EP1662460A3 - Device for providing an optical display of a time limit and method for producing such device - Google Patents

Device for providing an optical display of a time limit and method for producing such device Download PDF

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Publication number
EP1662460A3
EP1662460A3 EP05025321A EP05025321A EP1662460A3 EP 1662460 A3 EP1662460 A3 EP 1662460A3 EP 05025321 A EP05025321 A EP 05025321A EP 05025321 A EP05025321 A EP 05025321A EP 1662460 A3 EP1662460 A3 EP 1662460A3
Authority
EP
European Patent Office
Prior art keywords
producing
providing
time limit
optical display
end date
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05025321A
Other languages
German (de)
French (fr)
Other versions
EP1662460A2 (en
Inventor
Andreas Günther Georg Schott
Liselotte Lepinat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1662460A2 publication Critical patent/EP1662460A2/en
Publication of EP1662460A3 publication Critical patent/EP1662460A3/en
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F2003/0283—Forms or constructions food-compatible or edible

Abstract

Die Erfindung betrifft eine optische Anzeige eines zeitlichen Endpunktes.The invention relates to a visual display of a temporal endpoint.

In zahlreichen Bereichen ist es notwendig, ein Enddatum anzugeigen, beispielsweise um die Haltbarkeit von Lebensmitteln bzw. deren Ablauf anzuzeigen.In many areas it is necessary to enter an end date, for example to indicate the shelf life of food or its expiry.

Erfindungsgemäß wird für die Anzeige des Enddatums bzw. für die Anzeige des Fortschreitens des Zeitpunktes innerhalb des definierten Zeitraumes ein Haltbarkeitszeichen (1) verwendet, auf welchem ein Farbstoff auf einem Trägermaterial (4) wandert. Durch die Wanderung des Farbstoffes (3) wird das Fortschreiten der Zeit und damit das Herannahen des Enddatums angezeigt.

Figure imgaf001
According to the invention, a durability mark (1) on which a dye migrates on a carrier material (4) is used for the display of the end date or for the indication of the progression of the time within the defined period. The migration of the dye (3) indicates the progression of time and thus the approach of the end date.
Figure imgaf001
EP05025321A 2004-11-26 2005-11-21 Device for providing an optical display of a time limit and method for producing such device Withdrawn EP1662460A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200410057285 DE102004057285A1 (en) 2004-11-26 2004-11-26 Optical display of a temporal endpoint

Publications (2)

Publication Number Publication Date
EP1662460A2 EP1662460A2 (en) 2006-05-31
EP1662460A3 true EP1662460A3 (en) 2006-11-02

Family

ID=36061386

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05025321A Withdrawn EP1662460A3 (en) 2004-11-26 2005-11-21 Device for providing an optical display of a time limit and method for producing such device

Country Status (2)

Country Link
EP (1) EP1662460A3 (en)
DE (1) DE102004057285A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012110571A1 (en) * 2012-11-05 2014-05-08 Christian Lenz Device for detecting e.g. time period of food product, has identification unit comprising marking element such that consumer or supplier immediately recognizes that product is no longer need to be supplied
CN109767688B (en) * 2019-03-06 2021-11-02 武汉工程大学 Color indicating label for monitoring food oxidation degree and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0815251A (en) * 1994-07-01 1996-01-19 Advance Co Ltd Food freshness condition displaying body
US5555223A (en) * 1992-02-20 1996-09-10 Barainsky; Markus Consumer item
JPH11248550A (en) * 1998-02-26 1999-09-17 Toshiba Tec Corp Temperature management member
DE10021313A1 (en) * 2000-05-02 2001-11-08 Ludwig Hoegl Food packaging, has a shelf-life indicator in form of one or more fixed or removable color indicators

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5555223A (en) * 1992-02-20 1996-09-10 Barainsky; Markus Consumer item
JPH0815251A (en) * 1994-07-01 1996-01-19 Advance Co Ltd Food freshness condition displaying body
JPH11248550A (en) * 1998-02-26 1999-09-17 Toshiba Tec Corp Temperature management member
DE10021313A1 (en) * 2000-05-02 2001-11-08 Ludwig Hoegl Food packaging, has a shelf-life indicator in form of one or more fixed or removable color indicators

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 05 31 May 1996 (1996-05-31) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 14 22 December 1999 (1999-12-22) *

Also Published As

Publication number Publication date
EP1662460A2 (en) 2006-05-31
DE102004057285A1 (en) 2006-06-08

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