Container closure

Details Container closure Container closure

1979-08-30

1980-10-14

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

215249, 215255, B65D 4140

Patent

active

042276179

ABSTRACT:
A container closure assembly for maintaining a sterile sealed container is provided having a ferrule having a top annular portion and a depending skirt portion for securing a resilient stopper for sealing the mouth of a container to the container, and a ring fitment for opening the closure assembly overlying and interlocking with the ferrule. The ferrule includes a central opening in the top annular portion, upwardly projecting locking portions about the periphery of the opening and a weakening line radially outwardly of and concentric with the locking portions. The fitment includes a disk portion and a concentric outer lifting ring hingedly connected to the inner disk portion for opening the closure assembly. The disk portion is secured within the opening of the top portion of the ferrule by the locking projections.

REFERENCES:
patent: 2465269 (1949-03-01), Rohde et al.
patent: 3071274 (1963-01-01), Ravn
patent: 3193128 (1965-07-01), Raun
patent: 3358865 (1967-12-01), Andersen
patent: 3587897 (1971-06-01), Rohde
patent: 3612340 (1971-10-01), Heffran
patent: 3750820 (1973-08-01), Labarre
patent: 3888377 (1975-06-01), Stadler

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