Patent ID: 6503549
Filing Date: 2003-01-07
Classification: B32B,Y10T

Abstract:
A method for making a package comprising the steps of:a) coextruding a multilayer lidding film comprising a sealant layer, a gas barrier layer, and an abuse layer, the gas barrier layer comprising at least one member selected from the group consisting essentially of ethylene vinyl alcohol and vinylidene chloride, the sealant layer comprising a polyethylene terephthalate copolymer, wherein the diol component of the polyethylene terephthalate copolymer comprises greater than about 50% by mole of glycol polymerization units; b) providing a support member comprising a polyester; c) placing a product on the support member; d) extending the lidding film above the support member and product, the sealant layer being immediately above and adjacent to the support member and the product; and e) sealing the lidding film to the support member such that the product is enclosed thereby and such that the sealant layer is directly sealed to the periphery of said support member.