Refrigeration – Processes – Packaging
Patent
1975-08-20
1976-08-17
King, Lloyd L.
Refrigeration
Processes
Packaging
62371, 62457, 62530, 206427, 220 9F, B65B 6308, F25D 308
Patent
active
039746585
ABSTRACT:
A completely self-contained portable refrigeration unit for maintaining cans or bottles containing food products (e.g., beer, soft drinks, fruit juices, etc.) at a predetermined substantially constant temperature (e.g., 35.degree. to 50.degree.F.) for a relatively long period of time (10 to 24 hours or more). The unit includes an outer insulating case or container and an internal refrigeration cartridge having a plurality of curved surfaces adapted to contact the surface of the products (e.g., sides or ends). The cartridge is filled with a refrigerant substance (e.g., gel refrigerant with predetermined eutectic point) capable of maintaining the curved surfaces of the cartridge at substantially the desired refrigerating temperature for the desired period of time. The dimensions of the outer container and cartridge are such that individual products are in contact either with one of the curved cartridge surfaces or with one of the other products, to thereby achieve conductive refrigeration with minimum reliance on convection.
REFERENCES:
patent: 1095023 (1914-04-01), Parker
patent: 1681110 (1928-08-01), Friedman
patent: 2504911 (1950-04-01), Whitecar
patent: 2648954 (1953-08-01), Wheeler et al.
patent: 3187518 (1965-06-01), Bair et al.
patent: 3262283 (1966-07-01), Taylor
patent: 3401535 (1968-09-01), Palmer
patent: 3406532 (1968-10-01), Rownd et al.
patent: 3802220 (1974-04-01), Pompo
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