B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
190/150, 18/978,
B65D 1/48 (2006.01) B32B 5/02 (2006.01) B32B 5/18 (2006.01) B65D 23/08 (2006.01)
Patent
CA 1072433
Abstract of the Disclosure There is disclosed herein improved packages, and methods of forming same, of the type wherein a container, such as for example a glass container, like a bottle or jar, is provided externally thereof with a heat-shrunk, cellular thermoplastic member, circumferentially and snugly engaging a sidewall portion of the container; the improvement resides in employing, as the thermoplastic member, a composite structure, or laminate, of a closed cellular polymeric layer preponderantly of polystyrene having incorporated therein from zero weight percent up to compatible amounts of a copolymer of ethylene and an alkyl ester of alpha-beta monoethylenically unsaturated carboxylic acid or a copolymer of ethylene and vinyl acetate or a copolymer of ethylene and an alpha-beta monoethylenically unsaturated carboxylic acid, or mixtures thereof, and, in adhered relation- ship to said cellular layer, a layer of a noncellular polymeric material preponderantly of ethylene moieties having incorporated therein moieties of vinyl acetate, or an alkyl ester of alpha- beta monoethylenically unsaturated carboxylic acid, or an alpha- beta monoethylenically unsaturated carboxylic acid, or mixtures thereof.
235162
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