| 摘要 |
In order to address the problem of providing a cap that can be prevented from being opened by accident, this invention provides a cap characterized in being equipped with a lock mechanism comprising: a cap part screwed onto a threaded part of a container having a mouth part in which the threaded part is formed on the upper part, an annular jaw part is formed on the intermediate part, and an annular neck part is formed on the lower part; and a ring part linked to the bottom part of the cap part with a tear-breakage part interposed therebetween, the ring part being provided with an elastic piece that can be engaged with the annular jaw part in a folded-back manner, the ring part being provided between the annular jaw part and the annular neck part so as to be able to turn, and the ring part having the function of displaying the opening of the cap; the lock mechanism preventing the cap part from being accidentally turned to open by the turning operation of the ring part. |
