Multilayered container

Stock material or miscellaneous articles – Hollow or container type article – Cellular material derived from plant or animal source

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Details

428412, 4284752, 428483, 428516, 428518, 428520, 215 1C, 264126, 264153, 425523, B27N 502, B32B 2736, B32B 2728, B32B 2708

Patent

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047285494

ABSTRACT:
A multilayered container comprising a wall portion consisting of thermoplastic gas barrier resin (resin B) layers and thermoplastic resin (resin A) layers, with the terminal portion of the mouth opening being of a thermoplastic resin (resin A), said wall portion being a multilayered structure formed by alternately laminating the resin A layers and the resin B layers in such a manner that there are at least two resin B layers, with the proviso that there is one more of the resin A layer than the number of the resin B layers, said structure having been biaxially oriented.

REFERENCES:
patent: 3977153 (1976-08-01), Schrenk
patent: 4047873 (1977-09-01), Farrell
patent: 4323531 (1982-04-01), Bradley et al.
patent: 4352766 (1982-10-01), Bradley et al.
patent: 4436778 (1984-03-01), Dugal
patent: 4513037 (1985-04-01), Collins
patent: 4535901 (1985-08-01), Okudaira et al.
patent: 4550043 (1985-10-01), Beck

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