Tamper indicating closure

Details Tamper indicating closure Tamper indicating closure

1983-02-14

1984-05-08

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215211, 215220, B65D 5502, A61J 100, B65D 8556

Patent

active

044469799

ABSTRACT:
A tamper indicating closure including an outer cap and an inner liner which relies on relative movement of the outer cap and the inner liner during opening movement to indicate tampering of the container after it has been sealed for the first time, the relative movement being insured by a means which coact with the container to resist rotation of the liner and maintain the container in a sealed condition while the outer cap is being rotated in an opening direction. Once opened, the outer cap and the inner liner are maintained in a position for movement as a unit in both the opening and closing direction of the closure.

REFERENCES:
patent: 2201205 (1940-05-01), Samburg
patent: 2414420 (1947-01-01), Sebell
patent: 2939597 (1960-06-01), Greene
patent: 3073468 (1963-01-01), Arneson
patent: 3756445 (1973-09-01), Hedgewick
patent: 4223794 (1980-09-01), Morris
patent: 4271971 (1981-06-01), Morris
patent: 4371088 (1983-02-01), Gach

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