Tamper evident closure

Details Tamper evident closure Tamper evident closure

1983-02-28

1985-01-22

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

215258, B65D 4134

Patent

active

044946643

ABSTRACT:
A tamper evident closure for bottles and containers includes a cap and a tamper-indicating lower ring or belt, those two parts are linked together by a weak breakable circumferential area, which will break at opening of the container leaving behind the lower ring. This closure is the result of a simplified manufacturing process that forms the breakable circumferential area by forming misaligned cuts about the circumference of the closure between the upper cap and lower ring. Upon opening, the lower ring moves down on the neck of the container. Upon reclosing, the space between the cap and ring makes the prior opening of the bottle very evident.

REFERENCES:
patent: 2162754 (1939-06-01), Schauer
patent: 3232470 (1966-02-01), Gibson
patent: 3314564 (1967-04-01), Andersen et al.
patent: 3335889 (1967-08-01), Brumme
patent: 3904062 (1975-09-01), Grussen
patent: 3957169 (1976-05-01), Coursaut
patent: 4225050 (1980-09-01), Reinhart
patent: 4322009 (1982-03-01), Mumford
patent: 4343408 (1982-08-01), Csaszar

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