Plastic closure with barrier coating

Details Plastic closure with barrier coating Plastic closure with barrier coating

1988-05-17

1989-10-10

Norton, Donald F.

Bottles and jars

Closures

Cap type

215348, 215316, B65D 5300

Patent

active

048725730

ABSTRACT:
A moldable plastic closure comprising a selectively foamed, unitarily molded layer and at least one layer of barrier resin adapted to retard the migration of oxygen-containing gasses through the closure.

REFERENCES:
patent: 3976217 (1976-08-01), Dukess
patent: 4347939 (1982-09-01), Upton
patent: 4640428 (1987-02-01), Chang
patent: 4723678 (1988-02-01), Kollen et al.
patent: 4756437 (1988-07-01), Rossi-Mossuti

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