EP1995178A1 - Sac de sécurité doté d'un système de fermeture de sécurité ayant un élément de sécurité thermochrome - Google Patents

Sac de sécurité doté d'un système de fermeture de sécurité ayant un élément de sécurité thermochrome Download PDF

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Publication number
EP1995178A1
EP1995178A1 EP08009174A EP08009174A EP1995178A1 EP 1995178 A1 EP1995178 A1 EP 1995178A1 EP 08009174 A EP08009174 A EP 08009174A EP 08009174 A EP08009174 A EP 08009174A EP 1995178 A1 EP1995178 A1 EP 1995178A1
Authority
EP
European Patent Office
Prior art keywords
security
thermochromic
bag
color change
security element
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.)
Granted
Application number
EP08009174A
Other languages
German (de)
English (en)
Other versions
EP1995178B1 (fr
Inventor
Erhard Lengfeldner
Claudia Sauer
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.)
ON POINT INDICATORS GMBH
Original Assignee
USP Indicator Solutions GmbH
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 USP Indicator Solutions GmbH filed Critical USP Indicator Solutions GmbH
Publication of EP1995178A1 publication Critical patent/EP1995178A1/fr
Application granted granted Critical
Publication of EP1995178B1 publication Critical patent/EP1995178B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/34—End- or aperture-closing arrangements or devices with special means for indicating unauthorised opening
    • 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
    • G09F3/0292—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time tamper indicating labels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2401/00—Tamper-indicating means

Definitions

  • the invention relates to a security bag made of preferably environmentally friendly polyethylene or polypropylene with an irreversible security closure system according to the preamble of patent claim 1.
  • Such an irreversible security closure system is, for example, with the subject of EP 0 773 889 B1 known. It is a tamper-evident tape and a matching closure.
  • the purpose of the measures is to provide a closable with an adhesive tape closure bag whose unauthorized opening is readily apparent.
  • the cited document provides that the adhesive can only be dissolved under high temperatures, and if such an opening attempt takes place at high temperatures, a thermochromic layer should indicate the unauthorized opening.
  • thermochromic ink composition which has a special thermochromic ink composition, but which is unable to verify the originality of the thermochromic color change.
  • the invention is therefore based on the object, starting from the EP 0 773 889 B1 develop a tamper-evident tape and a corresponding closure so that after the occurrence of the thermochromic color change and the originality of the display element can be checked.
  • the invention is characterized by the technical teaching of claim 1.
  • An essential feature of the invention is that now provided according to the invention that an irreversible color change takes place in a first phase of heating and preferably in a temperature range below 90 ° and greater than the room temperature.
  • thermochromic security element is also stable against chemical attack.
  • it is stable to solvents, and can not be attacked and dissolved by the solvents mentioned.
  • This also serves to secure the security element, because it is therefore stable against chemical attack and if a chemical attack with a chemochromic color change, so that an attack with the chemical solvents readily recognizable.
  • thermochromic usable irreversible color change is additionally assigned a chemochromic color change.
  • thermochromic change of color when exposed to heat and checking for irreversible color change during chemical attack on the security strip further improves the security effect of this security strip.
  • the security strip is protected against thermal attack and against chemical attack and hardened and therefore meets the highest security requirements.
  • the originality can be checked in both cases.
  • a security bag 1 which preferably consists of a polyethylene, polypropylene, and the like, environmentally friendly plastic materials. It has an exemplary thickness of z. B. 20 to 200 .mu.m, in particular 30 to 80 microns.
  • the wearing style is similar to a conventional grocery bag, as it is sold in conventional self-service stores on a large scale.
  • the security pocket is opened in its upper area and forms a back 2 and a front 3 opposite.
  • a security closure system 4 is provided, which in the embodiment shown consists of a security closure band 5, which is provided on the inside with an adhesive layer 6.
  • the peel-off film 7 has non-stick properties and consists for. B. from a siliconized paper or the like.
  • the adhesive region of the release liner 8 is therefore also coated with the adhesive layer 6.
  • the adhesive layer 6 can be colored in any way, for. B. may have a blue hue.
  • the security fastener tape 5 may have a different color than, for example, the color of the security pocket 1 with the backs 2 and the front side 3.
  • a printing can also be provided.
  • the printing is then visible from the outside through the security fastener tape 5.
  • thermochromic security feature 10 is arranged, which narrow rectangular structure extends for example over the entire width of the security pocket 1.
  • thermochromic security feature 10 is applied by pressure through any printing process, in particular by flexographic printing or other means.
  • the area 11 extends over the entire width of the security pocket. 1
  • thermochromic security material 10 in the area 11 is now exactly opposite to the adhesion region 8 of the release liner 7 and that when the release liner 7 is peeled off, the adhesive layer 6 now comes into direct contact with the thermochromic security feature 10 and irreversibly covers it ,
  • thermochromic security feature 10 has an irreversible color change, either from the outside on the back 2 of the security pocket 1 or from the opposite side through the Safety closure band 5 forth is visible. It may be, for example, a showy red or pink color, so that the color change after attack with a warming agent is readily apparent.
  • thermochromic security feature 10 actually originates from the manufacturer of the security bag or the manufacturer of the security feature 10
  • the reviewer now has to apply a higher temperature in the area 11 of the thermochromic security feature 10, For example, 125 ° and then that the irreversible color change is reversible again and z. B. converted into a transparent color change. As soon as the temperature is removed, the irreversible color change with the striking red or other colored ink sets in again.
  • thermochromic security feature 10 This makes it possible for the first time to control the type and originality of the thermochromic security feature 10.
  • the security feature 10 now turns chemochrom as soon as it comes in contact with the chemical solvent. It suffices here that it is not a liquid contact, but a vaporous influence suffices here for the chemochromic color change.
  • the originality of this chemochromic color change can be checked by the fact that the security feature is likewise adjusted to a temperature of, for example, 10 ° C. B. 125 ° Celsius, whereby the chemochromic color change disappears and this is a feature that it is the manufacturer's intended and intended chemochromic security feature 10.
  • the originality of the chemochromic security feature 10 can be determined.
  • both the security feature 10 chemochromic and thermochromic reacts, whereby the originality can be checked in both cases of action.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Bag Frames (AREA)
  • Slide Fasteners (AREA)
EP08009174A 2007-05-19 2008-05-19 Sac de sécurité doté d'un système de fermeture de sécurité ayant un élément de sécurité thermochrome Not-in-force EP1995178B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007023493A DE102007023493A1 (de) 2007-05-19 2007-05-19 Sicherheitstasche mit einem Sicherheitsverschlusssystem mit einem thermochromen Sicherheitselement

Publications (2)

Publication Number Publication Date
EP1995178A1 true EP1995178A1 (fr) 2008-11-26
EP1995178B1 EP1995178B1 (fr) 2010-11-03

Family

ID=39651073

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08009174A Not-in-force EP1995178B1 (fr) 2007-05-19 2008-05-19 Sac de sécurité doté d'un système de fermeture de sécurité ayant un élément de sécurité thermochrome

Country Status (2)

Country Link
EP (1) EP1995178B1 (fr)
DE (2) DE102007023493A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017002941A1 (de) 2017-03-27 2018-09-27 Anton Debatin GmbH Werk für werbende Verpackung Sicherheitsbeutel aus Kunststoff
US12403679B2 (en) 2022-09-09 2025-09-02 Oliver Healthcare Packaging Company Laminate medical film with thermochromic ink layer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1215888A (en) * 1968-08-09 1970-12-16 Alastair Leslie Lancaster Improvements in sealing wrappers and containers
GB2138396A (en) * 1983-04-21 1984-10-24 Decoflex Ltd Bags with tamper indicators
EP0773889A2 (fr) * 1994-08-02 1997-05-21 Trigon Packaging Corporation Bande et fermeture apportant la preuve de l'ouverture frauduleuse
WO2000010421A1 (fr) 1996-03-01 2000-03-02 Stephen Alexander Mcduffie Dispositif a enceinte reglable pour entreposage a sec
WO2001004221A1 (fr) * 1999-07-09 2001-01-18 Sealed Air Corporation (Us) Composition d'encre thermochromique, et articles constitues de cette encre
DE20211802U1 (de) 2002-07-31 2003-12-11 Stempel-Herbst Gmbh Kennzeichnungsträger

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10217120A1 (de) * 2002-03-14 2003-09-25 Tesa Ag Etikett zur Verdeckung von Informationen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1215888A (en) * 1968-08-09 1970-12-16 Alastair Leslie Lancaster Improvements in sealing wrappers and containers
GB2138396A (en) * 1983-04-21 1984-10-24 Decoflex Ltd Bags with tamper indicators
EP0773889A2 (fr) * 1994-08-02 1997-05-21 Trigon Packaging Corporation Bande et fermeture apportant la preuve de l'ouverture frauduleuse
EP0773889B1 (fr) 1994-08-02 1999-11-10 Sealed Air Corporation Bande et fermeture apportant la preuve de l'ouverture frauduleuse
WO2000010421A1 (fr) 1996-03-01 2000-03-02 Stephen Alexander Mcduffie Dispositif a enceinte reglable pour entreposage a sec
WO2001004221A1 (fr) * 1999-07-09 2001-01-18 Sealed Air Corporation (Us) Composition d'encre thermochromique, et articles constitues de cette encre
DE20211802U1 (de) 2002-07-31 2003-12-11 Stempel-Herbst Gmbh Kennzeichnungsträger

Also Published As

Publication number Publication date
DE502008001686D1 (de) 2010-12-16
DE102007023493A1 (de) 2008-11-20
EP1995178B1 (fr) 2010-11-03

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