Cup and package of cups

Details Cup and package of cups Cup and package of cups

1978-08-28

1980-03-18

Lowrance, George E.

Special receptacle or package

Combined or convertible

Including drinking vessel

206519, 229 15B, B65D 6200, B65D 8572, B65D 2102

Patent

active

041934946

ABSTRACT:
Food storage vessels in the form of foam polystyrene cups are each formed with an enlarged cap seat extending from a bottom wall of the cup to define a compartment to be filled when the cups are inverted, with deliquescent or hygroscopic material which can be reconstituted with the addition of water. The cups are inverted after stacking and held together by means applying endwise pressure thereto. In this nested and stacked condition, each cup has a depending base wall, which forms the cap seat, in sealed engagement with an adjacent portion of an adjacent nested cup to provide a sealed enclosure for the material between adjacent cups. Each of the cups is a thick wall, one-piece molded plastic cup preferably of foamed polystyrene.

REFERENCES:
patent: 2971304 (1961-02-01), 0'Neil
patent: 3227273 (1966-01-01), Syverson
patent: 3495733 (1970-02-01), Davis
patent: 3696987 (1972-10-01), Schuff
patent: 4024951 (1977-05-01), Green

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