EP1316632B1 - Thread with coding and method of manufacturing a coded thread - Google Patents

Thread with coding and method of manufacturing a coded thread Download PDF

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Publication number
EP1316632B1
EP1316632B1 EP02023315A EP02023315A EP1316632B1 EP 1316632 B1 EP1316632 B1 EP 1316632B1 EP 02023315 A EP02023315 A EP 02023315A EP 02023315 A EP02023315 A EP 02023315A EP 1316632 B1 EP1316632 B1 EP 1316632B1
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EP
European Patent Office
Prior art keywords
thread
coding
accordance
coded
jacket
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EP02023315A
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German (de)
French (fr)
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EP1316632A1 (en
Inventor
Rolf Dipl.-Ing. Heckner
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Guetermann and Co AG
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Guetermann and Co AG
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Publication of EP1316632A1 publication Critical patent/EP1316632A1/en
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    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/46—Sewing-cottons or the like

Definitions

  • the invention relates to a thread with a coding according to the preamble of claim 1, a method for producing a coded thread according to the preamble of claim 8, as well as uses of a coded thread.
  • a yarn which contains at least one legible fiber identifiable by a suitable reading sensor which is hidden inside the yarn.
  • This fiber is used to ensure the authenticity of the yarn and product, e.g. of a garment in which the yarn was processed. So with the help of the fiber conclusions can be drawn on the manufacturer of the yarn or the garment.
  • the object of the invention is to provide a thread with a coding that allows the simplest possible identification, processing and testing of the thread, the coded thread should be as easy to produce.
  • the object is achieved in particular in that the surface of the thread is formed as the coding and the coding comprises length information.
  • the fact that the surface of the thread forms the coding a simple method for reading the coding is sufficient.
  • this makes it possible that after the production of the thread, the coding can be applied subsequently in a simple manner.
  • the length information causes the coding to serve not only as information about the thread or about the product in which the thread is processed, the associated manufacturer and the associated batch, but also for detecting changes in the length of the thread during or after its processing z. B. caused by an accident.
  • the thread consumption during the processing of the thread can be determined and controlled and thus the stitch formation with effects, e.g. on seam strength or elongation.
  • the coding may have a marking which extends at predetermined intervals, preferably at intervals of about 5-100 mm, along the Thread repeated.
  • the distances can be chosen so that they are characteristic both for the manufacturer of the thread, for the thread and its batch, as well as for the length of individual sections of the thread.
  • the coding may be configured such that each mark contains information about the manufacturer, the thread and its charge, for example in the form of a bar code, a magnetic code or a two-dimensional dot code, and the distances form a length information with which the thread consumption and the the thread acting forces can be determined.
  • the distances can be used so that portions of the thread that are less damaged and contain a mark, can be used to identify the thread and its batch.
  • it can be determined by determining the distances during processing, whether the thread consumption changes.
  • the forces acting on the thread forces can be determined by determining the distances, for example, before and after a stress with a corresponding change in length without destroying the thread.
  • the surface of the thread may have a sheath which is formed as the coding.
  • the surface of the thread is formed by the sheath.
  • the coding may be provided in or on the sheathing of the thread. This avoids that the thread itself is changed.
  • the sheath may be provided in the form of a film applied to the thread.
  • the sheath may further be at least partially removable, especially with a solvent.
  • the coding in particular with a solvent, can be removable.
  • the uncoded state of the thread is restored, or in the case of a thread with a sheathing on which the coding is applied, the sheathed thread remains after the coding has been removed.
  • the coding can be formed by deformation of the surface of the thread, in particular by plastic deformation.
  • the thread or - in a thread with sheath - its sheath plastically deformable and the coding be obtainable in that the thread z. B. is processed with heated dies in such a way that the outer surface receives a structure containing the desired information.
  • the coding may be formed by an optically readable encoding material on the surface of the thread.
  • the coding can z. B. consist of a printed dye that is visible only under UV irradiation. Thus, the recognizable under normal lighting appearance of the thread is not changed by the coding.
  • the object is also achieved by the features of the independent method claim, and in particular by the fact that the surface of the thread is formed as an encoding, wherein by means of the coding length information is encoded. As explained above, it can be achieved that a simple method for reading the coding is sufficient. In addition, by forming the surface of the thread as the coding allows that after manufacture the thread coding can be applied subsequently in a simple manner.
  • the coding of a length information allows a simple determination of the thread length or the thread supply during the processing of the thread.
  • the thread may be provided with a marking repeated at predetermined intervals, preferably at intervals of about 5-100 mm, along the thread to form the code.
  • the surface of the thread can be deformed, in particular plastically deformed. This can be z. Example be done by the surface of the thread, which consists of plastically deformable material, or a sheath of plastically deformable material by means of stamping is structured such that the desired information is included.
  • an adhesive on the surface of the thread coding material can be applied.
  • an optically readable encoding material can be used.
  • the surface of the thread can be provided with a coding forming the sheath.
  • the coding can be provided in or on the sheath of the thread.
  • a, in particular with a solvent, at least partially removable and preferably water-soluble sheath can be used. Therefore, the thread z. B. after its processing by Removing the sheath be restored to its original state or in its original appearance.
  • a coded thread can be used to identify the thread or a product comprising the thread. If the surface of the thread is formed in a plurality of areas as coding, in case of damage to the thread or an associated garment, the identification of the thread is facilitated because undamaged areas can be used for identification. So each thread has its own identity and the complex registration of batches for tracing in case of complaints is eliminated. The identity of the thread can also be used in the prosecution of product piracy.
  • the surface formed as coding is easily accessible from the outside, which means that the coding is simple, d. H. is readable with a simple reading method. Furthermore, the coding after the manufacture of the thread, i. be provided subsequently.
  • a coded thread can be used to determine and / or control the thread consumption in the thread processing and in particular in the production of seams.
  • An encoding with a length information allows accurate statements about the thread consumption based on a given seam length, but also z. B. in Nähstichtypen with more than one thread statements about the thread ratio of z. B. needle to looper thread. From this it can then be detected by means of appropriate readers during the sewing process, whether the stitch formation is optimal in terms of seam strength and seam elongation. So can be controlled by controlling the thread consumption of the thread supply in the seam and thus the seam behavior.
  • the invention may further comprise a coded thread for the determination of acting on the thread or on a product comprising the thread comprehensive and in particular to thread expansions leading forces are used.
  • the coding contains a length information, by determining the length before and after the sewing, excessive stretching of the thread during the sewing process can be determined. Even after a traffic accident, the length of a section of a z. B. processed in the safety belt coded thread with the original length and from an accidental elongation of the thread and thus the seat belt can be determined. As a result, the effects of force can be determined without physical destruction of the thread and length changes can be assigned to the forces and their possible causes. This can be advantageously used in criminalistics.
  • a thread 2 has a marking 4 on its surface at constant intervals B.
  • the marking 4 consists of a visible only in UV light dye, which is applied in the form of a characteristic of the manufacturer, the thread and its batch bar code 6 on the thread 2.
  • the distances B serve as length information for controlling the thread consumption during the sewing process and for realizing a controlled seam behavior. Since the bar code is greatly reduced selectively provided as so-called micro-coding and also only visible in UV light, the appearance of the thread is virtually unaffected.
  • the bar code 6 is printed with a corresponding plunger after the production of the uncoded thread 2 at the intervals B on the unclaimed and unstretched thread.
  • Conventional production lines for threads can be easily and inexpensively converted by installing a corresponding coding station.
  • the encoded thread is irradiated with UV light by a reading device, the strip code is detected and read by a sensor active in the wavelength range of the UV dye, and the distances B are determined along the thread.
  • the surface of the thread 8 consists of a sheath 10 which encloses the core 12 of the thread 8.
  • the sheath 10 is made of a material soluble in water or other solvent.
  • the sheath 10 is provided at intervals C and D with recesses 14, wherein the different sized distances C and D are characteristic of the manufacturer, the thread and its batch as a code.
  • the recesses 14 are provided only in the sheath 10, so that the core 12 of the thread 8 remains unchanged. This allows for after reading the code information contained the sheath 10 dissolved in water or the solvent and the uncoded core 12 of the thread 8 can be exposed.
  • the manufacture of the thread 8 begins with the production of the core 12, which is a conventional uncoded thread. This is then provided by immersion in a solution of the plasticizable material of the sheath and by evaporation of the solvent with the sheath 10. Furthermore, the sheath 10 may be e.g. be generated by static charging of the thread in the manner of flocking or by vacuum evaporation (anodizing). After the sheath 10 has dried, it is z. B. structured with heated dies by the depressions 14 are imprinted in the distances C and D.
  • a reading device When reading the coding of the second embodiment, a reading device is used, along the thread, the recesses 14 z. B. with a height difference sensor detecting, for example, has a laser registered, and thus determines the distances C and D.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Sewing Machines And Sewing (AREA)
  • Seeds, Soups, And Other Foods (AREA)
  • Decoration Of Textiles (AREA)

Abstract

The code marking (4) at a yarn (2) is formed by its surface, containing a barcode (6) and the like. The code markings are repeated at set intervals of 5-100 mm along the yarn. The code marking can be on a film wrapping around the yarn, which is water-soluble or removed by a solvent.

Description

Die Erfindung betrifft einen Faden mit einer Codierung gemäß dem Oberbegriff des Anspruchs 1, ein Verfahren zur Herstellung eines codierten Fadens gemäß dem Oberbegriff des Anspruchs 8, sowie Verwendungen eines codierten Fadens.The invention relates to a thread with a coding according to the preamble of claim 1, a method for producing a coded thread according to the preamble of claim 8, as well as uses of a coded thread.

Bei bekannten codierten Fäden kann, wenn z. B. ein Kleidungsstück, in dem der Faden verarbeitet ist, stark beansprucht bzw. beschädigt ist, nicht auf den Ursprungszustand des Fadens vor oder kurz nach dem Nähvorgang geschlossen werden. Daher kann der Faden, d.h. ein Garn oder ein Zwirn, meist nicht einer einzelnen Charge zugeordnet werden. Dadurch wird es schwierig, die Ursache einer Reklamation zu bestimmen. Ferner können bei der Verarbeitung eines bekannten codierten Fadens keine Aussagen über den Fadenverbrauch, d.h. über die Verarbeitungsqualität getroffen werden. Zudem muß zur Bestimmung von auf den Faden wirkenden Kräften eine physikalische Prüfung unter Zerstörung des Fadens durchgeführt werden, beispielsweise durch Prüfung auf Reißfestigkeit und Bruchdehnung.In known coded threads, if z. As a garment in which the thread is processed, is heavily stressed or damaged, not be closed on the original state of the thread before or shortly after the sewing process. Therefore, the thread, i. a yarn or a thread, usually not assigned to a single batch. This makes it difficult to determine the cause of a complaint. Furthermore, in the processing of a known coded thread, no statements about the thread consumption, i. about the quality of workmanship. In addition, to determine forces acting on the thread, physical testing must be performed to destroy the thread, for example, by testing for tear strength and elongation at break.

Aus der WO98/38365 ist ein Garn bekannt, das mindestens eine lesbare, durch einen geeigneten Lesesensor identifizierbare Faser enthält, die im Inneren des Garns versteckt ist. Diese Faser wird zur Sicherung der Authentizität des Garns und des Produktes, z.B. eines Kleidungsstücks, in dem das Garn verarbeitet wurde, verwendet. So können mit Hilfe der Faser Rückschlüsse auf den Hersteller des Garns bzw. des Kleidungsstücks gezogen werden.From WO98 / 38365 a yarn is known which contains at least one legible fiber identifiable by a suitable reading sensor which is hidden inside the yarn. This fiber is used to ensure the authenticity of the yarn and product, e.g. of a garment in which the yarn was processed. So with the help of the fiber conclusions can be drawn on the manufacturer of the yarn or the garment.

US 4,527,383 betrifft Fäden gemäß dem Oberbegriff der Ansprüche 1 und 8, die nur Identifizierung von Kleidungstücken dienen.US 4,527,383 relates to threads according to the preamble of claims 1 and 8, which serve only to identify garments.

Aufgabe der Erfindung ist es, einen Faden mit einer Codierung anzugeben, die eine möglichst einfache Identifizierung, Verarbeitung und Prüfung des Fadens ermöglicht, wobei der codierte Faden möglichst einfach herstellbar sein soll.The object of the invention is to provide a thread with a coding that allows the simplest possible identification, processing and testing of the thread, the coded thread should be as easy to produce.

Die Lösung dieser Aufgabe erfolgt durch die Merkmale der unabhängigen Ansprüche.The solution of this object is achieved by the features of the independent claims.

Vorteilhafte Ausführungsformen der Erfindung sind in der Beschreibung, der Zeichnung und den Unteransprüchen beschrieben.Advantageous embodiments of the invention are described in the description, the drawings and the subclaims.

Die Aufgabe wird insbesondere dadurch gelöst, dass die Oberfläche des Fadens als die Codierung ausgebildet ist und die Codierung eine Längeninformation umfasst. Dadurch, daß die Oberfläche des Fadens die Codierung bildet, genügt ein einfaches Verfahren zum Lesen der Codierung. Außerdem wird dadurch ermöglicht, dass nach der Herstellung des Fadens die Codierung auf einfache Weise nachträglich aufgebracht werden kann.The object is achieved in particular in that the surface of the thread is formed as the coding and the coding comprises length information. The fact that the surface of the thread forms the coding, a simple method for reading the coding is sufficient. In addition, this makes it possible that after the production of the thread, the coding can be applied subsequently in a simple manner.

Die Längeninformation bewirkt, dass die Codierung nicht nur als Information über den Faden bzw. über das Produkt, in dem der Faden verarbeitet ist, den zugehörigen Hersteller und die zugehörige Charge, sondern auch zur Feststellung von Änderungen der Länge des Fadens dienen kann, die während oder nach seiner Verarbeitung z. B. durch einen Unfall verursacht werden. Zudem kann mittels der Längeninformation der Fadenverbrauch während der Verarbeitung des Fadens bestimmt und gesteuert werden und somit die Stichbildung mit Auswirkungen z.B. auf Nahtfestigkeit oder Dehnung.The length information causes the coding to serve not only as information about the thread or about the product in which the thread is processed, the associated manufacturer and the associated batch, but also for detecting changes in the length of the thread during or after its processing z. B. caused by an accident. In addition, by means of the length information, the thread consumption during the processing of the thread can be determined and controlled and thus the stitch formation with effects, e.g. on seam strength or elongation.

Die Codierung kann eine Markierung aufweisen, die sich in vorbestimmten Abständen, bevorzugt in Abständen von etwa 5 - 100 mm, entlang des Fadens wiederholt. Die Abstände können dabei so gewählt sein, dass sie sowohl für den Hersteller des Fadens, für den Faden und seine Charge, als auch für die Länge einzelner Abschnitte des Fadens charakteristisch sind. Alternativ kann die Codierung so ausgestaltet sein, dass jede Markierung Informationen über den Hersteller, den Faden und seine Charge, beispielsweise in Form eines Streifencodes, eines magnetischen Codes oder eines zweidimensionalen Punktcodes enthält und die Abstände eine Längeninformation bilden, mit der der Fadenverbrauch und die auf den Faden wirkenden Kräfte bestimmt werden können. Durch die Abstände kann erreicht werden, dass Abschnitte des Fadens, die weniger stark beschädigt sind und eine Markierung enthalten, zur Identifizierung des Fadens und seiner Charge dienen können. Zudem kann durch Bestimmen der Abstände während der Verarbeitung festgestellt werden, ob sich der Fadenverbrauch ändert. Auch die auf die Faden wirkenden Kräfte können durch Bestimmen der Abstände z.B. vor und nach einer Beanspruchung mit entsprechender Längenänderung ohne Zerstörung des Fadens ermittelt werden.The coding may have a marking which extends at predetermined intervals, preferably at intervals of about 5-100 mm, along the Thread repeated. The distances can be chosen so that they are characteristic both for the manufacturer of the thread, for the thread and its batch, as well as for the length of individual sections of the thread. Alternatively, the coding may be configured such that each mark contains information about the manufacturer, the thread and its charge, for example in the form of a bar code, a magnetic code or a two-dimensional dot code, and the distances form a length information with which the thread consumption and the the thread acting forces can be determined. The distances can be used so that portions of the thread that are less damaged and contain a mark, can be used to identify the thread and its batch. In addition, it can be determined by determining the distances during processing, whether the thread consumption changes. The forces acting on the thread forces can be determined by determining the distances, for example, before and after a stress with a corresponding change in length without destroying the thread.

In einer bevorzugten Ausgestaltung kann die Oberfläche des Fadens eine Ummantelung aufweisen, die als die Codierung ausgebildet ist. Dabei wird die Oberfläche des Fadens von der Ummantelung gebildet. So kann die Codierung in oder auf der Ummantelung des Fadens vorgesehen sein. Dadurch wird vermieden, dass der Faden selbst verändert wird.In a preferred embodiment, the surface of the thread may have a sheath which is formed as the coding. The surface of the thread is formed by the sheath. Thus, the coding may be provided in or on the sheathing of the thread. This avoids that the thread itself is changed.

Die Ummantelung kann in Form eines auf dem Faden aufgebrachten Films vorgesehen sein.The sheath may be provided in the form of a film applied to the thread.

Die Ummantelung kann ferner zumindest teilweise, insbesondere mit einem Lösungsmittel, entfernbar sein. Durch Entfernen der Ummantelung kann nach dem Lesen der Codierung, beispielsweise nach der Verarbeitung des Fadens, der Zustand des unbedeckten Fadens wiederhergestellt werden.The sheath may further be at least partially removable, especially with a solvent. By removing the sheath, after reading the coding, for example after processing of the thread, the condition of the uncovered thread can be restored.

Alternativ kann auch nur die Codierung, insbesondere mit einem Lösungsmittel, entfernbar sein. So wird nach dem Entfernen der Codierung der uncodierte Zustand des Fadens wiederhergestellt, bzw. bei einem Faden mit Ummantelung, auf der die Codierung aufgebracht ist, verbleibt nach dem Entfernen der Codierung der ummantelte Faden.Alternatively, only the coding, in particular with a solvent, can be removable. Thus, after the removal of the coding, the uncoded state of the thread is restored, or in the case of a thread with a sheathing on which the coding is applied, the sheathed thread remains after the coding has been removed.

Die Codierung kann durch Verformung der Oberfläche des Fadens, insbesondere durch plastische Verformung, gebildet sein. Beispielsweise kann der Faden oder - bei einem Faden mit Ummantelung - seine Ummantelung plastisch verformbar und die Codierung dadurch erhältlich sein, dass der Faden z. B. mit erhitzten Prägestempeln derart bearbeitet wird, daß die äußere Oberfläche eine Struktur erhält, die die gewünschte Information beinhaltet.The coding can be formed by deformation of the surface of the thread, in particular by plastic deformation. For example, the thread or - in a thread with sheath - its sheath plastically deformable and the coding be obtainable in that the thread z. B. is processed with heated dies in such a way that the outer surface receives a structure containing the desired information.

Die Codierung kann von einem optisch lesbaren Codiermaterial auf der Oberfläche des Fadens gebildet sein. Das Codiermaterial kann z. B. aus einem aufgedruckten Farbstoff bestehen, der nur unter UV-Bestrahlung sichtbar ist. So wird das bei normaler Beleuchtung erkennbare Erscheinungsbild des Fadens durch die Codierung nicht verändert.The coding may be formed by an optically readable encoding material on the surface of the thread. The coding can z. B. consist of a printed dye that is visible only under UV irradiation. Thus, the recognizable under normal lighting appearance of the thread is not changed by the coding.

Die Lösung der Aufgabe erfolgt außerdem durch die Merkmale des unabhängigen Verfahrensanspruchs und insbesondere dadurch, dass die Oberfläche des Fadens als eine Codierung ausgebildet wird wobei mittels der Codierung eine Längeninformation codiert wird. Wie oben erläutert kann dadurch erreicht werden, dass ein einfaches Verfahren zum Lesen der Codierung genügt. Außerdem wird durch Ausbildung der Oberfläche des Fadens als die Codierung ermöglicht, dass nach der Herstellung des Fadens die Codierung auf einfache Weise nachträglich aufgebracht werden kann.The object is also achieved by the features of the independent method claim, and in particular by the fact that the surface of the thread is formed as an encoding, wherein by means of the coding length information is encoded. As explained above, it can be achieved that a simple method for reading the coding is sufficient. In addition, by forming the surface of the thread as the coding allows that after manufacture the thread coding can be applied subsequently in a simple manner.

Die Codierung einer Längeninformation ermöglicht eine einfache Bestimmung der Fadenlänge bzw. des Fadenvorrats während der Verarbeitung des Fadens.The coding of a length information allows a simple determination of the thread length or the thread supply during the processing of the thread.

Der Faden kann zur Bildung der Codierung mit einer Markierung, die sich in vorbestimmten Abständen, bevorzugt in Abständen von etwa 5-100 mm, entlang des Fadens wiederholt, versehen werden.The thread may be provided with a marking repeated at predetermined intervals, preferably at intervals of about 5-100 mm, along the thread to form the code.

Zur Bildung der Codierung kann die Oberfläche des Fadens verformt, insbesondere plastisch verformt werden. Dies kann z. B. dadurch geschehen, dass die Oberfläche des Fadens, die aus plastisch verformbaren Material besteht, bzw. eine Ummantelung aus plastisch verformbaren Material mittels Prägestempeln derart strukturiert wird, dass die gewünschte Information enthalten ist.To form the coding, the surface of the thread can be deformed, in particular plastically deformed. This can be z. Example be done by the surface of the thread, which consists of plastically deformable material, or a sheath of plastically deformable material by means of stamping is structured such that the desired information is included.

Ferner kann beim Ausbilden der Codierung ein auf der Oberfläche des Fadens haftendes Codiermaterial aufgebracht werden.Further, in forming the coding, an adhesive on the surface of the thread coding material can be applied.

Dabei kann ein optisch lesbares Codiermaterial verwendet werden.In this case, an optically readable encoding material can be used.

Die Oberfläche des Fadens kann mit einer die Codierung bildenden Ummantelung versehen werden. Die Codierung kann dabei in oder auf der Ummantelung des Fadens vorgesehen werden.The surface of the thread can be provided with a coding forming the sheath. The coding can be provided in or on the sheath of the thread.

Dabei kann eine, insbesondere mit einem Lösungsmittel, zumindest teilweise entfernbare und bevorzugt wasserlösliche Ummantelung verwendet werden. Daher kann der Faden z. B. nach seiner Verarbeitung durch Entfernen der Ummantelung wieder in seinen ursprünglichen Zustand bzw. in sein ursprüngliches Erscheinungsbild überführt werden.In this case, a, in particular with a solvent, at least partially removable and preferably water-soluble sheath can be used. Therefore, the thread z. B. after its processing by Removing the sheath be restored to its original state or in its original appearance.

Erfindungsgemäß kann ein codierter Faden zur Identifizierung des Fadens oder eines den Faden umfassenden Produktes verwendet werden. Wenn die Oberfläche des Fadens in einer Mehrzahl von Bereichen als Codierung ausgebildet ist, wird im Falle einer Beschädigung des Fadens bzw. eines zugehörigen Kleidungsstückes, die Identifizierung des Fadens erleichtert, da unbeschädigte Bereiche zur Identifizierung dienen können. So hat jeder Faden seine eigene Identität und das aufwendige Registrieren von Chargen für das Nachvollziehen bei Reklamationen entfällt. Die Identität des Fadens kann ferner bei der Verfolgung von Produktpiraterie eingesetzt werden. Zudem ist die als Codierung ausgebildete Oberfläche von außen leicht zugänglich, was dazu führt, dass die Codierung einfach, d. h. mit einem einfachen Leseverfahren lesbar ist. Ferner kann die Codierung nach der Herstellung des Fadens, d.h. nachträglich vorgesehen werden.According to the invention, a coded thread can be used to identify the thread or a product comprising the thread. If the surface of the thread is formed in a plurality of areas as coding, in case of damage to the thread or an associated garment, the identification of the thread is facilitated because undamaged areas can be used for identification. So each thread has its own identity and the complex registration of batches for tracing in case of complaints is eliminated. The identity of the thread can also be used in the prosecution of product piracy. In addition, the surface formed as coding is easily accessible from the outside, which means that the coding is simple, d. H. is readable with a simple reading method. Furthermore, the coding after the manufacture of the thread, i. be provided subsequently.

Außerdem kann erfindungsgemäß ein codierter Faden zur Bestimmung und/oder Steuerung des Fadenverbrauchs bei der Fadenverarbeitung und insbesondere bei der Herstellung von Nähten verwendet werden. Eine Codierung mit einer Längeninformation ermöglicht genaue Aussagen über den Fadenverbrauch bezogen auf eine vorgegebene Nahtlänge, aber auch z. B. bei Nähstichtypen mit mehr als einem Faden Aussagen über das Fadenverhältnis von z. B. Nadel- zu Greiferfaden. Daraus ist dann mittels entsprechender Lesegeräte beim Nähvorgang zu erkennen, ob die Stichbildung optimal ist im Hinblick auf die Nahtfestigkeit und die Nahtdehnung. So kann über eine Steuerung des Fadenverbrauchs der Fadenvorrat in der Naht und damit das Nahtverhalten kontrolliert werden.In addition, according to the invention a coded thread can be used to determine and / or control the thread consumption in the thread processing and in particular in the production of seams. An encoding with a length information allows accurate statements about the thread consumption based on a given seam length, but also z. B. in Nähstichtypen with more than one thread statements about the thread ratio of z. B. needle to looper thread. From this it can then be detected by means of appropriate readers during the sewing process, whether the stitch formation is optimal in terms of seam strength and seam elongation. So can be controlled by controlling the thread consumption of the thread supply in the seam and thus the seam behavior.

Erfindungsgemäß kann ferner ein codierter Faden zur Bestimmung von auf den Faden oder auf ein den Faden umfassendes Produkt einwirkenden und insbesondere zu Fadendehnungen führenden Kräften verwendet werden. Enthält die Codierung eine Längeninformation, können durch Ermittlung der Länge vor und nach dem Nähen übermäßige Dehnungen des Fadens beim Nähvorgang bestimmt werden. Auch nach einem Verkehrsunfall kann die Länge eines Abschnitts eines z. B. im Sicherheitsgurt verarbeiteten codierten Fadens mit der ursprünglichen Länge verglichen und daraus eine unfallbedingte Dehnung des Fadens und damit des Sicherheitsgurtes bestimmt werden. Dadurch können Krafteinwirkungen ohne physikalische Zerstörung des Fadens ermittelt und Längenveränderungen den Kräften und deren möglichen Ursachen zugeordnet werden. Dies kann vorteilhaft auch in der Kriminalistik eingesetzt werden.According to the invention may further comprise a coded thread for the determination of acting on the thread or on a product comprising the thread comprehensive and in particular to thread expansions leading forces are used. If the coding contains a length information, by determining the length before and after the sewing, excessive stretching of the thread during the sewing process can be determined. Even after a traffic accident, the length of a section of a z. B. processed in the safety belt coded thread with the original length and from an accidental elongation of the thread and thus the seat belt can be determined. As a result, the effects of force can be determined without physical destruction of the thread and length changes can be assigned to the forces and their possible causes. This can be advantageously used in criminalistics.

Nachfolgend wird die Erfindung rein beispielhaft unter Bezugnahme auf die beigefügten Zeichnungen beschrieben. Es zeigen:

Fig. 1
eine Draufsicht auf eine erste Ausführungsform eines erfindungsgemäßen Fadens;
Fig. 2
einen Querschnitt entlang der Linie A-A der in Fig. 1 dargestellten ersten Ausführungsform;
Fig. 3
eine Draufsicht auf eine zweite Ausführungsform des erfindungsgemäßen Fadens;
Fig. 4
eine Querschnittsansicht der zweiten Ausführungsform.
Hereinafter, the invention will be described purely by way of example with reference to the accompanying drawings. Show it:
Fig. 1
a plan view of a first embodiment of a thread according to the invention;
Fig. 2
a cross section along the line AA of the first embodiment shown in Figure 1;
Fig. 3
a plan view of a second embodiment of the thread according to the invention;
Fig. 4
a cross-sectional view of the second embodiment.

In der ersten Ausführungsform gemäß Fig. 1 und 2 weist ein Faden 2 auf seiner Oberfläche in gleichbleibenden Abständen B eine Markierung 4 auf. Die Markierung 4 besteht aus einem nur im UV-Licht sichtbaren Farbstoff, der in Form eines für den Hersteller, den Faden und seine Charge charakteristischen Streifencodes 6 auf den Faden 2 aufgebracht ist. Mit dem Streifencode 6 besitzt daher jeder Faden seine eigene Identität. Die Abstände B dienen als Längeninformation zur Steuerung des Fadenverbrauchs beim Nähvorgang und zur Realisierung eines kontrollierten Nahtverhaltens. Da der Streifencode stark verkleinert punktuell als sogenannte Mikrocodierung vorgesehen und zudem nur im UV-Licht erkennbar ist, wird das äußere Erscheinungsbild des Fadens praktisch nicht beeinflusst.In the first embodiment according to FIGS. 1 and 2, a thread 2 has a marking 4 on its surface at constant intervals B. The marking 4 consists of a visible only in UV light dye, which is applied in the form of a characteristic of the manufacturer, the thread and its batch bar code 6 on the thread 2. With the bar code 6, therefore, each thread has its own identity. The distances B serve as length information for controlling the thread consumption during the sewing process and for realizing a controlled seam behavior. Since the bar code is greatly reduced selectively provided as so-called micro-coding and also only visible in UV light, the appearance of the thread is virtually unaffected.

Der Streifencode 6 wird mit einem entsprechenden Druckstempel nach der Herstellung des uncodierten Fadens 2 in den Abständen B auf den unbeanspruchten und ungedehnten Faden aufgedruckt. Herkömmliche Produktionslinien für Fäden können durch Einbau einer entsprechenden Codierstation einfach und kostengünstig umgerüstet werden.The bar code 6 is printed with a corresponding plunger after the production of the uncoded thread 2 at the intervals B on the unclaimed and unstretched thread. Conventional production lines for threads can be easily and inexpensively converted by installing a corresponding coding station.

Zum Lesen der Codierung gemäß der ersten Ausführungsform wird mit einem Lesegerät der codierte Faden mit UV-Licht bestrahlt, der Streifencode mit einem im Wellenlängenbereich des UV-Farbstoffs aktiven Sensor erfasst und ausgelesen und entlang des Fadens die Abstände B bestimmt.To read the coding according to the first embodiment, the encoded thread is irradiated with UV light by a reading device, the strip code is detected and read by a sensor active in the wavelength range of the UV dye, and the distances B are determined along the thread.

In der zweiten Ausführungsform gemäß Fig. 3 und 4 besteht die Oberfläche des Fadens 8 aus einer Ummantelung 10, die den Kern 12 des Fadens 8 einhüllt. Die Ummantelung 10 besteht aus einem in Wasser oder einem anderen Lösungsmittel löslichen Material. Außerdem ist die Ummantelung 10 in Abständen C und D mit Vertiefungen 14 versehen, wobei die verschieden großen Abstände C und D für den Hersteller, den Faden und seine Charge als Code kennzeichnend sind. Die Vertiefungen 14 sind nur in der Ummantelung 10 vorgesehen, so dass der Kern 12 des Fadens 8 unverändert bleibt. Dies ermöglicht, dass nach dem Lesen der im Code enthaltenen Information die Ummantelung 10 in Wasser bzw. dem Lösungsmittel aufgelöst und der uncodierte Kern 12 des Fadens 8 freigelegt werden kann.In the second embodiment according to FIGS. 3 and 4, the surface of the thread 8 consists of a sheath 10 which encloses the core 12 of the thread 8. The sheath 10 is made of a material soluble in water or other solvent. In addition, the sheath 10 is provided at intervals C and D with recesses 14, wherein the different sized distances C and D are characteristic of the manufacturer, the thread and its batch as a code. The recesses 14 are provided only in the sheath 10, so that the core 12 of the thread 8 remains unchanged. This allows for after reading the code information contained the sheath 10 dissolved in water or the solvent and the uncoded core 12 of the thread 8 can be exposed.

Die Herstellung des Fadens 8 beginnt mit der Erzeugung des Kerns 12, der ein herkömmlicher uncodierter Faden ist. Dieser wird dann durch Eintauchen in eine Lösung des plastifizierbaren Materials der Ummantelung und durch Verdampfen des Lösungsmittels mit der Ummantelung 10 versehen. Weiterhin kann die Ummantelung 10 z.B. durch statische Aufladung des Fadens in Art einer Beflockung oder durch Aufdampfen im Vakuum (Eloxalverfahren) erzeugt werden. Nachdem die Ummantelung 10 getrocknet ist, wird sie z. B. mit erhitzten Prägestempeln strukturiert, indem die Vertiefungen 14 in den Abständen C und D eingeprägt werden.The manufacture of the thread 8 begins with the production of the core 12, which is a conventional uncoded thread. This is then provided by immersion in a solution of the plasticizable material of the sheath and by evaporation of the solvent with the sheath 10. Furthermore, the sheath 10 may be e.g. be generated by static charging of the thread in the manner of flocking or by vacuum evaporation (anodizing). After the sheath 10 has dried, it is z. B. structured with heated dies by the depressions 14 are imprinted in the distances C and D.

Beim Lesen der Codierung der zweiten Ausführungsform wird ein Lesegerät eingesetzt, das entlang des Fadens die Vertiefungen 14 z. B. mit einem Höhenunterschiede erfassenden Sensor, der beispielsweise einen Laser aufweist, registriert und damit auch die Abstände C und D bestimmt.When reading the coding of the second embodiment, a reading device is used, along the thread, the recesses 14 z. B. with a height difference sensor detecting, for example, has a laser registered, and thus determines the distances C and D.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

22
Fadenthread
44
Markierungmark
66
Streifencodebar code
88th
Fadenthread
1010
Ummantelungjacket
1212
Kerncore
1414
Vertiefungdeepening

Claims (18)

  1. A thread with a coding,
    wherein the surface of the thread (2; 8) is made as the coding (4; 14),
    characterised in that
    the coding (4; 14) includes a piece of information on length.
  2. A thread in accordance with claim 1, characterised in that the coding (4; 14) has a marking (4) which is repeated at pre-determined intervals, preferably at intervals of approximately 5-100 mm, along the thread (2; 8).
  3. A thread in accordance with any one of the preceding claims, characterised in that the surface of the thread (2; 8) has a jacket (10) which is made as the coding (4; 14).
  4. A thread in accordance with claim 3, characterised in that the jacket (10) is provided in the form of a film applied to the thread (8).
  5. A thread in accordance with claim 3 or claim 4, characterised in that the jacket (10) can be removed at least partly, in particular using a solvent, and is preferably water soluble.
  6. A thread in accordance with any one of the preceding claims, characterised in that the coding (4; 14) is made by deforming the surface of the thread (2; 8), in particular by plastic deformation.
  7. A thread in accordance with any one of the preceding claims, characterised in that the coding (4; 14) is made from an optically readable coding material (6) on the surface of the thread (2; 8).
  8. A method of manufacturing a coded thread, in particular in accordance with any one of the preceding claims,
    wherein the surface of the thread (2; 8) is made as the coding (4; 14),
    characterised in that
    a piece of information on length is coded by means of the coding (4; 14).
  9. A method in accordance with claim 8, characterised in that, to form the coding (4; 14), the thread (2; 8) is provided with a marking (4) which is repeated at pre-determined intervals, preferably at intervals of approximately 5 - 100 mm, along the thread (2; 8).
  10. A method in accordance with any one of the claims 8 to 9, characterised in that, to form the coding (4; 14), the surface of the thread (2; 8) is deformed and is in particular plastically deformed.
  11. A method in accordance with any one of the claims 8 to 10, characterised in that, to form the coding (4; 14), a coding material (6; 10) adhering to the surface of the thread (2; 8) is applied.
  12. A method in accordance with claim 11, characterised in that an optically readable coding material (6) is used.
  13. A method in accordance with any one of the claims 8 to 12, characterised in that the surface of the thread (2; 8) is provided with a jacket (10) forming the coding.
  14. A method in accordance with claim 13, characterised in that a jacket (10) is used which is at least partly removable, in particular with a solvent, and which is preferably water soluble.
  15. A method in accordance with any one of the claims 8 to 14, characterised in that the coding (4; 14) is applied subsequently to the manufacture of the thread (2; 8), in particular in a non-strained or non-stretched state of the thread (2; 8).
  16. Use of a coded thread in accordance with any one of the claims 1 to 7 for the identification of the thread (2; 8) or of a product including the thread (2; 8).
  17. Use of a coded thread in accordance with any one of the claims 1 to 7 for the determination and/ or control of the thread consumption in the thread processing and in particular in the manufacture of seams.
  18. Use of a coded thread in accordance with any one of the claims 1 to 7 for the determination of forces acting on the thread (2; 8) or on a product including the thread (2; 8) and in particular resulting in thread stretching.
EP02023315A 2001-11-30 2002-10-17 Thread with coding and method of manufacturing a coded thread Expired - Lifetime EP1316632B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10159047A DE10159047A1 (en) 2001-11-30 2001-11-30 Thread with a coding and method for producing a coded thread
DE10159047 2001-11-30

Publications (2)

Publication Number Publication Date
EP1316632A1 EP1316632A1 (en) 2003-06-04
EP1316632B1 true EP1316632B1 (en) 2006-01-04

Family

ID=7707695

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02023315A Expired - Lifetime EP1316632B1 (en) 2001-11-30 2002-10-17 Thread with coding and method of manufacturing a coded thread

Country Status (5)

Country Link
EP (1) EP1316632B1 (en)
AT (1) ATE315117T1 (en)
DE (2) DE10159047A1 (en)
DK (1) DK1316632T3 (en)
ES (1) ES2251557T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005047786A1 (en) * 2005-10-05 2007-04-19 Urs Isler Treatment of yarn for authentication and-or identification, e.g. in clothing or logos, involves attaching to the yarn closed nano-containers filled with signature substances, especially fluorescent dyes
DE102007030017A1 (en) * 2007-06-29 2009-01-08 Matthias Lydike Marking textiles
AT506966B1 (en) 2008-12-29 2010-01-15 Matthias Lydike METHOD AND DEVICE FOR IDENTIFYING A PLASTIC FIBER
DE102017101742A1 (en) 2017-01-30 2018-08-02 Trw Automotive Gmbh Gas bag for a vehicle occupant restraint system and method for quality control and / or determination of the yarn consumption for a gas bag seam of such a gas bag
EP3476617A1 (en) 2017-10-25 2019-05-01 Österreichische Staatsdruckerei GmbH Document with seam
CN111237593A (en) * 2020-01-15 2020-06-05 杭州淘控电子商务有限公司 Electricity commercial bar code automatic identification equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1822098A (en) * 1927-06-02 1931-09-08 Plymouth Cordage Co Marking device
CH309531A (en) * 1952-06-30 1955-09-15 Bindfadenfabrik Schweizerische Method of marking yarn or the like.
US4397142A (en) * 1981-12-07 1983-08-09 Minnesota Mining And Manufacturing Company Coded threads and sheet material useful for making such coded threads
US4527383A (en) * 1983-03-28 1985-07-09 Minnesota Mining And Manufacturing Company Threads for identification of garments
US5573851A (en) * 1994-05-16 1996-11-12 U.S. Textile Corporation Ultraviolet-detectable marking yarn and a textile fabric product therewith
DE19518231A1 (en) * 1995-05-12 1996-11-14 Bornemann & Bick Kg Simpler, more durable coded threads for designer labels, clothes etc.

Also Published As

Publication number Publication date
ES2251557T3 (en) 2006-05-01
ATE315117T1 (en) 2006-02-15
DE50205508D1 (en) 2006-03-30
DK1316632T3 (en) 2006-03-06
EP1316632A1 (en) 2003-06-04
DE10159047A1 (en) 2003-06-12

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