Continental White Cap, Inc.

H Darrell Iler

Robert J Heilman

Mark Egger

Leonard Rozanksi

This relates to a color change system to be incorporated in a flexing area of an end panel of a closure. The color change system includes a dark background coating on a flexing portion of the closure end panel to which there is bonded by way of an adhesive such as a varnish, ink or coating a brittle layer which due to the flipping action of the flexing portion of the end panel will fracture. The brittle layer is preferably of a light color and is colored utilizing a fluorescent dye. The combination of the background color and the fluorescent color of the brittle layer produces a first color in the original closure and when the end panel flexes and the brittle layer fractures to not only crack but also tear apart or delaminate from itself, to reflect its own light color much more brilliantly, the color of the color change system drastically changes to indicate tampering. This color change is irreversible. The color change system may also include a message indicia.

Closure with irreversible color change system

This relates to a mechanically actuated closure cap which is provided with a tamper indicating feature. The closure cap includes an end panel having a centrally located button that is normally in a button down position, but when the closure cap is applied to a container, it is mechanically actuated to a button up position. A translucent panel is fixedly applied to the closure cap in overlying relation to the end panel and there is positioned between the button and the translucent panel several possibilities of devices for indicating that the closure cap has been applied to a container and either is in its original position relative to the container or has been removed therefrom. In each instance indicia is involved with the indicia either indicating that the container has not been opened with this indicia disappearing when the container is opened, or the indicia indicating that the container has been opened and the indicia not appearing until the closure cap has been applied to the container and then removed therefrom. In each instance, either the removal of the indicia or the appearance of the indicia is not reversible.

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Wheaton, IL, United States of America

H Darrell Iler