Multilayered container

Details Multilayered container Multilayered container

1987-12-21

1989-03-28

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

215 1C, 4284752, 428483, 428335, 428336, B65D 2300, B32B 2736

Patent

active

048163082

ABSTRACT:
A biaxially oriented multilayered container consisting of a body portion and a mouth portion. The body portion comprises one or more layers of a thermoplastic gas-barrier resin B and layers of a thermoplastic resin A other than the resin B which are larger in number than the resin B layers by 1, the resin A and B layers being laminated alternately, and at least the open end part of said mouth portion is composed of a single layer of the resin A. As a characteristic feature, a coarsely mixed resin layer of resins A and B in which the proportion of resin particles having a long diameter of not more than 10 .mu.m is not more than 10% exists in at least one of the boundaries between the resin A and B layers.

REFERENCES:
patent: 4528219 (1985-07-01), Yamada et al.
patent: 4535901 (1985-08-01), Okudaira et al.
patent: 4535901 (1985-08-01), Okudaira
patent: 4564541 (1986-01-01), Taira et al.
patent: 4728549 (1988-03-01), Shimizu et al.
patent: 4741936 (1988-05-01), Nohara et al.

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