Self-chilling beverage container and parts therefor

Details Self-chilling beverage container and parts therefor Self-chilling beverage container and parts therefor

1995-08-22

1997-03-11

Tapolcai, William E.

Refrigeration

Container cutter or punch-type opening means

62371, 624574, F25D 310

Patent

active

056090382

ABSTRACT:
A beverage container such as a can contains pressurized beverage together with a cartridge containing a refrigerant such as carbon dioxide. A cartridge holder holds the cartridge in place by engaging the inside of the can. A cartridge piercer is positioned between the cartridge and the can end. When the can is filled and the end installed, the pressurized beverage releases part of its gs which increases gas pressure within the can. The increasing gas pressure deflects the can ends which are resilient. The released beverage gas also arms and lengthens the cartridge piercer to engage substantially under the deflected can end. When the can pressure is released, the cartridge piercer pierces the cartridge to release the carbon dioxide therein to chill the beverage container and its contents.

REFERENCES:
patent: 3494141 (1970-02-01), Irwin et al.
patent: 3494143 (1970-02-01), Barnett et al.
patent: 4688395 (1987-08-01), Holcomb
patent: 5325680 (1994-07-01), Baroso-Lujan et al.
patent: 5394703 (1995-03-01), Anthony

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