Container neck finish configuration for improved tamper evident

Details Container neck finish configuration for improved tamper evident Container neck finish configuration for improved tamper evident

1989-02-24

1990-06-26

Marcus, Stephen

Bottles and jars

Closures

Frangible member or portion

215256, 215258, 215330, B65D 5502

Patent

active

049364740

ABSTRACT:
This relates to an improved container tamper evident bead and neck finish arrangement which provides improved tamper evident band breakage upon removal of an associated closure. Most specifically, beneath the customary retaining bead, a container neck finish is of corrugated or scalloped configuration and is of a size whereby the tamper evident band or a retaining bead thereof is stretched across the space defined by a groove between two adjacent ribs so as to provide for a degree of interlock between the stretched tamper band and the container neck finish such that the tamper evident band is restrained against rotation with the remainder of the closure when the closure is rotated to effect removal thereof. This provides for a much quicker and more reliable breaking of the webs joining the tamper evident band to the closure skirt.

REFERENCES:
patent: 3817416 (1974-06-01), Costa
patent: 3871545 (1975-03-01), Bereziat
patent: 3901403 (1975-08-01), Menke
patent: 3924769 (1975-12-01), Fillmore
patent: 3955696 (1976-05-01), Finke
patent: 4310101 (1982-01-01), Sekine
patent: 4494664 (1985-01-01), Guala
patent: 4527706 (1985-07-01), Swartzbaugh et al.
patent: 4771904 (1988-09-01), Perne et al.
"The P-3 Closure", Aluminum Company of America product brochure-form #992-100-6033, 1 page.

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