One piece dispensing closure

Details One piece dispensing closure One piece dispensing closure

1976-05-24

1978-03-07

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

215257, B65D 4150

Patent

active

040775372

ABSTRACT:
A tamper-proof, one-piece device for securement to a receptacle for a fluent substance, the device including a membrane to seal the contents of the receptacle prior to initial use but which is rupturable through the medium of a piercing point to enable pouring of the contents. The membrane-puncturing element serves as a stopper to inhibit leakage and evaporation during periods of non-use.

REFERENCES:
patent: 2149795 (1939-03-01), Skoblin
patent: 2977973 (1961-04-01), Chakine
patent: 3182858 (1965-05-01), Beaudoin

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