Portable container for food or drink to be warmed or cooled

Details Portable container for food or drink to be warmed or cooled Portable container for food or drink to be warmed or cooled

1986-07-07

1987-08-11

Pollard, Steven M.

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

220 23, 220408, F28D 106

Patent

active

046855882

ABSTRACT:
Portable container comprising an inner cup to contain food or drink and an outer cup to be filled with heat exchange medium so as to keep food or drink contained in the inner cup warm or cool, or to be warmed or cooled when said cups are engaged with each other. Said inner cup is naturally made of a material having good thermal conductivity at least in the bottom and a part of the circumferential wall thereof, while the outer cup and the remainder part of the inner cup is preferably made of thermally insulating material.

REFERENCES:
patent: 1152308 (1915-08-01), Evans
patent: 1721311 (1929-07-01), Muenchen
patent: 2734358 (1956-02-01), Himmelfarb
patent: 3766975 (1973-10-01), Todd

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