| 摘要 |
According to a bottle cap having an existing one touch cap function and a container (duma cap), the present invention is a new product changing structures of a locking protrusion of an inner surface of an upper end of a side surface of a bottle cap body and a locking protrusion of an upper end of an outer surface of an inlet of the container into a screw threads form. The bottle cap and the container having a new structure reinforces a blocking function which prevents and protects contents inside the container from an external air using the coupling and the fastening of the two changed screw threads and adds a new function that a child cannot easily open the cap. |
