Container closures and sealed containers

Details Container closures and sealed containers Container closures and sealed containers

1989-06-23

1991-09-03

Seccuro, Carman J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

428 357, 428 64, 426106, 215316, C08L 2312, C08L 2904, B65D 4100

Patent

active

050455940

ABSTRACT:
A preformed container closure element, preferably a cap, is formed of a polymeric matrix containing an ethylene vinyl alcohol polymer to reduce oxygen permeability of the cap. The cap is of special value for sealing filled jars or bottles, especially of glass, wherein the filling is beer.

REFERENCES:
patent: 3524905 (1970-08-01), Coates
patent: 3857754 (1974-12-01), Hirata et al.
patent: 3931449 (1976-01-01), Hirata et al.
patent: 3975463 (1976-08-01), Hirata et al.
patent: 4568529 (1986-02-01), Leconte

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