Bottle cap for sparkling beverages has annular groove in lower edge to receive security ring and tube to hold mixing granules

摘要

The bottle cap for sparkling beverages has an annular groove in its lower edge to receive a security ring (3) with an annular top section (30). The cap receives a tube (2) with a flange (20) to fit into the cap. The tube receives a granular material to be mixed with the drink and has a tear off ring (24) at its lower end.