| 摘要 |
PROBLEM TO BE SOLVED: To provide closing means in which a part of a neck part of the closing means is formed at first, and has a closing part which is removed by a cap of the closing means when the cap is removed from the neck part, and which is made extremely simply.SOLUTION: The closing means comprises a neck part 6 to which a cap 7 is attached. The neck part 6 has an end part closed by a wall 14. On the end part, a weak line 15 surrounding the neck part 6 is provided. On the cap 7, open promotion means 28 configured so as to engage with other open promotion means 29 of the wall 14 so as to separate at least a part of the wall 14 of the neck part 6 along the weak line 15, are provided. |
