20150217914 | CLOSURE CAP FOR A CONTAINER - A closure cap for a container, said closure cap having a cap housing including a substantially cylindrical recess which has a top opening and a bottom opening, wherein the bottom opening is closed by means of a piercable membrane, a plunger comprising a cover and a substantially cylindrical lateral surface extending downward from an underside of the cover, wherein the lateral surface engages in the top opening of the recess and has an outside diameter corresponding substantially to the inside diameter of the recess, and a chamber defined by the cylindrical recess and the plunger which engages in the recess by way of its lateral surface, the plunger and the cap housing being movable relative to one another between a first, non-active position, and a second, activated position. | 08-06-2015 |