System of a bottle and of an associated co-operating device

摘要

A system comprising a bottle with a variable volume the outer side wall of which is deformable in the direction of the height and a device integrated into the inside of the bottle and retained in the latter to hold the bottle in one of a series of states of volume and to allow its gradual deformation from one state of given volume to another state of smaller volume, the system being applicable in particular to fizzy beverages.