BEVERAGE CONTAINER

摘要

A beverage container for a carbonated beverage includes a floating hollow insert (1) comprising an upper moulding (2) and a lower moulding (3) definin g a chamber for containing gas, a first one-way duck-bill type valve (4) integrally formed with the upper moulding (2) at the bottom of a down pipe ( 6) and arranged to allow gas to enter the chamber and a second duckbill valve ( 5) integrally formed with the lower moulding (3) and arranged to allow gas to exit the chamber and be jetted into the beverage upon opening the beverage container.