| 摘要 |
The closure arrangement holds an additive to be added to the content of a container (1) at a first opening of the closure. The closure arrangement comprises of a cap (2), an insert and a lid (11) covering a compartment receiving the additive. The insert is rigidly fixed to the container. The cap and insert are mutually rotatable. The additive may be in the form of tablet, powder or fluid. The cap has outer annular wall (12) with threads cooperating with the threads of the ring of the insert or threads of the container, inner annular wall (14) at a distance from the outer wall, and a ring (13). |
