Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1976-02-20
1976-11-16
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
215222, 215320, 215354, B65D 5502, B65D 8556, A61J 100
Patent
active
039918955
ABSTRACT:
A cover for a specially constructed receptacle having a circular entryway, such as a pharmaceutical vial of plastic, satisfies the present day requirement for moisture-proofing containers of moisture-affected medicines by providing an elongate, resilient plastic skirt which extends deeply into the entryway through the open mouth of the receptacle. Mutually confronting, coacting, circular formations internally of the receptacle and intermediate the length of the skirt interengage in sealing, line contact when the cover is secured over the open mouth of the receptacle. One of the circular formations has a sharp edge, the other is a smooth surface against which the sharp edge impinges. Either formation may be carried by either the receptacle or the skirt. For long useful life, the sharp edge is preferably of softer material than the smooth surface, so as not to indent nor otherwise damage the smooth surface. Securement of cover to receptacle may be of child-resistant or of easy-opening type.
REFERENCES:
patent: 3592349 (1971-07-01), Baugh
patent: 3951289 (1976-04-01), Landen
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