Patent ID: 8597746
Filing Date: 2013-12-03
Classification: B65D,Y10T

Abstract:
1. A vacuum skin package comprising: (a) a thermoplastic film; (b) a polyester substrate; (c) a product enclosed between said thermoplastic film and said polyester substrate; wherein said thermoplastic film comprises at least a first polymer layer having a first surface and an opposing second surface, wherein said first surface is surface treated to produce a surface tension thereupon of between 36-60 dynes/cm as measured in accordance with ASTM D-2578-84 Test Method, wherein said first layer is an exterior film layer consisting essentially of an ethylene/unsaturated ester copolymer and is free of both polybutylene and ionomer resin; and (d) a peelable seal formed between said first surface of said first layer of said thermoplastic film and said polyester substrate by pressure of less than 1× wherein said thermoplastic film is peelably sealed to the entire surface area of said polyester substrate expect for the portion of the film covering the product so that said thermoplastic film remains in close contact with said product surfaces after sealing.