Insulated sandwich and salad keeper

Details Insulated sandwich and salad keeper Insulated sandwich and salad keeper

1975-10-31

1977-03-29

Price, William

Receptacles

Closures

Removable closure retained by ductile in situ deformation

220 9F, 220 13, B65D 4310

Patent

active

040144569

ABSTRACT:
An insulated keeper for maintaining sandwiches in a refrigerated condition with the keeper consisting of a hollow box shaped open topped receptacle having insulated wall and bottom surfaces and having a flat insulated cover adapted to snugly engage in an airtight manner the top edges of the side walls for sealing the container in an air tight manner to maintain a frozen sandwich placed therein at its cold temperature. In addition, an insulated salad keeper is provided having its walls made of STYROFOAM material. Still a further embodiment is in the form of a bowl having water containing compartments within double walls thereof for being pre-frozen prior to use thereof for retaining the contents of the bowl in a refrigerated condition.

REFERENCES:
patent: 2711840 (1955-06-01), Gits et al.
patent: 2767711 (1956-10-01), Ernst
patent: 2811768 (1957-11-01), Axelson
patent: 3149747 (1964-09-01), Burgess
patent: 3484015 (1969-12-01), Rowan
patent: 3802220 (1974-04-01), Pompo

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