| 摘要 |
PURPOSE:To seal up a reduced pressure container by using an easily openable cap for the reduced pressure container. CONSTITUTION:A supporting part that touches the upper end 6 of an opening of a container and a sealing part 5 of a cap whose top board 1 is extended outwardly are arranged so that they come to a position being the inside of a face extending from the undersurface of the top board 1, and facing the center of the cap. Thereby opening of the cap can be executed by relatively small force. |
