Multilayered container and process for production thereof

Details Multilayered container and process for production thereof Multilayered container and process for production thereof

1988-08-09

1989-09-19

Robinson,, Ellis

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

215 1C, 220468, 264537, 4284752, B65D 2300, B29C 4906

Patent

active

048680265

ABSTRACT:
A biaxially oriented blow-molded container composed of a thermoplastic gas-barrier resin (resin B) and a thermoplastic resin (resin A) other than resin B and having excellent gas-barrier property and delamination strength. The container comprises a substantially non-oriented mouth portion composed of resin A, a portion composed of two layers of resin A and one layer of resin B which are laminated with the resin A layer and the resin B layer occurring alternately and a portion composed of three layers of resin A and two layers of resin B which are laminated with the resin A layer and the resin B layer occurring alternately. A portion having a small radius of curvature where delamination tends to occur is formed in a three-layer structure. A process for producing the container is also provided.

REFERENCES:
patent: 4550043 (1985-10-01), Beck
patent: 4728549 (1988-03-01), Shimizu et al.

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