Patent ID: 7918336
Filing Date: 2011-04-05
Classification: B65D

Abstract:
1. A closure device for a receptacle, arranged to be attached to the receptacle, the device comprising at least one first cavity for additive, and at least one second cavity, where the at least one first cavity and the at least one second cavity can be opened individually by respective opening mechanisms therefor which are integrated in the device and can be influenced from outside of the device, the opening mechanism for the at least one first cavity comprising a plunger part with one or more plungers, wherein each plunger can be influenced individually, the plunger part comprising a ring and the one or more plungers projecting downwards from the ring into the at least one first cavity, wherein the ring is made of at least one of a flexible and an elastic material and is corrugated with alternating raised portions and depressions, and the one or more plungers project down from the raised portions of the ring and are integral with the ring.