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EP1728731: Peelable vacuum skin packages
No Claims, No Drawings
The present invention describes vacuum skin packages comprising a thermoplastic film and a polyester substrate wherein the thermoplastic film includes at least a first polymer layer having a first surface and an opposing second surface and comprises an ethylene/unsaturated ester copolymer, wherein the first surface has been surface treated in a manner to exhibit a surface tension of between 36-60 dynes/cm. The thermoplastic film is adapted to form a peelable seal between the first surface of the first polymer layer of the thermoplastic film and the polyester substrate by a pressure of less than 1 × 10 5 Pa applied therebetween, wherein the peelable seal has a seal strength of between 0.5-6 1b./in. (0.09-1.08 kg/cm).
The current document has no claims.
U.S. Patent Documents
Foreign Patent Documents
|Document Number||Assignees||Inventors||Issue/Pub Date|
|EP0503786||OSCAR MAYER FOODS CORPORATION|
The current document is not referenced by other documents.