Flask for sterile liquids

Details Flask for sterile liquids Flask for sterile liquids

1983-06-08

1985-01-15

Norton, Donald F.

Bottles and jars

Closures

Including visual indicia

215252, 215258, 215 31, 2151005, 222571, B65D 4134

Patent

active

044934270

ABSTRACT:
A flask for sterile liquids capable of supporting a terminal sterilization of pharmaceutical quality. The flask has a tamper-proof closure comprising a cap screwed on its neck and a locking ring formed in two parts axially superposed and joined by a breakable zone. One of the parts is axially carried away by the cap during opening of the flask and the other part is held axially by a shoulder formed on the neck. The cap encloses a seal made of elastomeric material inserted between its bottom and the edge of the neck, this seal being axially solid with the cap and comprising a skirt applying itself against the inner surface of the neck in a bacteriologically sealproof manner along a height sufficient to ensure a bacteriological closure seal until the locking ring is broken.

REFERENCES:
patent: D253453 (1979-11-01), Kretz
patent: D272721 (1984-02-01), Grey
patent: 2788161 (1957-04-01), Kemper
patent: 2829807 (1958-04-01), Kirschenbaum
patent: 2854163 (1958-09-01), Barnby
patent: 3325034 (1967-06-01), Squire
patent: 3788510 (1974-01-01), Collins
patent: 3888373 (1975-06-01), Gach et al.
patent: 4077536 (1978-03-01), Brandtberg
patent: 4147268 (1979-04-01), Patel et al.
patent: 4157144 (1979-06-01), Weiler et al.
patent: 4190169 (1980-02-01), Pehr
patent: 4197960 (1980-04-01), Walter
patent: 4217989 (1980-08-01), George
patent: 4394923 (1983-07-01), Sugiyama
patent: 4436212 (1984-03-01), Llera

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