Refrigeration – Portable – commodity-containing
Patent
1980-07-25
1982-03-16
Yudkoff, Norman
Refrigeration
Portable, commodity-containing
222541, 62 4, 62294, F25D 308
Patent
active
043194648
ABSTRACT:
A container constructed to cool the contents of the container by releasing a refrigerant from a pressure vessel within the container to chill the contents of the container by an endothermic expansion process of the refrigerant as a gas to the outside of the container. The pressure vessel within the container is conically formed at one end of the container as an integral part of the end wall structure of the container. The refrigerant gas is released by breaking a frangible end off a valve.
REFERENCES:
patent: 3088680 (1963-05-01), Fulton et al.
patent: 3241731 (1966-03-01), Bright et al.
patent: 3326013 (1967-06-01), Jacobs
patent: 3620406 (1971-11-01), Evans et al.
patent: 3726106 (1973-04-01), Jaeger
patent: 3852975 (1974-12-01), Beck
Watkins Robert B.
Yudkoff Norman
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