Packaging foil

Details Packaging foil Packaging foil

1984-10-29

1986-09-23

Kittle, John E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Fold at edge

428 76, 428461, 156218, 156226, 206484, B32B 304, B29D 2310, B65D 7300

Patent

active

046135367

ABSTRACT:
A packaging foil for foods and other everyday goods, the foil being composed of two or more barrier layers as well as plastic coatings between the barrier layers and which form the outer surfaces of the foil; in addition, the invention provides for a method of manufacturing the foil. With the object of achieving a thin, stiff and accordingly advantageous foil, the packaging foil has been formed by joining together and sealing sheets containing one barrier layer, one side of said sheets having been covered with a layer of plastic intended for the protection of the inner layer and outer layer and the other side with a layer of plastic intended for separating and insulating the barrier layers.

REFERENCES:
patent: 2774698 (1956-12-01), Jenk et al.
patent: 3297515 (1967-01-01), Regenstein et al.
patent: 3976224 (1976-08-01), Ericson et al.
patent: 4158587 (1979-06-01), Keller et al.
patent: 4310578 (1982-01-01), Katsura et al.

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