Heat insulating box

Details Heat insulating box Heat insulating box

1979-06-28

1981-09-08

Davis, Albert W.

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

62457, 126400, F28D 2100, F25D 308

Patent

active

042879434

ABSTRACT:
A heat insulating box comprises a body and lid of adiabatic construction, and at least one radiator housed within a space between the body and the lid and providing a heat insulating space. The radiator is filled with a high temperature liquid, such as hot water, which liquid serves as a heat source to heat and keep warm the contents, such as lunch, within the heat insulating space, so that the contents may be kept at a desired temperature for a prolonged period of time.

REFERENCES:
patent: 1369367 (1921-02-01), Thomson
patent: 2215274 (1940-09-01), Peterson
patent: 2496296 (1950-02-01), Lobl
patent: 3802220 (1974-04-01), Pompo
patent: 3807194 (1974-04-01), Bond
patent: 4145895 (1979-03-01), Hjertstrand et al.

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