| 摘要 |
A cap for use with a container, said cap including a cylindrical body having an opening and a lid adapted to seal over said opening, the body further having an inner lip disposed circumferentially around the inside of the body and adapted to house a blister having a base and a dome extending over the base to define a chamber for housing a substance, the blister including an internal piercing implement so that when the dome is pressed, the implement pierces the base to define an opening through whi ch the substance escapes into the container. |
