Wide mouth vacuum-insulated receptacle

Details Wide mouth vacuum-insulated receptacle Wide mouth vacuum-insulated receptacle

1997-07-01

2000-02-29

Capossela, Ronald

Refrigeration

Storage of solidified or liquified gas

With sorbing or mixing

62 451, 624579, 220901, F17C 1100

Patent

active

060294574

ABSTRACT:
A receptacle for maintaining perishables, such as food, at a reduced temperature features an exterior shell joined to an interior shell so that a space occupied by a vacuum exists between them. The junction of the inner and outer shells is located on the exterior of the receptacle. Phase change material is disposed within compartments in the bottom of the receptacle and is covered by a false bottom. A cryogenic liquid, such as liquid nitrogen, is poured down the interior walls of the receptacle and into the compartments containing the phase change material so that the phase change material is frozen in situs. A liquid absorbing material may be substituted for the phase change material.

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