| 摘要 |
<p>A closure assembly for a container including an internal cap and an external cap which are handled as one cluster is disclosed. The internal cap is tightly fitted into an outlet opening of a container and having a flange formed on an insertion portion, and the external cap has a threaded portion engaged to an outer periphery of the outlet opening to enclose the internal cap, in which the internal cap and the external cap have a corresponding locking member to prevent the internal cap from being disengaged from the external cap. The external cap includes a second engagement portion having a diameter smaller than that of the threaded portion to form a stepped portion and having at least one locking portion formed on an inner periphery of the second engagement portion, and the internal cap includes a first engagement portion protruding upwardly from the internal cap and having a locking portion formed on an outer periphery of the first engagement portion corresponding to the second engagement portion of the external cap.</p> |
