Bottles and jars – Closures – Including visual indicia
Patent
1994-02-08
1996-10-22
Cronin, Stephen K.
Bottles and jars
Closures
Including visual indicia
215250, 215270, 215271, 426 87, 426383, 428209, 428916, 116270, 116335, 116212, B65D 3900
Patent
active
055668461
ABSTRACT:
A button enhancement coating system wherein mechanically actuated buttons and vacuum actuated buttons of closures may be provided with a coating system which changes color after the closure has been applied to a container and then removed therefrom with the change in color indicating tampering. The coating system includes a first coating layer applied directly to the upper surface of the button and a second coating layer of a different color applied in overlying and bonded relation to the first coating layer. The second coating layer is preferably transparent and the two colors are selected so that they produce a third color while the coating layers are bonded together. When the two coating layers become separated during the removal of the closure from a container, the button assumes the color of the second coating layer. The first coating layer may have an embossed upper surface including ribs and grooves with the second coating layer flowed thereinto. When the second coating layer is caused to shrink, mating can no longer be effected.
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patent: 5018632 (1991-05-01), Schmidt
Continental White Cap Inc.
Cronin Stephen K.
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