside of a lid body 2 to be fitted tightly to a container main body 1. The vent 25 is constantly sealed up with a valve body 5 which is inserted into the indented part 23 so as to slide upward and downward, and the vent is made to communicate with an air passage 54 provided at the valve body 5 only when the valve body 5 is slid up. |
