| 摘要 |
A readily openable, hermetically sealing unit for containers is composed of a cap cover 10 crimped onto the mouth 15 of the container and over opening means supported by the mouth and consisting of a member 20 shaped so as to provide a twin-inclined plane structure which, upon rotation of the cap cover, widens the side wall thereof thus permitting the disengagement from the container and the easy removal of the cap cover. <IMAGE> |
