| 摘要 |
The invention relates to a mixing stopper, fixed in the neck of a container, which consists of a capsule (1) for attaching to the neck of the container, a receptacle (2) containing a product to be mixed with the contents of the container, a lid (3) for closing the open base (14) of the receptacle, and a spring (4) mounted between the receptacle (2) and the bottom of the capsule (1). |
