Patent ID: 6194042
Filing Date: 2001-02-27
Classification: B32B,B65D,C01B,C09K,Y10T

Abstract:
A method for forming a liner for use with a container closure, the method comprising the steps of:providing a polymer gas barrier material in resin form;providing first and second skin materials in resin form;providing foam materials for forming a foam layer;providing an adhesive in resin form;coextruding simultaneously said gas barrier material, said first and second skin materials, said foam materials, and said adhesive to form a multi-layer sheet, wherein said foam materials coact to form a foam layer, said gas barrier material is adjacent to said adhesive, and said foam layer and said gas barrier material are between first and second skin layers; and,cutting said multi-layer sheet to a predetermined size to form the liner for use with the container closure.