Method of making multilayered containers

Details Method of making multilayered containers Method of making multilayered containers

1976-11-22

1978-05-30

Robinson, Ellis P.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

215 1C, 426127, 426133, 426415, 428212, 428483, 428 35, 428507, 428509, 428510, 428513, 428514, 428518, 428520, 428522, B65D 2300, B65D 2302

Patent

active

040923916

ABSTRACT:
A method of making multilayered hollow plastic containers having improved resistance to permeation by unwanted gases, especially injection blow molded containers having a preformed inner lining which is applied to a core prior to the formation of the composite parison. One layer is a barrier plastic having substantial but incomplete resistance to gas permeation, and another layer contains a getter material capable of binding unwanted gas uniformly dispersed throughout. The resultant improved container is characterized by having improved resistance to gas permeation.

REFERENCES:
patent: 3364521 (1968-01-01), Valyi
patent: 3415916 (1968-12-01), Valyi
patent: 3429717 (1969-02-01), Cook
patent: 3717544 (1973-02-01), Valyi
patent: 3719735 (1973-03-01), Valyi
patent: 3733309 (1973-05-01), Wyeth
patent: 3776991 (1973-12-01), Marcus
patent: 3797983 (1974-03-01), Merz
patent: 3944645 (1976-03-01), Farrell
patent: 3955697 (1976-05-01), Valyi
patent: 3979491 (1976-09-01), Zavasnik

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