发明授权
US5447039A Beverage can cooling system 失效
饮料罐冷却系统

Beverage can cooling system
摘要:
The present invention relates to the use of a pop top mechanism of a disposable beverage container which includes a lance in the pop top lever which can be pressed downwardly to penetrate the top of the container allowing a refrigerant inside the container to be released into the atmosphere thereby cooling the contents of the container by evaporation of the refrigerant coolant.
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