Bottle cap having opening means

Details Bottle cap having opening means Bottle cap having opening means

1980-06-17

1982-06-08

Hall, George T.

Bottles and jars

Closures

Frangible member or portion

215317, B65D 4132

Patent

active

043335780

ABSTRACT:
A bottle cap is provided with a circular inner peripheral relief member that is in opposition to a mating groove in the neck of the bottle. An annular collar is positioned beneath the relief member and is spaced from the neck of the bottle. A bottle opener is used to crack the annular collar to thereby indicate that the cap has been removed.

REFERENCES:
patent: 2942747 (1960-06-01), Towns

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