Food tray and lid with sealed panels and method of forming same

Details Food tray and lid with sealed panels and method of forming same Food tray and lid with sealed panels and method of forming same

B - Operations, Transporting

65

D

217/166, 18/962

B65D 1/34 (2006.01) B29C 65/54 (2006.01) B65D 1/36 (2006.01) B65D 81/38 (2006.01)

Patent

CA 1149340

FOOD TRAY AND LID WITH SEALED PANELS AND METHOD OF FORMING SAME ABSTRACT OF THE DISCLOSURE An insulated food serving tray or lid therefore which includes a pair of preformed thermoplastic panels bonded together about a peripheral seam to permanently encase an insulator within a chamber between the panels. At the peripheral seam area, a first panel has an outwardly extending ledge area with a retaining lip. The second panel has aperipheral tongue area that fits inside the lip of the first panel. The panels are joined between the lip and tongue by a bonding material to provide a peripheral seam that is protected from fracture when the tray or lid is laterally banged at the peripheral seam area during handling. A method of forming the tray or lid is disclosed which includes forming the tray or lid with a gap between the insulation and panels at the time of assembly. -1-

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