| 摘要 |
PROBLEM TO BE SOLVED: To realize easy opening of a container by constructing an inner lid preventing leakage of contents from the container.SOLUTION: There is provided a gasket 4 constructed as an inner lid which is engaged onto a cap 3 covering an opening part A of a container main body 2 storing contents B in its inner section to seal the opening part A. The gasket 4 is constructed with a tabular flat plate part comprising an annular part 41 engaged onto the cap 3 and an easily destructible part 42 arranged on inner peripheral side of the annular part 41. The flat plate part is of foamed polyethylene, having a thickness of 1.0 to 4.0 mm. The easily destructible part 42 comprises a cut part 42a formed with a cut penetrating the flat plate part in thickness direction, an opening piece 42b sectioned by the cut part 42a, and a bridge part 42c bridging the opening piece 42b and the annular part 41. |
