EP0987662B1 - Procédé pour la fabrication d'éléments de sécurité pour la protection électronique d'articles - Google Patents

Procédé pour la fabrication d'éléments de sécurité pour la protection électronique d'articles Download PDF

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Publication number
EP0987662B1
EP0987662B1 EP99117104A EP99117104A EP0987662B1 EP 0987662 B1 EP0987662 B1 EP 0987662B1 EP 99117104 A EP99117104 A EP 99117104A EP 99117104 A EP99117104 A EP 99117104A EP 0987662 B1 EP0987662 B1 EP 0987662B1
Authority
EP
European Patent Office
Prior art keywords
layer
fibers
soft magnetic
cellulose
elements
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.)
Expired - Lifetime
Application number
EP99117104A
Other languages
German (de)
English (en)
Other versions
EP0987662A3 (fr
EP0987662B2 (fr
EP0987662A2 (fr
Inventor
Manfred Dr. Rührig
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.)
Meto International GmbH
Original Assignee
Meto International 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7881591&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0987662(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Meto International GmbH filed Critical Meto International GmbH
Publication of EP0987662A2 publication Critical patent/EP0987662A2/fr
Publication of EP0987662A3 publication Critical patent/EP0987662A3/fr
Publication of EP0987662B1 publication Critical patent/EP0987662B1/fr
Application granted granted Critical
Publication of EP0987662B2 publication Critical patent/EP0987662B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
    • G08B13/2408—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using ferromagnetic tags
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/244—Tag manufacturing, e.g. continuous manufacturing processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/659—Including an additional nonwoven fabric

Definitions

  • the invention relates to a method for producing securing elements for electronic article surveillance, the safety elements from at least two layers are made.
  • the invention further relates to a securing element produced by the method according to the invention.
  • EP 0 340 034 B1 is already a security element for the electronic Article surveillance in warehouses and department stores has become known Fibers made of a material with high permeability and low coercive force contains. These fibers are either contained in a paper substrate or they are are glued to the substrate. The orientation of the fibers in or on the Substrate is completely arbitrary, making the probability relatively high that the fibers overlap with other fibers and with them magnetically couple. This concentrates the magnetic flux of the fibers and reinforced, thereby eliminating the securing elements described in the patent are described, regardless of their orientation with respect to the Query field of the electronic article surveillance system can be detected can.
  • the invention has for its object a method for producing inexpensive and reliable security elements for the to propose electronic article surveillance.
  • the object is achieved in that a first layer of a cellulose mass is applied to a second layer of a cellulose mass while still moist, with one of the two layers being added soft magnetic elements which emit a characteristic signal in the query field of an article security system, and that from the two Layers in the dried state, the desired shape of the securing elements is punched out or cut out.
  • the advantage of the method according to the invention can be seen primarily in the fact that the layer with the soft magnetic fibers can be very thin, since it is supported by the second thicker layer.
  • the layer with the soft magnetic fibers can therefore be produced from a very dilute paper fiber suspension, which - as described in more detail below - brings enormous advantages with regard to the subsequent alignment and the processable length of the soft magnetic fibers in the still moist cellulose mass of the second layer. Since both layers are also brought together when still moist, they adhere firmly to one another after drying without any further steps, e.g. B. a sticking together of the two layers would be required.
  • the soft magnetic elements which are Fibers with a very small diameter act through when wet external force essentially in the longitudinal direction of the material web be aligned.
  • the alignment takes place according to a particularly favorable one Embodiment of the method in that above or below the Layer of cellulose mass, which contains the soft magnetic fibers, a Device is provided which a magnetic field in the longitudinal direction or in Running direction of the material web generated. Since the cellulose mass to this At the time it is still wet, the fibers are underneath the influence of the magnetic field aligned in the direction of travel of the material web.
  • the fibers can be aligned in the longitudinal direction of the material web also be enforced by the fact that the layer of cellulose mass with inserted soft magnetic fibers is accelerated; through this the fibers are also oriented in the longitudinal direction of the layer.
  • the security element for the electronic manufactured by the process Article security has the following characteristics: Acting in the first position it is a cellulose mass consisting of cellulose fibers.
  • the second Layer also consists of a cellulose mass made up of a mixture composed of cellulose fibers and soft magnetic elements. This Soft magnetic elements are - as already mentioned several times - in one magnetic query field of an electronic article surveillance system for Emission of a characteristic signal.
  • the magnetic elements are made of fibers a soft magnetic material. With a view to the highest possible Detection rate has proven to be advantageous if the length of the Soft magnetic fibers are larger than 2 cm on average.
  • Fig. 1 shows a schematic representation of a device with which the inventive method is carried out.
  • a feed device 8 Via a feed device 8 the cellulose mass 6 is applied to a support surface 10.
  • the Contact surface 10 In the Contact surface 10 is e.g. a fine-meshed endless network that is guided over pulleys 14, 15. Through the mesh of the network 10 can excess water can be removed from the cellulose mass 6.
  • this contact surface 9 can it is in turn a fine-meshed endless network that over Deflection rollers 11, 12, 16 is guided.
  • the direction of travel of the web of material the layers 2, 3 is indicated in the drawing by an arrow.
  • the cellulose mass 6 of the first layer 2 consists only of cellulose fibers there is, the cellulose mass 5 of the second layer 3 are soft magnetic Fibers 4 added.
  • the mixing ratio is a maximum of 50:50.
  • the second layer 3 which contains the soft magnetic fibers 4
  • the Cellulose mass 5 of the second layer only has a dilute concentration Cellulose fibers.
  • the still moist layer 3 under the device 14 passed through, the soft magnetic fibers 4 have enough freedom of movement, to orientate itself in the direction of an acting magnetic field. This forced alignment of the magnetic fibers 4 allows given the concentration of soft magnetic fibers the detection probability for the securing elements 1, which are made of the material web 2, 3 produced, increase significantly.
  • an alignment of the soft magnetic fibers 4 also by mechanical action on the still moist cellulose mass 5, which contains the soft magnetic fibers 4, be forced.
  • a force component in the direction of travel the material web 3 simply by the material web 3 is accelerated in the direction of travel.
  • the Fuse element 1 consists of a first layer 2, which is a Cellulose mass 6 is made up of cellulose fibers without further Blends.
  • the second layer 3 consists of a mixture a cellulose mass 5, the soft magnetic fibers 4 are added.
  • the length of the soft magnetic fibers 4 is such that the fibers 4 in an electronic article surveillance system with high probability be excited to emit a characteristic signal so that subsequently an alarm is triggered.
  • the soft magnetic fibers 4 are according to a development of the invention Securing elements 1 essentially in one direction oriented. This has the advantage that even with a small number of Fibers 4 per fuse element 1 the characteristic signal of Securing element easily detected by an article surveillance system can be.
  • the advantages of the securing elements 1 are again shown mentioned, which have been prepared by the inventive method. Since two-ply paper is used for the production of the securing elements 1 is, it is possible to adjust the concentration of cellulose fibers 3, which the contains soft magnetic fibers 4 to keep very low. Hence, too the concentration of the soft magnetic fibers 4 turn out low, whereby the manufacturing costs for a fuse element 1 according to the invention accordingly can be kept low.
  • Another advantage concerns that Tear strength of the two-layer material web 2, 3.
  • the layer 3 with the essentially in the longitudinal direction aligned soft magnetic fibers 4 has a anisotropic tensile strength. In particular, the tensile strength is in the direction the orientation of the fibers 4 very low. Because the cellulose fibers in the first However, layer 2 is completely arbitrarily oriented, has material web 2, 3 as such the preferred isotropic tear strength. Furthermore, very much long fibers are used and the fibers remain during the Manufacturing process stretched approximately.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Burglar Alarm Systems (AREA)
  • Magnetic Record Carriers (AREA)
  • Paper (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Electronic Switches (AREA)
  • Credit Cards Or The Like (AREA)
  • Adornments (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

Claims (8)

  1. Procédé pour la fabrication d'éléments de sécurité pour la protection électronique d'articles, les éléments de sécurité étant réalisés à partir d'au moins deux couches,
    caractérisé en ce que
    une première couche (2) d'une masse de cellulose (6) dans un état encore humide est appliquée sur une deuxième couche (3) d'une masse de cellulose (5), des éléments magnétiques doux étant ajoutés à une des.deux couches (2 ; 3), lesquels éléments émettent un signal caractéristique dans le champ d'interrogation d'un système de protection électronique d'articles
    et en ce que la forme souhaitée des éléments de sécurité (1) est poinçonnée ou découpée dans les deux couches (2, 3) à l'état sec.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    les éléments magnétiques doux (4) à l'état humide sont orientés pour l'essentiel selon l'axe longitudinal de la bande de matière (2 ; 3 ; 2, 3) sous l' effet d'une force externe.
  3. Procédé selon la revendication 2,
    caractérisé en ce que
    les éléments magnétiques doux (4) à l'état humide sont orientés pour l'essentiel selon l'axe longitudinal de la bande de matière (2 ; 3 ; 2, 3) sous l'effet d'un champ magnétique agissant dans le sens longitudinal de la bande de matière (2 ; 3 ; 2, 3).
  4. Elément de sécurité pour la sécurité électronique d'articles, fabriqué selon le procédé d'après la revendication 1,
    caractérisé en ce que
    la première couche (2) est une masse de cellulose (6) se composant de fibres de cellulose
    et en ce que la deuxième couche (3) est une masse de cellulose (5), se composant de fibres de cellulose, dans laquelle sont contenus des éléments magnétiques doux qui sont excités dans un champ magnétique d'interrogation d'un système de protection électronique d'articles afin d'émettre un signal caractéristique.
  5. Elément de sécurité selon la revendication 4,
    caractérisé en ce que
    les éléments magnétiques (4) sont des fibres en un matériau magnétique doux.
  6. Elément de sécurité selon la revendication 5,
    caractérisé en ce que
    la longueur des fibres magnétiques douces (4) est supérieure en moyenne à 2 cm.
  7. Elément de sécurité selon la revendication 4,
    caractérisé en ce que
    la masse de cellulose (5) de la deuxième couche (3) contient au maximum la moitié de fibres magnétiques douces (4) que de fibres de cellulose
  8. Elément de sécurité selon la revendication 4,
    caractérisé en ce que
    la masse de cellulose (5) pour fabriquer la deuxième couche (3) présente une concentration de fibres de cellulose plus faible que la masse de cellulose (6) de la première couche.
EP99117104A 1998-09-19 1999-08-31 Procédé pour la fabrication d'éléments de sécurité pour la protection électronique d'articles Expired - Lifetime EP0987662B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843062 1998-09-19
DE19843062A DE19843062A1 (de) 1998-09-19 1998-09-19 Verfahren zur Herstellung von Sicherungselementen für die elektronische Artikelsicherung

Publications (4)

Publication Number Publication Date
EP0987662A2 EP0987662A2 (fr) 2000-03-22
EP0987662A3 EP0987662A3 (fr) 2001-03-21
EP0987662B1 true EP0987662B1 (fr) 2003-10-15
EP0987662B2 EP0987662B2 (fr) 2007-05-09

Family

ID=7881591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99117104A Expired - Lifetime EP0987662B2 (fr) 1998-09-19 1999-08-31 Procédé pour la fabrication d'éléments de sécurité pour la protection électronique d'articles

Country Status (9)

Country Link
US (1) US6585857B2 (fr)
EP (1) EP0987662B2 (fr)
AT (1) ATE252262T1 (fr)
CA (1) CA2282808C (fr)
DE (2) DE19843062A1 (fr)
DK (1) DK0987662T3 (fr)
ES (1) ES2209301T5 (fr)
HU (1) HUP9903175A3 (fr)
PL (1) PL188022B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10022110B4 (de) * 2000-05-08 2007-10-25 Dieter Ronnenberg Beeinflussung eines Bahneigenschafts-Profiles mittels mindestens eines Schallfeldes
CH696744A5 (de) * 2003-07-07 2007-11-15 Landqart Sicherheitspapier und Verfahren zu dessen Herstellung.
FR2861101B1 (fr) * 2003-10-15 2007-06-15 Arjo Wiggins Papier de securite multijet
US8628839B2 (en) * 2005-12-26 2014-01-14 Fuji Xerox Co., Ltd. Recording medium
JP4847191B2 (ja) * 2006-04-14 2011-12-28 富士ゼロックス株式会社 記録用紙
JP5073324B2 (ja) * 2007-03-12 2012-11-14 富士ゼロックス株式会社 記録用紙
US8753482B2 (en) * 2008-04-30 2014-06-17 Honeywell International Inc. Method and apparatus for treatment of paper stock
US20110014537A1 (en) * 2009-07-16 2011-01-20 Ford Motor Company Fuel cell

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1023835B (it) * 1973-05-11 1978-05-30 Dasy Int Sa Materiale per documenti
FR2425937A1 (fr) † 1978-05-17 1979-12-14 Arjomari Prioux Structure fibreuse contenant des fibres metalliques, son procede de preparation, et son application notamment dans l'industrie du papier
DE2905441C3 (de) † 1979-02-13 1981-05-14 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Verfahren zur Herstellung von Wertpapier mit gedruckten Echtheitskennzeichen in einer Papierschicht
AT392168B (de) * 1986-04-18 1991-02-11 Skidata Computergesellschaft M Verfahren zur herstellung eines optisch und magnetisch kennzeichenbaren aufzeichnungstraegers
US5191315A (en) * 1990-12-31 1993-03-02 Pitney Bowes Inc. Deactivatable electronic article surveillance markers using short semi-hard magnetic wires
DE4101301A1 (de) † 1991-01-17 1992-07-23 Gao Ges Automation Org Sicherheitsdokument und verfahren zu seiner herstellung
US5143583A (en) * 1991-04-02 1992-09-01 Marchessault Robert H Preparation and synthesis of magnetic fibers
DE4327225A1 (de) † 1993-08-13 1995-02-16 Basf Ag Magnetisches Tintenkonzentrat
US5601931A (en) * 1993-12-02 1997-02-11 Nhk Spring Company, Ltd. Object to be checked for authenticity and a method for manufacturing the same
FR2726586B1 (fr) † 1994-11-03 1996-12-06 Arjo Wiggins Sa Papier comprenant des concentrations variables, controlees d'elements de securite et son procede de fabrication
DE19650611A1 (de) † 1996-12-06 1998-06-10 Meto International Gmbh Verfahren und Vorrichtung zur Herstellung von Sicherungselementen für die elektronische Artikelsicherung sowie ein entsprechendes Bandmaterial

Also Published As

Publication number Publication date
EP0987662A3 (fr) 2001-03-21
HUP9903175A3 (en) 2001-03-28
HUP9903175A2 (hu) 2000-06-28
US20020127940A1 (en) 2002-09-12
ATE252262T1 (de) 2003-11-15
CA2282808A1 (fr) 2000-03-19
US6585857B2 (en) 2003-07-01
ES2209301T3 (es) 2004-06-16
CA2282808C (fr) 2004-08-17
HU9903175D0 (en) 1999-11-29
EP0987662B2 (fr) 2007-05-09
DE19843062A1 (de) 2000-03-23
PL335474A1 (en) 2000-03-27
PL188022B1 (pl) 2004-11-30
EP0987662A2 (fr) 2000-03-22
DE59907357D1 (de) 2003-11-20
ES2209301T5 (es) 2007-11-16
DK0987662T3 (da) 2004-01-19

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