Tamper-proof container closure

Details Tamper-proof container closure Tamper-proof container closure

1989-08-03

1990-02-13

Marcus, Stephen

Bottles and jars

Closures

Combined or convertible

215231, 215256, 215364, B65D 4132

Patent

active

048998974

ABSTRACT:
A container closure in the form of a stopper is provided in which an outer wall engages exteriorly of the wall of the container. A tamper-proof ring is secured to the underside thereof by means of tear-off webs. The internal cylindrical surface of the ring comprises tabs directed obliquely inwardly and in the direction of the opening.

REFERENCES:
patent: 2829400 (1958-04-01), Morin
patent: 3441161 (1969-04-01), Van Baarn
patent: 3653529 (1972-04-01), Segmuller
patent: 4476993 (1984-10-01), Krout
patent: 4519514 (1985-05-01), Agbay et al.
patent: 4546892 (1985-10-01), Couput
patent: 4607759 (1986-08-01), Boetzkes
patent: 4646926 (1987-03-01), Agbay et al.

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