Patent ID: 9045269
Filing Date: 2015-06-02
Classification: B65B,B65D

Abstract:
1. A closure device for releasing an additive liquid into a container by operation of the closure device, the container having a main liquid compartment and a container neck with an opening, the closure device comprising a cap member defining a fluid chamber having a neck at a lower end thereof and a casing substantially surrounding the fluid chamber and having a plug member extending into the neck of the fluid chamber, wherein the neck has an upper portion having a first diameter, wherein the plug member comprises a primary seal adapted to seal between the plug member and the upper portion of the neck, an upper seal adapted to seal between the plug member and the upper portion of the neck, and a nozzle in fluid communication with an external surface of the plug member below the primary seal, wherein the cap member is arranged to be lifted relative to the casing from a closed position, in which the primary seal seals between the plug member and the upper portion of the neck through an open position in which a communication path is provided from the fluid chamber through a path between the upper portion of the neck and the plug member to the nozzle, to a sealed position in which the upper seal seals between the plug member and the upper portion of the neck.