EP0966347A1 - Method and device for producing a security element and a corresponding security element - Google Patents

Method and device for producing a security element and a corresponding security element

Info

Publication number
EP0966347A1
EP0966347A1 EP98912357A EP98912357A EP0966347A1 EP 0966347 A1 EP0966347 A1 EP 0966347A1 EP 98912357 A EP98912357 A EP 98912357A EP 98912357 A EP98912357 A EP 98912357A EP 0966347 A1 EP0966347 A1 EP 0966347A1
Authority
EP
European Patent Office
Prior art keywords
electronic article
strip
article surveillance
casing
end regions
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
EP98912357A
Other languages
German (de)
French (fr)
Other versions
EP0966347B1 (en
Inventor
Detlef Duschek
Gordon Klassen
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
Application filed by Meto International GmbH filed Critical Meto International GmbH
Publication of EP0966347A1 publication Critical patent/EP0966347A1/en
Application granted granted Critical
Publication of EP0966347B1 publication Critical patent/EP0966347B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/2445—Tag integrated into item to be protected, e.g. source tagging
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1028—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina by bending, drawing or stretch forming sheet to assume shape of configured lamina while in contact therewith
    • Y10T156/103—Encasing or enveloping the configured lamina
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23—Sheet including cover or casing
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23—Sheet including cover or casing
    • Y10T428/239—Complete cover or casing

Definitions

  • the invention relates to a method and a device for producing a security element for electronic article security and a corresponding security element.
  • the security element is a so-called strip element - that is, a soft magnetic metal strip or a metal strip with a high Barkhausen effect - which is stimulated to emit a characteristic signal when an external magnetic alternating field is applied in a monitoring zone.
  • the strip element carries a casing, the melting temperature of which is below the melting temperature of the metal strip.
  • the securing element can also be a so-called thin-film securing element, a resonance frequency securing element or an acustomagnetic securing element.
  • Strip elements with a plastic coating have already become known and are used, among other things. used for electronic article surveillance of seeds packed in seed bags. With this so-called source protection, the strip elements are filled with the seeds into the seed bags.
  • soft magnetic tape material or tape material with a high Barkhausen effect is coated on both sides with a plastic film and then divided into strip elements of the desired length.
  • a disadvantage of the method which has become known or of the securing elements produced by means of the method is that the metal is exposed in the end regions and comes into contact with the goods to be secured. For reasons of consumer protection, the use of the known security elements is excluded in many cases.
  • the invention is based on the object of proposing a method and a device for producing a completely encapsulated securing element and a corresponding securing element.
  • the object is achieved with respect to the method in that a strip element of a predetermined length carrying the casing or another element for electronic article surveillance is provided; the casing is then heated at least in the end regions and stretched in the longitudinal direction of the securing element until it extends beyond the end regions of the securing element.
  • a soft magnetic tape material or a tape material with a high Barkhausen effect or a tape material which carries other securing elements is provided and is surrounded in an extrusion process with a sheathing made of plastic.
  • the object is achieved in that the device has two clamping elements which, in a first position (I), clamp the end regions of the coated strip element (securing element) in that a translation mechanism is provided which provides the Clamping elements can be moved in the longitudinal direction of the clamped-in securing element, that a heating device is provided which heats up the strip element or the other element for electronic article security at least in the end regions, and that the clamping elements after the end regions of the securing element have been heated into a further position (II) are moved, which is at least partially outside the end regions of the strip element or the other element for electronic article surveillance, as a result of which the heated and softened end regions of the sheath over the ends of the strip el ements or other element for electronic article surveillance.
  • the heating device is integrated into the clamping elements.
  • the clamping elements are designed to be electrically heatable.
  • An advantageous embodiment of the device according to the invention proposes in the case of strip elements that a clamping element is two annularly arranged clamping jaws which are resiliently mounted to one another. If another element is encapsulated for electronic article surveillance, the use of two clamping elements arranged parallel to each other is recommended.
  • control of the temperature of the heating device and / or the translation mechanism is carried out by a control unit.
  • the object is achieved in that the melting temperature of the casing is below the melting temperature of the strip element, and that the end regions of the casing are drawn over the ends of the strip element or other element for electronic article surveillance after appropriate heating, so that Strip element or the other element for electronic article surveillance is completely sealed by the material of the casing.
  • the security element according to the invention can be used without any problems for any application.
  • Fig. 3 a flow chart for performing the method according to the invention.
  • the securing element 8 consists of a strip element 5 of length L, which is completely sealed by the casing 6.
  • the sheathing 6 was at least in the end regions 7 of the strip element 5 heated, and the softened material was drawn over the end regions 7 of the strip element 5.
  • FIG. 2 shows a perspective view of an embodiment of the device 1 according to the invention.
  • the device 1 essentially consists of two clamping elements 2, which can be displaced relative to one another in the x direction via a translation mechanism 10.
  • the movement itself is motor-controlled.
  • the size of the translation movement is determined by means of an angle encoder, not shown separately.
  • the regulating / control unit 9 coordinates the movement sequence of the device 1.
  • Each of the two clamping elements 2 consists of two clamping jaws 3, which in the closed state are ring-shaped and dimensioned such that they can clamp a strip element 5.
  • the two jaws are connected to one another via springs 4.
  • the clamping jaws 3 of the clamping elements 2 are moved together and apart in the z direction likewise by means of the regulating / control unit 9.
  • the clamping elements 2 can be heated electrically.
  • the heating device 11 is switched by the control unit 9 in such a way that the sheathing 6 of the strip element 5 softens in the end regions 7. Subsequently, the softened sheath 6 is pulled over the end regions 7 of the strip element 5 as a result of the translational movement of the two clamping elements 2 in the x direction or in the -x direction.
  • the control unit 9 is given the temperature To, to which the sheath 6 in the end regions 7 of the strip element 5 must be heated so that it is softened.
  • the distance by which the translation mechanism 10 moves the clamping elements 3 is predetermined in terms of hardware by corresponding stop mechanisms.
  • the program is started under point 12.
  • the strip element 5 with the sheathing 6 is positioned between the clamping jaws 3 of the clamping elements 2, and the clamping jaws 3 of the two clamping elements 2 are moved together.
  • the clamping jaws 3 are then heated to the temperature To in accordance with the program points 14, 15. As soon as the temperature To is reached and, moreover, it is ensured that the casing 6 in the end regions 7 of the strip element 5 also the has reached the required temperature, the clamping elements 2 under point

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Fuses (AREA)
  • Die Bonding (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

A method of producing a security element for electronically securing an object, a device for producing the security element and the security element itself form aspects of the present invention. The security element includes a strip element embedded in sheathing. The sheathing has a melting temperature below that of the strip element. The method has associated steps and the device has associated elements for producing the security element from the strip element and sheathing. In each aspect, the ends of the strip element and sheathing are heated and the sheathing ends pulled to seal the strip element in the sheathing.

Description

Verfahren und Vorrichtung zur Herstellung eines Sicherungselements sowie ein entsprechendes SicherungselementMethod and device for producing a securing element and a corresponding securing element
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Herstellung eines Sicherungselements für die elektronische Artikelsicherung sowie ein entsprechendes Sicherungselement. Bei dem Sicherungselement handelt es sich um ein sog. Streifenelement - also um einen weichmagnetischen Metallstreifen oder einen Metallstreifen mit hohem Barkhauseneffekt- der bei Anlegen eines äußeren magnetischen Wechselfeldes in einer Überwachungszone zur Aussendung eines charakteristischen Signals angeregt wird. Das Streifenelement trägt eine Ummantelung, deren Schmelztemperatur unterhalb der Schmelztemperatur des Metallstreifens liegt. Ebenso kann es sich bei dem Sicherungselement jedoch auch um ein sog. Thin-Film-Sicherungselement, ein Resonanzfrequenz-Sicherungselement oder um ein akustomagnetisches Sicherungselement handeln.The invention relates to a method and a device for producing a security element for electronic article security and a corresponding security element. The security element is a so-called strip element - that is, a soft magnetic metal strip or a metal strip with a high Barkhausen effect - which is stimulated to emit a characteristic signal when an external magnetic alternating field is applied in a monitoring zone. The strip element carries a casing, the melting temperature of which is below the melting temperature of the metal strip. However, the securing element can also be a so-called thin-film securing element, a resonance frequency securing element or an acustomagnetic securing element.
Streifenelemente mit einer Plastikummantelung sind bereits bekannt geworden und werden u.a. zur elektronischen Artikelsicherung von in Samentüten abgepacktem Samen verwendet. Bei dieser sog. Quellensicherung werden die Streifenelemente mit dem Samen in die Samentüten eingefüllt. Zwecks Herstellung der Sicherungselemente wird weichmagnetisches Bandmaterial oder Bandmaterial mit hohem Barkhauseneffekt beidseitig mit einer Kunststoffolie beschichtet und anschließend in Streifenelemente der gewünschten Länge unterteilt. Nachteilig bei dem bekannt gewordenen Verfahren bzw. den mittels des Verfahrens hergestellten Sicherungselementen ist, daß in den Endbereichen das Metall offen liegt und mit den zu sichernden Waren in Kontakt kommt. Aus Gründen des Verbraucherschutzes ist die Verwendung der bekannt gewordenen Sicherungselemente in vielen Fällen ausgeschlossen.Strip elements with a plastic coating have already become known and are used, among other things. used for electronic article surveillance of seeds packed in seed bags. With this so-called source protection, the strip elements are filled with the seeds into the seed bags. To manufacture the securing elements, soft magnetic tape material or tape material with a high Barkhausen effect is coated on both sides with a plastic film and then divided into strip elements of the desired length. A disadvantage of the method which has become known or of the securing elements produced by means of the method is that the metal is exposed in the end regions and comes into contact with the goods to be secured. For reasons of consumer protection, the use of the known security elements is excluded in many cases.
Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung zur Herstellung eines vollständig abgekapselten Sicherungselements sowie ein entsprechendes Sicherungselement vorzuschlagen. Die Aufgabe wird hinsichtlich des Verfahrens dadurch gelöst, daß ein die Ummantelung tragendes Streifenelement einer vorgegebenen Länge oder ein sonstiges Element für die elektronische Artikelsicherung bereitgestellt wird; anschließend wird die Ummantelung zumindest in den Endbereichen erwärmt und in Längsrichtung des Sicherungselements gedehnt, bis sie sich über die Endbereiche des Sicherungselements hinaus erstreckt.The invention is based on the object of proposing a method and a device for producing a completely encapsulated securing element and a corresponding securing element. The object is achieved with respect to the method in that a strip element of a predetermined length carrying the casing or another element for electronic article surveillance is provided; the casing is then heated at least in the end regions and stretched in the longitudinal direction of the securing element until it extends beyond the end regions of the securing element.
Gemäß einer vorteilhaften, kostengünstigen Weiterbildung des erfindungsgemäßen Verfahren ist vorgesehen, daß ein weichmagnetisches Bandmaterial oder ein Bandmaterial mit hohem Barkhauseneffekt oder ein Bandmaterial, das sonstige Sicherungselemente trägt, bereitgestellt wird und in einem Extrusionsprozeß mit einer Ummantelung aus Kunststoff umgeben wird. Anschließend wird das Bandmaterial mit der Ummantelung in Abschnitte (=Streifenelemente) einer gewissen Länge unterteilt wird.According to an advantageous, inexpensive development of the method according to the invention, it is provided that a soft magnetic tape material or a tape material with a high Barkhausen effect or a tape material which carries other securing elements is provided and is surrounded in an extrusion process with a sheathing made of plastic. The strip material with the sheathing is then divided into sections (= strip elements) of a certain length.
Bezüglich der Vorrichtung zur Herstellung eines Sicherungselements für die elektronische Artikelsicherung wird die Aufgabe dadurch gelöst, daß die Vorrichtung zwei Klemmelemente aufweist, die in einer ersten Position (I) die Endbereiche des ummantelten Streifenelements (Sicherungselement) einklemmen, daß ein Translationsmechanismus vorgesehen ist, der die Klemmelemente in Längsrichtung des eingeklemmten Sicherungselements bewegbar macht, daß eine Heizvorrichtung vorgesehen ist, die das Streifenelement oder das sonstige Element für die elektronische Artikelsicherung zumindest in den Endbereichen aufheizt, und daß die Klemmelemente nach dem Aufheizen der Endbereiche des Sicherungselements in eine weitere Position (II) bewegt werden, die zumindest teilweise außerhalb der Endbereiche des Streifenelements oder des sonstigen Elements für die elektronische Artikelsicherung liegt, wodurch die erwärmten und weich gewordenen Endbereiche der Ummantelung über die Enden des Streifen-elements oder des sonstigen Elements für die elektronische Artikelsicherung gezogen werden.With regard to the device for producing a securing element for electronic article surveillance, the object is achieved in that the device has two clamping elements which, in a first position (I), clamp the end regions of the coated strip element (securing element) in that a translation mechanism is provided which provides the Clamping elements can be moved in the longitudinal direction of the clamped-in securing element, that a heating device is provided which heats up the strip element or the other element for electronic article security at least in the end regions, and that the clamping elements after the end regions of the securing element have been heated into a further position (II) are moved, which is at least partially outside the end regions of the strip element or the other element for electronic article surveillance, as a result of which the heated and softened end regions of the sheath over the ends of the strip el ements or other element for electronic article surveillance.
Gemäß einer vorteilhaften Weiterbildung der erfindungsgemäßen Vorrichtung ist vorgesehen, daß die Heizvorrichtung in die Klemmelemente integriert ist. In diesem Zusammenhang hat es sich als besonders günstig erwiesen, wenn die Klemmelemente elektrisch beheizbar ausgebildet sind. Eine vorteilhafte Ausgestaltung der erfindungsgemäßen Vorrichtung schlägt im Falle von Streifenelementen vor, daß es sich bei einem Klemmelement um zwei ringförmig angeordnete Klemmbacken handelt, die federnd zueinander gelagert sind. Wird ein sonstiges Element für die elektronische Artikelsicherung eingekapselt, empfiehlt sich die Verwendung zweier parallel zueinander angeordneter Klemmelemente.According to an advantageous development of the device according to the invention it is provided that the heating device is integrated into the clamping elements. In this context, it has proven to be particularly advantageous if the clamping elements are designed to be electrically heatable. An advantageous embodiment of the device according to the invention proposes in the case of strip elements that a clamping element is two annularly arranged clamping jaws which are resiliently mounted to one another. If another element is encapsulated for electronic article surveillance, the use of two clamping elements arranged parallel to each other is recommended.
Gemäß einer kostengünstigen Ausgestaltung der erfindungsgemäßen Vorrichtung ist vorgesehen, daß die Steuerung der Temperatur der Heizvorrichtung und/oder des Translationsmechanismus' von einer Steuereinheit vorgenommen wird.According to an inexpensive embodiment of the device according to the invention, the control of the temperature of the heating device and / or the translation mechanism is carried out by a control unit.
Bezüglich des Sicherungselements selbst wird die Aufgabe dadurch gelöst, daß die Schmelztemperatur der Ummantelung unterhalb der Schmelztemperatur des Streifenelements liegt, und daß die Endbereiche der Ummantelung nach entsprechender Aufheizung über die Enden des Streifenelements oder des sonstigen Elements für die elektronische Artikelsicherung gezogen sind, so daß das Streifenelement oder das sonstige Element für die elektronische Artikelsicherung vollständig durch das Material der Ummantelung versiegelt ist. Infolge der vollständigen Abkapselung des Streifenelements oder des sonstigen Elements für die elektronische Artikelsicherung von der zu sichernden Ware ist das erfindungsemäße Sicherungselement für jede beliebig Anwendung problemlos einsetzbar.With regard to the securing element itself, the object is achieved in that the melting temperature of the casing is below the melting temperature of the strip element, and that the end regions of the casing are drawn over the ends of the strip element or other element for electronic article surveillance after appropriate heating, so that Strip element or the other element for electronic article surveillance is completely sealed by the material of the casing. As a result of the complete encapsulation of the strip element or the other element for the electronic article security from the goods to be secured, the security element according to the invention can be used without any problems for any application.
Die Erfindung wird anhand der nachfolgenden Figuren näher erläutert. Es zeigt:The invention is explained in more detail with reference to the following figures. It shows:
Fig. 1 : einen Längsschnitt durch das erfindungsgemäße Sicherungselement,1: a longitudinal section through the securing element according to the invention,
Fig. 2: eine perspektivische Ansicht einer Ausgestaltung der erfindungsgemäßen Vorrichtung und2: a perspective view of an embodiment of the device according to the invention and
Fig. 3: ein Flußdiagramm zur Durchführung des erfindungsgemäßen Verfahrens.Fig. 3: a flow chart for performing the method according to the invention.
Fig. 1 zeigt einen Längsschnitt durch das erfindungsgemäße Sicherungselement 8. Das Sicherungselement 8 besteht aus einem Streifenelement 5 der Länge L, das durch die Ummantelung 6 vollständig versiegelt ist. Hierzu wurde die Ummantelung 6 zumindest in den Endbereichen 7 des Streifenelements 5 erwärmt, und das weichgewordene Material wurde über die Endbereiche 7 des Streifenelements 5 gezogen.1 shows a longitudinal section through the securing element 8 according to the invention. The securing element 8 consists of a strip element 5 of length L, which is completely sealed by the casing 6. For this purpose, the sheathing 6 was at least in the end regions 7 of the strip element 5 heated, and the softened material was drawn over the end regions 7 of the strip element 5.
In Fig. 2 ist eine perspektivische Ansicht einer Ausgestaltung der erfindungsgemäßen Vorrichtung 1 gezeigt. Die Vorrichtung 1 besteht im wesentlichen aus zwei Klemmelementen 2, die über einen Translationsmechanismus 10 in x-Richtung relativ zueinander verschiebbar sind. Die Bewegung selbst erfolgt motorgesteuert. Die Größe der Translationsbewegung wird mittels eines nicht gesondert dargestellten Winkelgebers ermittelt. Die Regel-/Steuereinheit 9 koordiniert den Bewegungsablauf der Vorrichtung 1.FIG. 2 shows a perspective view of an embodiment of the device 1 according to the invention. The device 1 essentially consists of two clamping elements 2, which can be displaced relative to one another in the x direction via a translation mechanism 10. The movement itself is motor-controlled. The size of the translation movement is determined by means of an angle encoder, not shown separately. The regulating / control unit 9 coordinates the movement sequence of the device 1.
Jedes der beiden Klemmelemente 2 besteht aus zwei Klemmbacken 3, die im geschlossenen Zustand ringförmig und so dimensioniert sind, daß sie ein Streifenelement 5 einklemmen können. Die beiden Klemmbacken sind über Federn 4 miteinander verbunden. Das Zusammen- und Auseinanderfahren der Klemmbacken 3 der Klemmelemente 2 in z-Richtung erfolgt gleichfalls mittels der Regel-/Steuereinheit 9.Each of the two clamping elements 2 consists of two clamping jaws 3, which in the closed state are ring-shaped and dimensioned such that they can clamp a strip element 5. The two jaws are connected to one another via springs 4. The clamping jaws 3 of the clamping elements 2 are moved together and apart in the z direction likewise by means of the regulating / control unit 9.
Im gezeigten Fall sind die Klemmelemente 2 elektrisch beheizbar. Die Heizvorrichtung 11 wird von der Steuer-/Regeleinheit 9 so geschaltet, daß die Ummantelung 6 des Streifenelements 5 in den Endbereichen 7 aufweicht. Anschließend wird die weich gewordenen Ummantelung 6 infolge der Translationsbewegung der beiden Klemmelemente 2 in x-Richtung bzw. in -x- Richtung über die Endbereiche 7 des Streifenelements 5 gezogen.In the case shown, the clamping elements 2 can be heated electrically. The heating device 11 is switched by the control unit 9 in such a way that the sheathing 6 of the strip element 5 softens in the end regions 7. Subsequently, the softened sheath 6 is pulled over the end regions 7 of the strip element 5 as a result of the translational movement of the two clamping elements 2 in the x direction or in the -x direction.
Fig. 3 zeigt ein Flußdiagramm zur Ansteuerung der erfindungsgemäßen Vorrichtung 1. Der Steuer-/Regeleinheit 9 wird die Temperatur To vorgegeben, auf die die Ummantelung 6 in den Endbereichen 7 des Streifenelements 5 aufgeheizt werden muß, damit sie aufgeweicht wird. Die Strecke, um die der Translationsmechanismus 10 die Klemmelemente 3 bewegt, ist durch entsprechende Stoppmechanismen hardware-mäßig vorgegeben. Das Programm wird unter Punkt 12 gestartet. Das Streifenelement 5 mit der Ummantelung 6 ist zwischen den Klemmbacken 3 der Klemmelemente 2 positioniert, und die Klemmbacken 3 der beiden Klemmelemente 2 werden zusammengefahren. Anschließend werden die Klemmbacken 3 entsprechend den Programmpunkten 14, 15 auf die Temperatur To aufgeheizt. Sobald die Temperatur To erreicht und darüber hinaus sichergestellt ist, daß die Ummantelung 6 in den Endbereichen 7 des Streifenelements 5 gleichfalls die erforderliche Temperatur erreicht hat, werden die Klemmelemente 2 unter Punkt3 shows a flow chart for controlling the device 1 according to the invention. The control unit 9 is given the temperature To, to which the sheath 6 in the end regions 7 of the strip element 5 must be heated so that it is softened. The distance by which the translation mechanism 10 moves the clamping elements 3 is predetermined in terms of hardware by corresponding stop mechanisms. The program is started under point 12. The strip element 5 with the sheathing 6 is positioned between the clamping jaws 3 of the clamping elements 2, and the clamping jaws 3 of the two clamping elements 2 are moved together. The clamping jaws 3 are then heated to the temperature To in accordance with the program points 14, 15. As soon as the temperature To is reached and, moreover, it is ensured that the casing 6 in the end regions 7 of the strip element 5 also the has reached the required temperature, the clamping elements 2 under point
16 in x-Richtung bzw. in -x-Richtung um die vorgegebene Strecke auseinandergefahren. Das aufgeweichte Material der Ummantelung 6 wird hierdurch über die Endbereiche 7 des Streifenelements 5 geschoben, und das erfindungsgemäße Sicherungselement 8 ist fertig. Das Programm wird bei Punkt16 moved apart in the x direction or in the x direction by the predetermined distance. The softened material of the casing 6 is thereby pushed over the end regions 7 of the strip element 5, and the securing element 8 according to the invention is finished. The program is at point
17 beendet. 17 ended.
BezugszeichenlisteReference list
erfindungsgemäße Vorrichtungdevice according to the invention
KlemmelementClamping element
KlemmbackenJaws
Federfeather
StreifenelementStrip element
UmmantelungSheathing
Endbereich erfindungsgemäßes SicherungselementEnd area securing element according to the invention
RegeieinheitControl unit
TranslationsmechanismusTranslation mechanism
HeizvorrichtungHeater
Motor engine

Claims

Patentansprüche claims
1. Verfahren zur Herstellung eines Sicherungselements (8) für die elektronische Artikelsicherung, bestehend aus einem Streifenelement (5) oder einem sonstigen Element für die elektronische Artikelsicherung mit einer Ummantelung (6), deren Schmelztemperatur unterhalb der Schmelztemperatur des Streifenelements (5) liegt, wobei sich das Verfahren aus den folgenden Schritten zusammensetzt:1. A method for producing a security element (8) for electronic article surveillance, consisting of a strip element (5) or another element for electronic article surveillance with a casing (6), the melting temperature of which is below the melting temperature of the strip element (5), wherein the process consists of the following steps:
- ein die Ummantelung (6) tragendes Streifenelement (5) einer vorgegebenen- A stripe element (5) carrying a sheath (6) of a predetermined one
Länge (L) oder ein sonstiges Element für die elektronische Artikelsicherung wird bereitgestellt; die Ummantelung (6) wird zumindest in den Endbereichen (7) erwärmt; die Ummantelung (6) wird in Längsrichtung (x) des Sicherungselements (8) gedehnt, bis sie sich über die Endbereiche (7) des Sicherungselements (8) hinaus erstreckt.Length (L) or other element for electronic article surveillance is provided; the casing (6) is heated at least in the end regions (7); the casing (6) is stretched in the longitudinal direction (x) of the securing element (8) until it extends beyond the end regions (7) of the securing element (8).
2. Verfahren nach Anspruch 1 , wobei ein weichmagnetisches Bandmaterial oder ein Band mit sonstigen Elementen zur elektronischen Artikelsicherung bereitgestellt wird und in einem Extrusionsprozeß mit einer Ummantelung (6) aus Kunststoff umgeben wird.2. The method according to claim 1, wherein a soft magnetic tape material or a tape with other elements for electronic article security is provided and is surrounded in an extrusion process with a sheath (6) made of plastic.
3. Verfahren nach Anspruch 2, wobei das Bandmaterial mit der Ummantelung (6) in Abschnitte (=Stre'rfenelemente (5)) einer gewissen Länge (L) unterteilt wird.3. The method according to claim 2, wherein the strip material with the casing (6) is divided into sections (= Stre ' rfenelemente (5)) of a certain length (L).
4. Vorrichtung zur Herstellung eines Sicherungselements (5) für die elektronische Artikelsicherung, welches aus einem Streifenelement (5) oder einem sonstigen Element für die elektronische Artikelsicherung besteht, das mit einer Ummantelung (6) umgeben ist, deren Schmelztemperatur unterhalb der Schmelztemperatur des Streifenelements (5) liegt, wobei die Vorrichtung zwei Klemmelemente (2) aufweist, die in einer ersten4. Device for producing a securing element (5) for electronic article surveillance, which consists of a strip element (5) or another element for electronic article surveillance, which is surrounded by a casing (6), the melting temperature of which is below the melting temperature of the strip element ( 5), the device having two clamping elements (2) which are in a first
Position (I) die Endbereiche (7) des ummantelten Streifenelements (5) oder des sonstigen Elements für die elektronische Artikelsicherung Sicherungs-element(δ)) einklemmen, wobei ein Translationsmechanismus vorgesehen ist, der die Klemmelemente (2) in Längsrichtung (x) des eingeklemmten Sicherungselements (8) bewegbar macht, wobei eine Heizvorrichtung vorgesehen ist, die zumindest die Endbereiche des Streifenelements oder des sonstigen Elements für die elektronische Artikelsicherung aufheizt, und wobei die beiden beweglich angeordneten Klemmelemente (2) nach dem Aufheizen der Endbereiche (7) des Sicherungselements (8) in eine weitere Position (II) bewegt werden, die zumindest teilweise außerhalb der Endbereiche (7) des Streifenelements (5) oder des sonstigen Elements für die elektronische Artikelsicherung liegt, wodurch die erwärmten und weich- gewordenen Endbereiche (7) der Ummantelung (6) über die Enden des Streifenelements (5) oder des sonstigen Elements für die elektronische Artikelsicherung gezogen werden.Position (I) the end regions (7) of the coated strip element (5) or the other element for the electronic article surveillance securing element (δ)), whereby a translation mechanism is provided, which the clamping elements (2) in the longitudinal direction (x) clamped securing element (8) can be moved, A heating device is provided which heats up at least the end regions of the strip element or the other element for electronic article surveillance, and the two movably arranged clamping elements (2) after the end regions (7) of the securing element (8) have been heated into a further position ( II) are moved, which is at least partially outside the end regions (7) of the strip element (5) or the other element for electronic article surveillance, whereby the heated and softened end regions (7) of the casing (6) over the ends of the strip element (5) or the other element for electronic article surveillance.
5. Vorrichtung nach Anspruch 4, wobei die Heizvorrichtung in die Klemmelemente (2) integriert ist.5. The device according to claim 4, wherein the heating device is integrated in the clamping elements (2).
6. Vorrichtung nach Anspruch 5, wobei es sich bei einem Klemmelement (2) im Falle eines Streifenelements (5) um zwei ringförmig angeordnete Klemmbacken (3) handelt, die federnd zueinander gelagert sind.6. The device according to claim 5, wherein there is a clamping element (2) in the case of a strip element (5) to two annularly arranged clamping jaws (3) which are resiliently mounted to each other.
7. Vorrichtung nach Anspruch 6, wobei eine Regeleinheit (9) vorgesehen ist, die sowohl die Temperatursteuerung der beheizbaren Klemmelemente (2) als auch das Zusammen- und Auseinanderfahren der Klemmbacken (3) regelt.7. The device according to claim 6, wherein a control unit (9) is provided, which controls both the temperature control of the heatable clamping elements (2) and the moving together and apart of the jaws (3).
8. Sicherungselement für die elektronische Artikelsicherung, bestehend aus einem weichmagnetischen Streifenelement (5) oder einem sonstigen Element für die elektronische Artikelsicherung mit einer Ummantelung (6), wobei die Schmelztemperatur der Ummantelung (6) unterhalb der Schmelztemperatur des Streifenelements (5) oder des sonstigen Elements für die elektronische Artikelsicherung liegt, und wobei die Endbereiche (7) der Ummantelung (6) nach entsprechender Aufheizung über die Enden des Streifenelements (5) oder des sonstigen Elements für die elektronische Artikelsicherung gezogen sind, so daß das Streifenelement (5) oder das sonstige Element für die elektronische Artikelsicherung vollständig durch das Material der Ummantelung (6) versiegelt ist. 8. Security element for electronic article surveillance, consisting of a soft magnetic strip element (5) or another element for electronic article surveillance with a casing (6), the melting temperature of the casing (6) below the melting temperature of the strip element (5) or the other Element for electronic article surveillance, and wherein the end regions (7) of the casing (6) are drawn over the ends of the strip element (5) or the other element for the electronic article surveillance after appropriate heating, so that the strip element (5) or other element for electronic article surveillance is completely sealed by the material of the casing (6).
EP98912357A 1997-03-14 1998-02-20 Method and device for producing a security element and a corresponding security element Expired - Lifetime EP0966347B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19710600 1997-03-14
DE19710600A DE19710600A1 (en) 1997-03-14 1997-03-14 Method and device for producing a securing element and a corresponding securing element
PCT/EP1998/000994 WO1998041382A1 (en) 1997-03-14 1998-02-20 Method and device for producing a security element and a corresponding security element

Publications (2)

Publication Number Publication Date
EP0966347A1 true EP0966347A1 (en) 1999-12-29
EP0966347B1 EP0966347B1 (en) 2001-07-25

Family

ID=7823376

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98912357A Expired - Lifetime EP0966347B1 (en) 1997-03-14 1998-02-20 Method and device for producing a security element and a corresponding security element

Country Status (9)

Country Link
US (1) US6440522B1 (en)
EP (1) EP0966347B1 (en)
AT (1) ATE203451T1 (en)
AU (1) AU6723198A (en)
DE (2) DE19710600A1 (en)
DK (1) DK0966347T3 (en)
ES (1) ES2161524T3 (en)
NO (1) NO994376D0 (en)
WO (1) WO1998041382A1 (en)

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Also Published As

Publication number Publication date
US6440522B1 (en) 2002-08-27
AU6723198A (en) 1998-10-12
NO994376L (en) 1999-09-09
WO1998041382A1 (en) 1998-09-24
DK0966347T3 (en) 2001-10-29
ES2161524T3 (en) 2001-12-01
DE59801080D1 (en) 2001-08-30
ATE203451T1 (en) 2001-08-15
DE19710600A1 (en) 1998-09-17
EP0966347B1 (en) 2001-07-25
NO994376D0 (en) 1999-09-09

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