Tamperproof package

Details Tamperproof package Tamperproof package

1984-05-04

1985-07-23

Lowrance, George E.

Bottles and jars

Closures

Frangible member or portion

215250, 215341, 29451, B65D 4134

Patent

active

045304378

ABSTRACT:
A tamperproof package comprising a container having a neck and an annular radial flange beneath the neck and a plastic closure removably interengaged with the neck. The closure has a top wall and a peripheral skirt. A plastic pilfer band interengages the skirt, such that when the closure is applied to the container, the band is flexed over and engages beneath annular flange on the neck of the container, and when the closure is thereafter removed from the container, the band is prevented from removal from the container and is thereby disengaged from the closure. In a modified form the plastic pilfer band includes an integral liner which is severed from the band and engages the top wall of the closure during assembly of the band to the closure.

REFERENCES:
patent: 2841863 (1958-07-01), Geisler
patent: 2864521 (1958-12-01), Kundert
patent: 3171561 (1965-03-01), MacLean
patent: 3195227 (1965-07-01), Prestige
patent: 3329295 (1967-07-01), Fields
patent: 3959061 (1976-05-01), Renck et al.
patent: 4060172 (1977-11-01), Amabili
patent: 4133462 (1979-01-01), Lindstrom
patent: 4157144 (1979-06-01), Weiler et al.
patent: 4196818 (1980-04-01), Brownbill
patent: 4227618 (1980-10-01), Zipper
patent: 4347939 (1982-09-01), Upton
patent: 4383620 (1983-05-01), Mumford

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