Receptacles – Horizontally attached receptacle sets – With stacking feature
Patent
1979-07-20
1982-06-08
Lowrance, George E.
Receptacles
Horizontally attached receptacle sets
With stacking feature
D 7 38, 206217, 206503, 206509, 206545, 206558, 206564, 220444, 220902, 229 25R, B65D 126, B65D 2104
Patent
active
RE0309621
ABSTRACT:
An insulated tray for holding and serving food or the like, either directly on the tray or in receptacles supported on the tray. One embodiment comprises upper and lower cover members made of thin impervious material, preferably plastic sheet material, the space between said cover members being filled with insulating foam, preferably plastic foam, the edges of said cover members being joined around the periphery of the tray, the upper cover member being dished to form one or more receptacles for holding food or the like, the upper cover member being formed with a groove extending around one or more of the dished portions, the lower cover member being formed with a complementary tongue, whereby a plurality of the trays may be stacked with the tongue of one tray nesting in the groove of the underlying tray, the tongue and groove forming a seal around the dished portion. In another embodiment, the lower cover member is omitted. Another embodiment employs thin plastic receptacles as liners in the dished portions of the tray. Each liner has a bead shaped sealing flange which engages a sealing surface on the lower side of the tray above when the trays are stacked. In another embodiment, the tray is made of insulating resinous plastic foam. A skin or coating may be provided on all or a portion of the outside of the tray.
REFERENCES:
patent: 1336776 (1920-04-01), Drinkwater
patent: 2436097 (1928-02-01), Clarke
patent: 2623656 (1952-12-01), Rottau
patent: 2641912 (1953-06-01), Lawler
patent: 2672697 (1954-03-01), LaTour
patent: 2886225 (1959-05-01), Clarke
patent: 3016129 (1962-01-01), King
patent: 3113710 (1963-12-01), Meagher
patent: 3120570 (1964-02-01), Kennedy
patent: 3122265 (1964-02-01), Innis
patent: 3295737 (1967-01-01), Page et al.
Aladdin Industries Incorporated
Lowrance George E.
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