Lid for food trays

Details Lid for food trays Lid for food trays

1988-03-04

1990-05-15

Yeung, George

Food or edible material: processes, compositions, and products

Packaged or wrapped product

Having destructive type opening utilizing tearing appendage

426396, 426412, B65D 8500

Patent

active

049256858

ABSTRACT:
The present invention provides a tray having a floor, walls attached thereto, said walls having a rim distal to the floor, said tray having food placed therein and an amorphous polyester, e.g. polyethylene terephthalate, a partially crystalline polyester, e.g. polyethylene terephthalate, or amorphous nylon film stretched across the rim and extending down the outer portion of the wall adjacent to the rim in a vacuum-induced thermally-set crimp. The polyester or nylon may optionally be blended with a compatibilized polyolefin.

REFERENCES:
patent: 3230093 (1966-01-01), Albertus
patent: 3481101 (1969-12-01), Steadman
patent: 3695900 (1972-10-01), Young et al.
patent: 4611456 (1986-09-01), Gillio-tos et al.

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