| 摘要 |
PROBLEM TO BE SOLVED: To simply and surely seal an opening part of a container. SOLUTION: A lid member 3 is arranged on an opening part 2 of a container 1 through an O-ring 5 and the lid member 3 is pushed on the opening part 2 of the container 1 to seal the opening part 2. The lid member 3 is arranged on the opening part 2 of the container 1 through the O-ring 5 and on the other hand, under a condition where these are stored in a vacuum room 13 and the vacuum room 13 is made vacuum, the O-ring 5 is melted by a heating means 14 to seal the lid member 3 on the opening part 2 of the container. |
