초록 ▼

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 wal

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.

대표청구항 ▼

An insulated salad and sandwich keeper comprising, in combination a hollow box shaped receptacle of a hollow rectangular box-shaped configuration having a horizontal flat bottom surface, a pair of opposed vertically extending parallel front and back wall surfaces, and a pair of vertically extending

An insulated salad and sandwich keeper comprising, in combination a hollow box shaped receptacle of a hollow rectangular box-shaped configuration having a horizontal flat bottom surface, a pair of opposed vertically extending parallel front and back wall surfaces, and a pair of vertically extending parallel side wall surfaces, the surfaces defining interiorly thereof a compartment open at its top to provide ingress and egress thereof; a cover of said receptable consisting of a flat rectangularly shaped solid member having an exterior surface and interior surface, opposed flat front and back edges, and opposed flat side edges, the cover being of a width and length to completely overlap the open top of said receptacle compartment and engage the top edges of the wall surfaces in an air tight manner for sealing the receptacle compartment when the cover is in place thereon; said receptacle and cover manufactured of insulating material; said receptacle being characterized by a longitudinally extending groove of a semi-circular cross section disposed in the top edge of each of the wall surfaces of the receptacle, a pair of rib members formed on the top edges of wall members with each rib member being disposed on an opposite side of the groove and extending longitudinally therealong, an annular recess of a semi-circular configuration disposed completely about the exterior surfaces of the wall surfaces to define a plane parallel to the receptacle bottom surface and disposed immediately adjacent the bottom portion of one of the rib members, and with said cover member including a pair of parallelly extending grooves disposed in the interior surface completely about the edge surfaces and of a size and configuration to receive the receptacle ribs therein, a rib extending between the cover grooves and adapted to be received in the receptacle groove whereby the cover is snap-fitted to the receptacle for sealing the receptacle compartment.