LABEL-INDICATOR Russian patent published in 2009 - IPC G09F3/00 G01K3/04 

Abstract RU 2343558 C2

FIELD: technological processes.

SUBSTANCE: invention is related to the field of labeling of products with limited shelf life. Label-indicator contains base for possible application of inscriptions and/or images on front surface and additional external transparent coating. External coating is made with formation of at least two chambers, one holding the dye and the other - dye carrier. Chambers are separated with bridge that is arranged with the possibility of depressurisation.

EFFECT: makes it possible to visually detect shelf life of labeled product without package opening.

7 cl, 4 dwg

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RU 2 343 558 C2

Authors

Serchenja Andrej Ehduardovich

Kostromin Denis Mikhajlovich

Akulinin Aleksej Jur'Evich

Dates

2009-01-10Published

2007-01-15Filed