| 摘要 |
A container having a neck portion provided with an inwardly turned downwardly extending flange element is engaged with a cap device having a depending skirt portion which engages the flange element of the neck of the container so that when the container is filled with an aerated beverage or the like the pressure thereof is exerted against the cap device so as to enhance the sealing engagement of the cap device in the neck of the bottle. |
