Closure device with roller-operated tear tab

Details Closure device with roller-operated tear tab Closure device with roller-operated tear tab

1994-11-22

1996-07-02

Shoap, Allan N.

Bottles and jars

Closures

Frangible member or portion

220254, 220266, 220270, 2225419, B65D 3900, B65D 4736

Patent

active

055313400

ABSTRACT:
A tamper-evident closure device (11) for a container (10) has a tear tab (17) which can be at least partially detached by tearing to leave an opening through which the contents of the container (10) can be removed. A roller (18) integral with one edge (17b) of the tab (17) has an operating member (19) for manually rotating the roller (18) back across the tab (17) from the one edge (17b) such that during such rotation the tab (17) is progressively torn away starting at the one edge (17b).

REFERENCES:
patent: 1812111 (1931-06-01), Mock
patent: 3448887 (1969-06-01), Geiger
patent: 3687328 (1972-08-01), Spruyt et al.
patent: 4301940 (1981-11-01), Cvacho

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