Tamper evident container closure

Details Tamper evident container closure Tamper evident container closure

1984-08-15

1985-08-13

Pollard, Steven M.

Bottles and jars

Closures

Frangible member or portion

215258, B65D 4912

Patent

active

045344795

ABSTRACT:
A tamper evident container closure for a container having a threaded mouth portion and a plurality of teeth members adjacent said mouth portion. The container closure comprises a threaded cap, a split ring, and an indicator member. The threaded cap is provided for engaging the mouth portion of the container. The split ring is located generally concentric with and slightly outside a lower portion of the cap and is frangibly connected thereto. The ring includes a plurality of pawls for engaging the teeth members of the container to inhibit twisting of the split ring as the cap is twisted off the container. The indicator member is rigidly secured to the cap and radially extends outward therefrom, between the spaced ends of the split ring, to rub against that ring as the cap is twisted off the container.

REFERENCES:
patent: 3463341 (1969-08-01), Fields
patent: 4126240 (1978-11-01), Brach
patent: 4174044 (1979-11-01), Kimm et al.
patent: 4305516 (1981-12-01), Perne et al.
patent: 4352436 (1982-10-01), Chartier et al.
patent: 4457437 (1984-07-01), Heath, Jr.
patent: 4479586 (1984-10-01), Csaszar

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