Image Number 3 for United States Patent #6772893.
A cap for a bottle stopping device to be mounted on a main body member. The main body member has retaining tabs, and the cap has a side wall for pressing the tabs against the bottle neck. The side wall has an upper portion, and a lower portion provided with an end portion folded back 180.degree. over itself towards the inside, in such a way as to define an internal shoulder for retaining the tabs.