Refrigeration – Cooled enclosure – Portable receptacle
Patent
1991-12-05
1993-08-03
Makay, Albert J.
Refrigeration
Cooled enclosure
Portable receptacle
624572, F25D 308
Patent
active
052318508
ABSTRACT:
A portable container which may be refrigerated is provided which is composed of a floor and wall composed of an inner and outer wall with refrigerant captivated between these walls and a lid to close the container which also contains a charge of refrigerant in a recess therein, a labyrinth-type seal is provided between the lid and the wall composed of interdigitated ridges.
REFERENCES:
patent: 2215274 (1940-09-01), Peterson
patent: 3710589 (1973-01-01), Brown et al.
patent: 4498312 (1985-02-01), Schlosser
patent: 4732014 (1988-03-01), Frohbieter
patent: 4981234 (1991-01-01), Slaughter
patent: 5088301 (1992-02-01), Piepenbrink
Doerrler William C.
Makay Albert J.
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