EP2124232B2 - Electrical cable for connecting to mobile consumer loads - Google Patents

Electrical cable for connecting to mobile consumer loads Download PDF

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Publication number
EP2124232B2
EP2124232B2 EP09305285.0A EP09305285A EP2124232B2 EP 2124232 B2 EP2124232 B2 EP 2124232B2 EP 09305285 A EP09305285 A EP 09305285A EP 2124232 B2 EP2124232 B2 EP 2124232B2
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EP
European Patent Office
Prior art keywords
core
line according
tapes
line
copper
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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.)
Not-in-force
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EP09305285.0A
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German (de)
French (fr)
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EP2124232B1 (en
EP2124232A3 (en
EP2124232A2 (en
Inventor
Ferdinand Grögl
Angela Brutler
Thomas Mann
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Nexans SA
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Nexans SA
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H01B7/041—Flexible cables, conductors, or cords, e.g. trailing cables attached to mobile objects, e.g. portable tools, elevators, mining equipment, hoisting cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring

Definitions

  • the invention relates to an electrical line for connection to portable consumers, which has at least two cores consisting of insulated electrical conductors and at least one electrical screen consisting of individual wires, which is designed as a braid or roping (US Pat. EP 1 736 999 A1 ).
  • Such a line is used for example for connecting mobile devices, in particular robots, with a voltage or signal source.
  • the cable must be mechanically strong, with a long-term constant bending strength. You should remain well bendable in a wide temperature range, for example, between -40 ° C and +80 ° C.
  • Of particular importance to such a conduit is its torsional strength, as robots must become more and more mobile as technology advances so that they can, for example, be moved along production lines at ever-increasing speeds and accelerations.
  • the lines are especially then constantly twisted in changing directions.
  • cables are required, for example, survive up to five million torsional cycles with torsional loads by angles of, for example, ⁇ 360 ° and more unscathed. This requirement applies in particular to the shield, whose electrical effectiveness is ensured only with undamaged individual wires.
  • From the EP 1 327 994 A2 shows a flexible electrical line having in a soul a power line, a line for the transmission of high-frequency signals and a line for the transmission of low-frequency signals, which are stranded around a central core element.
  • low frequency lines are arranged, which have a shield consisting of copper wires.
  • the soul is surrounded by a plastic jacket.
  • the well-known line after the above-mentioned EP 1 736 999 A1 has cores for different transmission purposes and electrically effective umbrellas that surround the wires individually and / or together.
  • the screens are constructed as a braid or umseilung of individual wires.
  • the individual wires are made of copper.
  • a corresponding copper wire mesh can also be tinned.
  • Such umbrellas have basically proven in practice. However, the individual wires of the same can break after a large number of torsion cycles, so that the functionality of the screens would no longer be secured.
  • the invention has for its object to make the line described above so that the at least one screen same has an increased torsional strength.
  • the individual wires have a strand-like core made of a permanently resistant to bending and torsion-resistant material to which at least one band of electrically good conductive material is wrapped around with overlapping edges.
  • the band of electrically good conductive material is preferably made of copper or a copper alloy. It can also be made of silver, gold or platinum on high-quality lines. Representative of all possible embodiments, the band is referred to below as the "copper band”.
  • two copper strips of opposite winding direction are each wound around the core at an angle of about 45 °.
  • the angle of about 45 °, with which each of the copper tapes is wound around the core, is particularly advantageous because bends and twists of the core have little effect on the copper tapes crossing each other at an angle of about 90 °.
  • This advantage additionally has a positive electrical effect, because the inductance of a shield made of wires twisted in the opposite direction is effectively reduced. This minimizes the influence of the shielding inductance on the characteristic impedance and the line attenuation of a line, for example a data line.
  • Fig. 1 is a cross-section of an electrical line shown having two stranded cores 1 and 2, a surrounding inner shell 3, a disposed over the inner shell 3 electric screen 4 and a shield surrounding shell 5 of insulating material.
  • a harness could be used instead of the inner shell 3, a harness could be used.
  • Other, possibly to build the line belonging parts are not shown for clarity.
  • the two wires 1 and 2 each consist of an electrical conductor and the same surrounding insulation. They can serve with appropriate dimensioning of data transmission and / or power transmission. There can also be more than two wires in the cable, including wires with different configurations.
  • the wires 1 and 2 can also each be surrounded by an electrical screen. Such screens may be used instead of the common screen 4, but also in addition to the same.
  • the screen 4, as well as the optionally existing screens of the wires 1 and 2 consists of individual wires 6 (FIG. 4 to 6 ).
  • the individual wires 6 have a strand-shaped core 9 made of a permanently resistant to bending and torsion resistant material.
  • the core 9 can advantageously consist of steel, of plastic yarn or of a mineral fiber yarn, such as glass, quartz glass, basalt or carbon.
  • a corresponding plastic yarn is constructed, for example, of polyaramid filaments.
  • the copper tape 10 may be blank. It can also be tinned, silvered or nickel plated. This information also applies to the following for the FIGS. 5 and 6 described copper bands.
  • Fig. 5 are in the illustrated individual wire 6, two copper bands 11 and 12 with the same Wikkelvorraum lying around the core 9 wound around, in such a way that the outer copper strip 12 covers gaps between the turns of the inner copper strip 11. This also forms a core 9 surrounding the surrounding, closed layer.
  • two copper strips 13 and 14 are wound around the core 9 in opposite winding directions, each at an angle of about 45 ° so as to intersect at an angle of about 90 °.
  • the copper strips 10 to 14 are advantageously made from a round wire by cold rolling and thereby brought to their final dimensions. They may have a width of, for example, 0.15 mm to 1.00 mm and a thickness of 0.01 mm to 0.05 mm.

Description

Die Erfindung bezieht sich auf eine elektrische Leitung zum Anschluß an ortsveränderliche Verbraucher, welche mindestens zwei aus isolierten elektrischen Leitern bestehenden Adern sowie mindestens einen, aus Einzeldrähten bestehenden elektrischen Schirm aufweist, der als Geflecht oder Umseilung ausgeführt ist ( EP 1 736 999 A1 ).The invention relates to an electrical line for connection to portable consumers, which has at least two cores consisting of insulated electrical conductors and at least one electrical screen consisting of individual wires, which is designed as a braid or roping (US Pat. EP 1 736 999 A1 ).

Eine derartige Leitung wird beispielsweise zum Verbinden von ortsveränderlichen Geräten, insbesondere von Robotern, mit einer Spannungs- bzw. Signalquelle eingesetzt. Die Leitung muß mechanisch belastbar sein, mit einer auf lange Zeit gleichbleibenden Biegefestigkeit. Sie soll auch in einem weiten Temperaturbereich gut biegbar bleiben, der beispielsweise zwischen -40 °C und +80 °C liegt. Von besonderer Bedeutung für eine solche Leitung ist ihre Torsionsfestigkeit, da Roboter mit fortschreitender Technik immer beweglicher werden müssen, damit sie beispielsweise entlang von Fertigungsstraßen mit immer höher werdenden Geschwindigkeiten und Beschleunigungen hin- und herbewegt werden können. Die Leitungen werden insbesondere dann dauernd in wechselnden Richtungen tordiert. In der Praxis werden Leitungen gefordert, die beispielsweise bis zu fünf Millionen Torsionszyklen mit Torsionsbelastungen um Winkel von beispielsweise ± 360° und mehr unbeschadet überstehen. Diese Forderung gilt insbesondere auch für den Schirm, dessen elektrische Wirksamkeit nur bei unbeschädigten Einzeldrähten sichergestellt ist.Such a line is used for example for connecting mobile devices, in particular robots, with a voltage or signal source. The cable must be mechanically strong, with a long-term constant bending strength. You should remain well bendable in a wide temperature range, for example, between -40 ° C and +80 ° C. Of particular importance to such a conduit is its torsional strength, as robots must become more and more mobile as technology advances so that they can, for example, be moved along production lines at ever-increasing speeds and accelerations. The lines are especially then constantly twisted in changing directions. In practice, cables are required, for example, survive up to five million torsional cycles with torsional loads by angles of, for example, ± 360 ° and more unscathed. This requirement applies in particular to the shield, whose electrical effectiveness is ensured only with undamaged individual wires.

Aus der EP 1 327 994 A2 geht eine flexible elektrische Leitung hervor, die in einer Seele eine Energieleitung, eine Leitung zur Übertragung von Hochfrequenzsignalen und eine Leitung zur Übertragung von Niederfrequenzsignalen aufweist, die um ein zentrales Kernelement herum verseilt sind. In den Zwickeln zwischen den drei Leitungen sind außerdem Niederfrequenzleitungen angeordnet, die eine aus Kupferdrähten bestehende Abschirmung aufweisen. Die Seele ist von einem Mantel aus Kunststoff umgeben.From the EP 1 327 994 A2 shows a flexible electrical line having in a soul a power line, a line for the transmission of high-frequency signals and a line for the transmission of low-frequency signals, which are stranded around a central core element. In the gussets between the three lines also low frequency lines are arranged, which have a shield consisting of copper wires. The soul is surrounded by a plastic jacket.

Die bekannte Leitung nach der eingangs erwähnten EP 1 736 999 A1 weist Adern für unterschiedliche Übertragungszwecke sowie elektrisch wirksame Schirme auf, welche die Adern einzeln und/oder gemeinsam umgeben. Die Schirme sind als Geflecht oder Umseilung aus Einzeldrähten aufgebaut. Die Einzeldrähte bestehen aus Kupfer. Ein entsprechendes Kupfer-Drahtgeflecht kann auch verzinnt sein. Derartige Schirme haben sich in der Praxis grundsätzlich bewährt. Die Einzeldrähte derselben können jedoch nach einer großen Anzahl von Torsionszyklen brechen, so daß die Funktionsfähigkeit der Schirme nicht mehr gesichert wäre.The well-known line after the above-mentioned EP 1 736 999 A1 has cores for different transmission purposes and electrically effective umbrellas that surround the wires individually and / or together. The screens are constructed as a braid or umseilung of individual wires. The individual wires are made of copper. A corresponding copper wire mesh can also be tinned. Such umbrellas have basically proven in practice. However, the individual wires of the same can break after a large number of torsion cycles, so that the functionality of the screens would no longer be secured.

Der Erfindung liegt die Aufgabe zugrunde, die eingangs beschriebene Leitung so zu gestalten, daß der mindestens eine Schirm derselben eine erhöhte Torsionsfestigkeit hat.The invention has for its object to make the line described above so that the at least one screen same has an increased torsional strength.

Diese Aufgabe wird gemäß der Erfindung dadurch gelöst, dass die Einzeldrähte einen strangförmigen Kern aus einem auf Dauer wechselbiegebeständigen und torsionsbeständigen Material aufweisen, um den mindestens ein Band aus elektrisch gut leitendem Material mit überlappenden Kanten herumgewickelt ist.This object is achieved according to the invention in that the individual wires have a strand-like core made of a permanently resistant to bending and torsion-resistant material to which at least one band of electrically good conductive material is wrapped around with overlapping edges.

Das Band aus elektrisch gut leitendem Material besteht vorzugsweise aus Kupfer oder einer Kupferlegierung. Es kann bei hochwertigen Leitungen aber auch aus Silber, Gold oder Platin bestehen. Stellvertretend für alle möglichen Ausführungsformen wird das Band im folgenden als "Kupferband" bezeichnet.The band of electrically good conductive material is preferably made of copper or a copper alloy. It can also be made of silver, gold or platinum on high-quality lines. Representative of all possible embodiments, the band is referred to below as the "copper band".

Bei dieser Leitung werden die Auswirkungen der mechanischen Belastungen des Schirms, die bei dauernd wechselnder Torsionsbelastung auf denselben ausgeübt werden, im wesentlichen vom strangförmigen Kern der Einzeldrähte aufgefangen. Der aus einem nur nach mechanischen Vorgaben ausgewählten Material bestehende Kern hält die große Anzahl von beispielsweise mehreren Millionen Torsionszyklen unbeschädigt aus, so dass auch der aus entsprechenden Einzeldrähten aufgebaute Schirm der Leitung unbeschädigt bleibt. Das gilt auch für die elektrische Wirksamkeit des Schirms, weil das mindestens eine um den Kern herumgewickelte Kupferband durch die dauernd wechselnde Torsionsbelastung der Leitung selbst nur wenig belastet wird. Es bleibt vielmehr mit unveränderter Position um den Kern herumgewickelt. Das Kupferband ist zur Bildung einer rundum geschlossenen Schicht mit überlappenden Kanten um den Kern herumgewickelt.In this line, the effects of the mechanical stresses of the screen, which are exerted on the same with constantly changing torsional load, essentially absorbed by the strand-shaped core of the individual wires. The core consisting of a material selected only according to mechanical specifications keeps the large number of, for example, several million torsion cycles undamaged, so that the screen of the line constructed from corresponding individual wires also remains undamaged. This also applies to the electrical effectiveness of the screen, because the at least one wound around the core copper band is only slightly loaded by the constantly changing torsional load of the line itself. Instead, it remains wrapped around the core with an unchanged position. The copper tape is wrapped around the core to form a completely closed layer with overlapping edges.

In einer anderen bevorzugten Ausführungsform sind zwei Kupferbänder mit entgegengesetzter Wickelrichtung jeweils unter einem Winkel von etwa 45° um den Kern herumgewickelt. Der Winkel von etwa 45°, mit dem jedes der Kupferbänder um den Kern herumgewickelt ist, ist von besonderem Vorteil, weil Biegungen und Verdrehungen des Kerns nur eine geringe Rückwirkung auf die einander unter einem Winkel von etwa 90° kreuzenden Kupferbänder haben. Dieser Vorteil wirkt sich zusätzlich positiv in elektrischer Hinsicht aus, weil die Induktivität eines aus in gegensinniger Richtung bebänderten Einzeldrähten bestehenden Schirms effektiv reduziert wird. Dadurch wird der Einfluß der Schirminduktivität auf den Wellenwiderstand und die Leitungsdämpfung einer Leitung, beispielsweise einer Datenleitung minimiert.In another preferred embodiment, two copper strips of opposite winding direction are each wound around the core at an angle of about 45 °. The angle of about 45 °, with which each of the copper tapes is wound around the core, is particularly advantageous because bends and twists of the core have little effect on the copper tapes crossing each other at an angle of about 90 °. This advantage additionally has a positive electrical effect, because the inductance of a shield made of wires twisted in the opposite direction is effectively reduced. This minimizes the influence of the shielding inductance on the characteristic impedance and the line attenuation of a line, for example a data line.

Ausführungsbeispiele des Erfindungsgegenstandes sind in den Zeichnungen dargestellt.Embodiments of the subject invention are illustrated in the drawings.

Es zeigen:Show it:

  • Fig. 1 einen Schnitt durch eine Leitung nach der Er-findung. Fig. 1 a section through a line according to the invention.
  • Fig. 2 und 3 Ausführungsformen von elektrischen Schirmen der Leitung in schematischen, vergrößerten Darstellungen. FIGS. 2 and 3 Embodiments of electric screens of the line in schematic, enlarged representations.
  • Fig. 4 bis 6 Einzeldrähte des Schirms in unterschiedlichen Ausführungsformen in weiter vergrößerter Darstellung. 4 to 6 Individual wires of the screen in different embodiments in a further enlarged view.

In Fig. 1 ist ein Querschnitt einer elektrischen Leitung dargestellt, die zwei miteinander verseilte Adern 1 und 2, einen dieselben umgebenden Innenmantel 3, einen über dem Innenmantel 3 angeordneten elektrischen Schirm 4 und einen den Schirm umgebenden Mantel 5 aus Isoliermaterial aufweist. Statt des Innenmantels 3 könnte auch eine Bebänderung eingesetzt sein. Andere, gegebenenfalls zum Aufbau der Leitung gehörende Teile sind der Übersichtlichkeit halber nicht mit dargestellt.In Fig. 1 is a cross-section of an electrical line shown having two stranded cores 1 and 2, a surrounding inner shell 3, a disposed over the inner shell 3 electric screen 4 and a shield surrounding shell 5 of insulating material. Instead of the inner shell 3, a harness could be used. Other, possibly to build the line belonging parts are not shown for clarity.

Die beiden Adern 1 und 2 bestehen jeweils aus einem elektrischen Leiter und einer denselben umgebenden Isolierung. Sie können mit entsprechender Dimensionierung der Datenübertragung und/oder der Stromübertragung dienen. In der Leitung können auch mehr als zwei Adern vorhanden sein, und zwar auch Adern mit unterschiedlichem Aufbau. Die Adern 1 und 2 können auch jeweils von einem elektrischen Schirm umgeben sein. Derartige Schirme können statt des gemeinsamen Schirms 4 eingesetzt sein, aber auch zusätzlich zu demselben.The two wires 1 and 2 each consist of an electrical conductor and the same surrounding insulation. They can serve with appropriate dimensioning of data transmission and / or power transmission. There can also be more than two wires in the cable, including wires with different configurations. The wires 1 and 2 can also each be surrounded by an electrical screen. Such screens may be used instead of the common screen 4, but also in addition to the same.

Der Schirm 4 besteht ebenso wie die gegebenenfalls vorhandenen Schirme der Adern 1 und 2 aus Einzeldrähten 6 (Fig. 4 bis 6). Die Einzeldrähte 6 können ihre jeweilige Unterlage - Innenmantel 3 oder Adern 1 und 2 - gemäß Fig. 2 als Geflecht 7 oder gemäß Fig. 3 als Umseilung 8 umgeben.The screen 4, as well as the optionally existing screens of the wires 1 and 2 consists of individual wires 6 (FIG. 4 to 6 ). The individual wires 6, their respective pad - inner sheath 3 or cores 1 and 2 - according to Fig. 2 as braid 7 or according to Fig. 3 surrounded as Umseilung 8.

Die Einzeldrähte 6 haben einen strangförmigen Kern 9 aus einem auf Dauer wechselbiegebeständigen und torsionsbeständigen Material. Der Kern 9 kann mit Vorteil aus Stahl, aus Kunststoffgarn oder aus einem Mineralfasergarn bestehen, wie beispielsweise Glas, Quarzglas, Basalt oder Kohlenstoff. Ein entsprechendes Kunststoffgarn ist beispielsweise aus Polyaramidfilamenten aufgebaut.The individual wires 6 have a strand-shaped core 9 made of a permanently resistant to bending and torsion resistant material. The core 9 can advantageously consist of steel, of plastic yarn or of a mineral fiber yarn, such as glass, quartz glass, basalt or carbon. A corresponding plastic yarn is constructed, for example, of polyaramid filaments.

Um den Kern 9 des Einzeldrahts 6 herum ist gemäß Fig. 4 ein Kupferband 10 mit überlappenden Kanten herumgewickelt, so daß eine den Kern 9 rundum umgebende, geschlossene Schicht gebildet ist. Das Kupferband 10 kann blank sein. Es kann aber auch verzinnt, versilbert oder vernickelt sein. Diese Angaben gelten auch für die im folgenden für die Fig. 5 und 6 beschriebenen Kupferbänder.To the core 9 of the single wire 6 around is according to Fig. 4 a copper tape 10 wrapped around with overlapping edges, so that a core 9 surrounding the surrounding, closed layer is formed. The copper tape 10 may be blank. It can also be tinned, silvered or nickel plated. This information also applies to the following for the FIGS. 5 and 6 described copper bands.

Gemäß Fig. 5 sind bei dem dargestellten Einzeldraht 6 zwei Kupferbänder 11 und 12 mit gleicher Wikkelvorrichtung übereinander liegend um den Kern 9 herumgewickelt, und zwar derart, daß das außen liegende Kupferband 12 Lücken zwischen den Windungen des innen liegenden Kupferbands 11 überdeckt. Auch dadurch ist eine den Kern 9 rundum umgebende, geschlossene Schicht gebildet.According to Fig. 5 are in the illustrated individual wire 6, two copper bands 11 and 12 with the same Wikkelvorrichtung lying around the core 9 wound around, in such a way that the outer copper strip 12 covers gaps between the turns of the inner copper strip 11. This also forms a core 9 surrounding the surrounding, closed layer.

Bei der Ausführungsform des Einzeldrahts 6 nach Fig. 6 sind zwei Kupferbänder 13 und 14 mit entgegengesetzter Wickelrichtung um den Kern 9 herumgewickelt, und zwar jeweils unter einem Winkel von etwa 45°, so daß sie sich unter einem Winkel von etwa 90° kreuzen.In the embodiment of the single wire 6 after Fig. 6 two copper strips 13 and 14 are wound around the core 9 in opposite winding directions, each at an angle of about 45 ° so as to intersect at an angle of about 90 °.

Die Kupferbänder 10 bis 14 werden mit Vorteil aus einem Runddraht durch Kaltwalzen hergestellt und dabei auf ihre endgültigen Abmessungen gebracht. Sie können eine Breite von beispielsweise 0,15 mm bis 1,00 mm und eine Dicke von 0,01 mm bis 0,05 mm haben.The copper strips 10 to 14 are advantageously made from a round wire by cold rolling and thereby brought to their final dimensions. They may have a width of, for example, 0.15 mm to 1.00 mm and a thickness of 0.01 mm to 0.05 mm.

Claims (8)

  1. An electrical line for the connection of moveable electrical loads, comprising at least two insulated electrical conductors and at least one electrical screen, consisting of single wires and having the form of a mesh or a wrapping, characterized in that the wires (6) comprise a rope like core (9) made of a material which is permanently stable against reversed bending strength and torsional stress, around which at least one ribbon of an electrically good conducting material is wound with overlapping edges.
  2. Line according to claim 1, characterized in that two tapes (11,12) of electrically good conducting material are wound around the core (9) with the same direction of lay such, that the outer tape (12) covers gaps which are provided between the windings of the inner tape (11).
  3. Line according to claim 1, characterized in that two tapes (13,14) of electrically good conducting material are wound around the core (9) with opposite direction of lay with an angle of 45° each.
  4. Line according to one of the claims 1 to 3, characterized in that the core (9) is a steel wire.
  5. Line according to one of the claims 1 to 3, characterized in that the core (9) is a yarn of plastic or mineral fibers.
  6. Line according to one of the claims 1 to 5, characterized in that the tapes (10 to 14) consist of copper or a copper alloy.
  7. Line according to claim 6, characterized in that the tapes (10 to 14) are tin-plated, silver-plated or nickel-plated.
  8. Line according to one of the claims 1 to 5, characterized in that the tapes (10 to 14) consist of silver, gold or platinum.
EP09305285.0A 2008-05-20 2009-04-06 Electrical cable for connecting to mobile consumer loads Not-in-force EP2124232B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008027933A DE102008027933A1 (en) 2008-05-20 2008-05-20 Electric cable for connection to mobile consumers

Publications (4)

Publication Number Publication Date
EP2124232A2 EP2124232A2 (en) 2009-11-25
EP2124232A3 EP2124232A3 (en) 2012-02-15
EP2124232B1 EP2124232B1 (en) 2012-10-10
EP2124232B2 true EP2124232B2 (en) 2018-07-25

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ID=40996625

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09305285.0A Not-in-force EP2124232B2 (en) 2008-05-20 2009-04-06 Electrical cable for connecting to mobile consumer loads

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EP (1) EP2124232B2 (en)
DE (1) DE102008027933A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0743991Y2 (en) * 1986-09-02 1995-10-09 ダイキン工業株式会社 Electrode structure of sheet heating element
DE4036476A1 (en) * 1990-02-13 1991-08-14 Siemens Ag Flexible electrical cable for supplying lifting crane magnet - has intermediate packing between cable wires and enclosing rubber mantle
DE29813125U1 (en) * 1998-07-23 1998-10-08 China Textile Inst Tucheng Conductive yarn
DE10162739A1 (en) * 2001-12-20 2003-07-03 Nexans Flexible electrical wire
US20040055780A1 (en) * 2002-07-11 2004-03-25 Susan Hakkarainen Combined suspension cable and electrical conductor
DE20311375U1 (en) * 2003-07-24 2003-10-23 Zimmermann Gmbh W Yarns and fabrics for shielding against electromagnetic radiation
EP1736999A1 (en) 2005-06-24 2006-12-27 Nexans Flexible electrical line
DE202006012155U1 (en) * 2006-01-27 2006-11-09 W. Zimmermann Gmbh & Co. Kg Electrically conductible contact thread has stretchability of whole thread limited by non-elastic core thread, and polyester thread or polyester multifilament thread can be used as core thread

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EP2124232B1 (en) 2012-10-10
DE102008027933A1 (en) 2009-11-26
EP2124232A3 (en) 2012-02-15
EP2124232A2 (en) 2009-11-25

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