Polymeric multiple-layer sheet material

Details Polymeric multiple-layer sheet material Polymeric multiple-layer sheet material

1978-08-24

1980-01-15

Dixson, Jr., William T.

Special receptacle or package

Tray type

126390, 219 1055E, 220405, 229 25R, 428322, B65D 134, C08F 4308

Patent

active

041834356

ABSTRACT:
A polymeric multiple-layer sheet material particularly suited for making containers for food products to be cooked or reheated in microwave ovens has a relatively thick core layer of foamed, high density polyethylene with thinner surface layers of a coextruded polyester, such as polyethylene terephthalate. The surface layers are preferably bonded to the core by suitable adhesive layers.

REFERENCES:
patent: 3684633 (1972-08-01), Haase
patent: 3865302 (1975-02-01), Kane
patent: 4003368 (1977-01-01), Maxel

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