Closure for pressurized containers

Details Closure for pressurized containers Closure for pressurized containers

1981-06-29

1983-08-16

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

215344, 215DIG1, B65D 5300

Patent

active

043986455

ABSTRACT:
A screw-type linerless closure molded of resilient plastic is provided with a combination of sealing structures directed toward the particular characteristics of glass containers as used for pressurized beverages, though it may also be used for other containers. Novel means for accomodating large dimensional tolerances and special surface conditions are used, along with prior art constructions, to secure improved sealing under a wide variety of conditions.

REFERENCES:
patent: 3055526 (1962-09-01), Plunkett
patent: 3203571 (1965-08-01), Plunkett
patent: 3286866 (1966-11-01), McIntosh
patent: 3583591 (1971-06-01), Hayashida
patent: 3802590 (1974-04-01), Culver
patent: 4241842 (1980-12-01), Toeppen
patent: 4294370 (1981-10-01), Toeppen

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