EP1771611A1 - Knitted fabric that is electrically conductive in a biaxial manner - Google Patents

Knitted fabric that is electrically conductive in a biaxial manner

Info

Publication number
EP1771611A1
EP1771611A1 EP05771149A EP05771149A EP1771611A1 EP 1771611 A1 EP1771611 A1 EP 1771611A1 EP 05771149 A EP05771149 A EP 05771149A EP 05771149 A EP05771149 A EP 05771149A EP 1771611 A1 EP1771611 A1 EP 1771611A1
Authority
EP
European Patent Office
Prior art keywords
thread
knitted fabric
electrically conductive
conductive
electrically
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
EP05771149A
Other languages
German (de)
French (fr)
Other versions
EP1771611B1 (en
Inventor
Christof Kurt
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.)
Medi GmbH and Co KG
Original Assignee
Medi Bayreuth Weihermueller und Voigtmann GmbH and Co KG
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 Medi Bayreuth Weihermueller und Voigtmann GmbH and Co KG filed Critical Medi Bayreuth Weihermueller und Voigtmann GmbH and Co KG
Publication of EP1771611A1 publication Critical patent/EP1771611A1/en
Application granted granted Critical
Publication of EP1771611B1 publication Critical patent/EP1771611B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/10—Patterned fabrics or articles
    • D04B1/12—Patterned fabrics or articles characterised by thread material
    • D04B1/123—Patterned fabrics or articles characterised by thread material with laid-in unlooped yarn, e.g. fleece fabrics
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/13—Physical properties anti-allergenic or anti-bacterial
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/16—Physical properties antistatic; conductive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y10T442/109—Metal or metal-coated fiber-containing scrim
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]

Definitions

  • the present invention relates to an electrically conductive knitted fabric consisting of courses of an electrically nonconductive base thread, and Ma ⁇ rows of an electrically conductive thread arranged between them, wo ⁇ also in several rows of electrically non-conductive ground yarn with one or more rows of electrically conductive thread can alternate.
  • Such a knit fabric is known from EP-AO 281 526.
  • the task of this knit fabric is the dissipation of electrostatic charge, or their distribution over the fabric.
  • the EP-AO 185 480 solves this problem, wherein in an elastic knit threads of, for example, metal-coated fibersLear ⁇ are processed, which are entangled with a basic thread.
  • a knit fabric is proposed in which one side consists of a non-conductive thread and the other side of the conductive thread.
  • electrically conductive threads are not only beaten to dissipate electrostatic charge.
  • DE-A-199 29 077 for example, proposes a silver fabric for shielding electrical and high-frequency magnetic fields. In a similar manner, DE-A-196 48 544.
  • US-A-4,653,473 finally proposes the processing of steel threads for garments in order to reduce both the so-called phantom pain in amputations or to contribute to the relief of arthritis.
  • the fight against phantom pain is also an object of DE-U-202 08 592, which proposes a liner for stumps, in which a matrix of electrically conductive material is incorporated.
  • electrically conductive material silver is preferred as a thread or coating of the thread, since it additionally has antibacterial properties.
  • silver is a very expensive material, so knits made purely of silver filaments or silver-coated filaments are out of the question for wide applications.
  • metal threads, threads which are coated with metal or threads of non-conductive material which are wrapped by a metal thread sets in terms of elasticity of the fabric obtained certain limits. It is an object of the present invention to provide a knitted fabric containing threads of an electrically conductive material which is biaxially conductive but also has a high elasticity in at least one direction as desired. Object of the present invention is further to provide a knitted fabric with which a biaxial electrical conductivity can be achieved with significant reduction of the silver content of the fabric.
  • an electrically conductive knitted fabric consisting of rows of stitches of an electrically non-conductive base thread, as well as courses of an electrically conductive thread arranged between them, wherein also meh ⁇ rere series electrically non-conductive base thread with one or more rows of electrically conductive thread can alternately, characterized gekennzei ⁇ chnet that in places between the rows of electrically conductive thread is a series of electrically non-conductive thread cross-connection.
  • a conductive thread preferably metallized PA (polyamide) or PES (polyester) yarns or conductive polymers, or used with these yarns wound elastomeric thread. Again preferred is silver-plated PA because of its antibacterial properties and good entangleability. Also in non-conductive yarn PA and PES is preferred, or with PA or PES wound elastomer thread.
  • connection is achieved by overlapping meshes of the respective adjacent rows of electrically conductive thread over flottish sections of the electrically non-conductive fade.
  • connection is made by Ü bridging the electrically non-conductive thread by means of mesh, catch, plating, float or transfer of the electrically conductive thread.
  • connection points are arranged offset to one another, wherein the offset can be regular.
  • a flottlie ⁇ gender or inserted as a catch weft thread is incorporated into the fabric.
  • a weft thread for example, an elastomeric thread may be selected, e.g. for bandages compression zones are to be formed.
  • inelastic thread e.g. Chinille thread as a weft thread when inelastic support zones are to be incorporated in bandages as stabilization zones.
  • the stretch is at least 150% in knitting and across the knitting direction.
  • the extensibility was determined on a Dinema DSC measuring machine version 2 with a load of 20 kg.
  • Preferred embodiments of the knitted fabric reach 300% transverse to the knitting direction and 320% in the direction of knitting.
  • the surface resistivity of the unstretched fabric in the longitudinal and transverse directions is less than 10 ohms.
  • the specific sheet resistance was determined on unstretched 150 ⁇ 150 mm large, flat patterns of the knitted fabric. For this purpose, the respectively opposite edges of the pattern were clamped longitudinally or transversely with the aid of 4 tinned copper blocks of dimension 150 ⁇ 12 ⁇ 5 mm, so that a free width of the textile pattern of 126 mm results.
  • To apply to the surface resistivity of the square Pattern multiply the value obtained by 150/126.
  • a volt voltmeter type VC333 was used.
  • Fig. 1 shows a first embodiment of a knitted fabric
  • Fig. 2 shows a second embodiment of a knitted fabric.
  • the knitted fabric according to FIG. 1 consists of rows of an electrically non-conductive yarn 1, between which rows of an electrically conductive yarn 2 are knitted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

The invention relates to an electrically conductive knitted fabric comprised of stitch rows of an electrically non-conductive ground thread (1), and of stitch rows of an electrically conductive thread (2) placed therebetween. In addition, a number of rows of an electrically non-conductive ground thread can alternate with one or more rows consisting of electrically conductive thread. A connection overlapping the rows consisting of electrically non-conductive thread exists in places between the rows consisting of electrically conductive thread.

Description

Elektrisch biaxial leitfähiges GestrickElectrically biaxially conductive fabric
Beschreibungdescription
Die vorliegende Erfindung betrifft ein elektrisch leitfähiges Gestrick, bestehend aus Maschenreihen eines elektrisch nicht leitfähigen Grundfadens, sowie Ma¬ schenreihen eines zwischen diesen angeordneten elektrisch leitenden Fadens, wo¬ bei sich auch mehrere Reihen elektrisch nicht leitfähigen Grundfadens mit einer oder mehreren Reihen aus elektrisch leitfähigem Faden abwechseln können.The present invention relates to an electrically conductive knitted fabric consisting of courses of an electrically nonconductive base thread, and Ma¬ rows of an electrically conductive thread arranged between them, wo¬ also in several rows of electrically non-conductive ground yarn with one or more rows of electrically conductive thread can alternate.
Ein derartiges Gestrick ist aus der EP-A-O 281 526 bekannt. Aufgabe dieses Gestricks ist die Ableitung elektrostatischer Aufladung, bzw. deren Verteilung über das Gestrick. Auch die EP-A-O 185 480 löst diese Aufgabe, wobei in ein elastisches Gestrick Fäden aus zum Beispiel Metall beschichteten Fasern eingear¬ beitet sind, die mit einem Grundfaden verstrickt sind. Nach einer Ausführung wird ein Gestrick vorgeschlagen, bei dem eine Seite aus einem nicht leitfähigen Faden besteht und die andere Seite aus dem leitfähigen Faden. Elektrisch leitfähi¬ ge Fäden werden jedoch nicht nur zur Ableitung elektrostatischer Aufladung vor¬ geschlagen. Die DE-A- 199 29 077 schlägt zum Beispiel ein Silbergewebe zur Abschirmung elektrischer und hochfrequenter magnetischer Felder vor. In ähnli¬ cher Weise äußert sich die DE-A- 196 48 544. Die US-A-4,653,473 schlägt schließlich die Verarbeitung von Stahlfäden für Kleidungsstücke vor, um sowohl den so genannten Phantomschmerz bei Amputationen zu verringern oder auch zur Linderung von Arthritis beizutragen. Den Phantomschmerz zu bekämpfen ist e- benfalls eine Aufgabe der DE-U-202 08 592, die einen Liner für Stümpfe vor¬ schlägt, in den eine Matrix aus elektrisch leitfähigem Material eingearbeitet ist. Als elektrisch leitfähiges Material wird Silber als Faden oder Beschichtung des Fadens bevorzugt, da es zusätzlich antibakterielle Eigenschaften aufweist. Jedoch ist Silber ein sehr teueres Material, so dass Gestricke rein aus Silberfäden oder mit Silber beschichteten Fäden für breite Anwendungen nicht in Frage kommen. Die Verwendung von Metallfäden, Fäden, die mit Metall beschichtet sind oder Fäden aus nicht leitfähigem Material, die von einem Metallfaden umwickelt sind setzt hinsichtlich der Elastizität dem erhaltenen Gestrick gewisse Grenzen. Auf- gäbe der vorliegenden Erfindung ist es, ein Gestrick zu schaffen, das Fäden aus einem elektrisch leitfähigen Material enthält, das biaxial leitfähig ist, aber auch soweit erwünscht in wenigstens einer Richtung eine große Elastizität aufweist. Aufgabe der vorliegenden Erfindung ist es weiter, ein Gestrick zu schaffen, mit dem eine biaxiale elektrische Leitfähigkeit bei deutlicher Reduzierung des Silber- anteils am Gestrick erreicht werden kann.Such a knit fabric is known from EP-AO 281 526. The task of this knit fabric is the dissipation of electrostatic charge, or their distribution over the fabric. The EP-AO 185 480 solves this problem, wherein in an elastic knit threads of, for example, metal-coated fibers eingear¬ are processed, which are entangled with a basic thread. According to one embodiment, a knit fabric is proposed in which one side consists of a non-conductive thread and the other side of the conductive thread. However, electrically conductive threads are not only beaten to dissipate electrostatic charge. DE-A-199 29 077, for example, proposes a silver fabric for shielding electrical and high-frequency magnetic fields. In a similar manner, DE-A-196 48 544. US-A-4,653,473 finally proposes the processing of steel threads for garments in order to reduce both the so-called phantom pain in amputations or to contribute to the relief of arthritis. The fight against phantom pain is also an object of DE-U-202 08 592, which proposes a liner for stumps, in which a matrix of electrically conductive material is incorporated. As an electrically conductive material, silver is preferred as a thread or coating of the thread, since it additionally has antibacterial properties. However, silver is a very expensive material, so knits made purely of silver filaments or silver-coated filaments are out of the question for wide applications. The use of metal threads, threads which are coated with metal or threads of non-conductive material which are wrapped by a metal thread sets in terms of elasticity of the fabric obtained certain limits. It is an object of the present invention to provide a knitted fabric containing threads of an electrically conductive material which is biaxially conductive but also has a high elasticity in at least one direction as desired. Object of the present invention is further to provide a knitted fabric with which a biaxial electrical conductivity can be achieved with significant reduction of the silver content of the fabric.
Diese Aufgabe wird mit den Merkmalen des kennzeichnenden Teils des An¬ spruchs 1 gelöst. Fortbildungen und vorteilhafte Ausführungen der Erfindung sind in den weiteren Ansprüchen umfasst.This object is achieved by the features of the characterizing part of claim 1. An¬. Training and advantageous embodiments of the invention are included in the further claims.
Erfindungsgemäß ist ein elektrisch leitfähiges Gestrick, bestehend aus Maschen¬ reihen eines elektrisch nicht leitfähigen Grundfadens, sowie Maschenreihen eines zwischen diesen angeordneten elektrisch leitenden Fadens, wobei sich auch meh¬ rere Reihen elektrisch nicht leitfähigen Grundfadens mit einer oder mehreren Rei- hen aus elektrisch leitfähigem Faden abwechseln können, dadurch gekennzei¬ chnet, dass zwischen den Reihen aus elektrisch leitfähigem Faden stellenweise eine die Reihen aus elektrisch nicht leitfähigem Faden übergreifende Verbindung besteht. Als leitfähiger Faden werden bevorzugt metallisierte PA (Polyamid) oder PES (Polyester) Garne oder auch leitfähige Polymere, oder ein mit diesen Garnen umsponnener Elastomerfaden eingesetzt. Wiederum bevorzugt ist aufgrund seiner antibakteriellen Eigenschaften und guten Verstrickbarkeit versilbertes PA. Auch beim nicht leitfähigen Garn wird PA und PES bevorzugt, bzw. mit PA oder PES umsponnener Elastomerfaden.According to the invention, an electrically conductive knitted fabric consisting of rows of stitches of an electrically non-conductive base thread, as well as courses of an electrically conductive thread arranged between them, wherein also meh¬ rere series electrically non-conductive base thread with one or more rows of electrically conductive thread can alternately, characterized gekennzei¬ chnet that in places between the rows of electrically conductive thread is a series of electrically non-conductive thread cross-connection. As a conductive thread preferably metallized PA (polyamide) or PES (polyester) yarns or conductive polymers, or used with these yarns wound elastomeric thread. Again preferred is silver-plated PA because of its antibacterial properties and good entangleability. Also in non-conductive yarn PA and PES is preferred, or with PA or PES wound elastomer thread.
Nach einer Ausführung der Erfindung wird die Verbindung durch übergreifende Maschen der jeweils benachbarten Reihen des elektrisch leitfähigen Fadens über flottliegende Abschnitte des elektrisch nicht leitfähigen Fades erzielt. Nach einer anderen Ausführung der Erfindung erfolgt die Verbindung durch Ü- berbrückung des elektrisch nicht leitfähigen Fadens mit Hilfe von Masche, Fang, Plattierung, Flottung oder Umhängen des elektrisch leitfähigen Fadens.According to one embodiment of the invention, the connection is achieved by overlapping meshes of the respective adjacent rows of electrically conductive thread over flottish sections of the electrically non-conductive fade. According to another embodiment of the invention, the connection is made by Ü bridging the electrically non-conductive thread by means of mesh, catch, plating, float or transfer of the electrically conductive thread.
Nach einer bevorzugten Ausführung der Erfindung sind die Verbindungsstellen im Versatz zueinander angeordnet, wobei der Versatz regelmäßig sein kann. Durch diese Maßnahme wird erreicht, dass sich in Strickrichtung eine weitgehend eben so große Elastizität ergibt, als ob keine übergreifende Verbindungen zwi- sehen den aus elektrisch leitfähigem Material bestehenden Reihen bestehen wür¬ de.According to a preferred embodiment of the invention, the connection points are arranged offset to one another, wherein the offset can be regular. By this measure it is achieved that in the knitting direction results in a largely just as great elasticity, as if there were no cross-connections between the see consisting of electrically conductive material gew¬ de.
Nach einer vorteilhaften Ausführung der Erfindung ist in das Gestrick ein flottlie¬ gender oder als Fang eingelegter Schussfaden eingearbeitet. Als Schussfaden kann zum Beispiel ein elastomerer Faden gewählt werden, wenn z.B. für Bandagen Kompressionszonen gebildet werden sollen. Ein anderes Beispiel ist die Verwen¬ dung von unelastischem Faden, z.B. Chinille-Faden als Schussfaden, wenn bei Bandagen als Stabilisierungszonen unelastische Stützzonen eingearbeitet werden sollen.According to an advantageous embodiment of the invention, a flottlie¬ gender or inserted as a catch weft thread is incorporated into the fabric. As a weft thread, for example, an elastomeric thread may be selected, e.g. for bandages compression zones are to be formed. Another example is the use of inelastic thread, e.g. Chinille thread as a weft thread when inelastic support zones are to be incorporated in bandages as stabilization zones.
Die Dehnbarkeit beträgt in Strick- und quer zur Strickrichtung mindestens 150%. Die Dehnbarkeit wurde auf einer Dinema DSC Messmaschine Version 2 mit einer Belastung von 20 kg ermittelt. Bevorzugte Ausführungen des Gestricks erreichen 300% quer zur Strickrichtung und 320% in Strickrichtung.The stretch is at least 150% in knitting and across the knitting direction. The extensibility was determined on a Dinema DSC measuring machine version 2 with a load of 20 kg. Preferred embodiments of the knitted fabric reach 300% transverse to the knitting direction and 320% in the direction of knitting.
Der spezifische Flächenwiderstand des unverdehnten Gestricks in Längs- und Querrichtung beträgt weniger als 10 Ohm. Der spezifische Flächenwiderstand wurde an unverdehnt 150 x 150 mm großen, flächigen Mustern des Gestricks er¬ mittelt. Dazu wurden die jeweils gegenüberliegenden Ränder des Musters in Längs bzw. Querrichtung mit Hilfe von 4 verzinnten Kupferblöcken der Dimensi¬ on 150 x 12 x 5 mm geklemmt, sodass sich eine freie Breite des Textilmusters von 126 mm ergibt. Um auf den spezifischen Flächenwiderstand des quadratischen Musters rückzurechnen, wird der erhaltene Wert mit 150/126 multipliziert. Zur Messung des Durchgangswiderstandes wurde ein Taschenvoltmeter der Marke Voltcraft, Typ VC333 eingesetzt.The surface resistivity of the unstretched fabric in the longitudinal and transverse directions is less than 10 ohms. The specific sheet resistance was determined on unstretched 150 × 150 mm large, flat patterns of the knitted fabric. For this purpose, the respectively opposite edges of the pattern were clamped longitudinally or transversely with the aid of 4 tinned copper blocks of dimension 150 × 12 × 5 mm, so that a free width of the textile pattern of 126 mm results. To apply to the surface resistivity of the square Pattern, multiply the value obtained by 150/126. To measure the volume resistance, a volt voltmeter type VC333 was used.
Im Folgenden wird die Erfindung anhand von Zeichnungen beispielhaft näher beschrieben. Dabei zeigen:In the following the invention will be described by way of example with reference to drawings. Showing:
Fig. 1 eine erste Ausführung eines Gestricks;Fig. 1 shows a first embodiment of a knitted fabric;
Fig. 2 eine zweite Ausführung eines Gestricks.Fig. 2 shows a second embodiment of a knitted fabric.
Das Gestrick gemäß Fig. 1 besteht aus Reihen eines elektrisch nicht leitfähigen Garns 1 , zwischen denen Reihen eines elektrisch leitfähigen Garns 2 eingestrickt sind. Um eine Verbindung der Maschenreihen des elektrisch leitfähigen Garns 2 herzustellen und so eine biaxiale Leitfähigkeit zu ermöglichen, weisen die Reihen des elektrisch nicht leitfähigen Garns (1) flottliegende Abschnitte 3 auf, über die vergrößerte Maschen 2" des elektrisch leitfähigen Garns 2 greifen und mit der nächsten Reihe des elektrisch leitfähigen Garns 2' verstrickt sind.The knitted fabric according to FIG. 1 consists of rows of an electrically non-conductive yarn 1, between which rows of an electrically conductive yarn 2 are knitted. In order to make a connection of the courses of the electrically conductive yarn 2 and thus to allow a biaxial conductivity, the rows of electrically non-conductive yarn (1) flottane sections 3, over the enlarged mesh 2 "of the electrically conductive yarn 2 engage and with the next row of electrically conductive yarn 2 'are entangled.
Fig. 2 zeigt ein alternatives Gestrick, bei dem die flottliegenden Abschnitte 3 des elektrisch nicht leitfähigen Garns 1 über zwei Maschen geführt sind und entspre¬ chend zwei vergrößerte Maschen 2" des elektrisch leitfähigen Garns bis zur nächsten Reihe elektrisch leitfähigen Garns 2 reichen. Bei dieser Ausführung ist weiter ein flottliegender Schussfaden 4 eingearbeitet. 2 shows an alternative knitted fabric in which the floats 3 of the electrically non-conductive yarn 1 are guided over two stitches and correspondingly extend two enlarged stitches 2 "of the electrically conductive yarn to the next row of electrically conductive yarn 2 Execution is further incorporated a fast-lying weft thread 4.

Claims

Ansprüche claims
1. Elektrisch leitfähiges Gestrick, bestehend aus Maschenreihen eines elektrisch nicht leitfähigen Grundfadens (1), sowie Maschenreihen eines zwischen diesen angeordneten elektrisch leitenden Fadens (2), wobei sich auch mehrere Reihen elektrisch nicht leitfähigen Grundfadens mit einer oder mehreren Reihen aus e- lektrisch leitfähigem Faden abwechseln können, dadurch gekennzeichnet, dass zwischen den Reihen aus elektrisch leitfähigem Faden stellenweise eine die Reihen aus elektrisch nicht leitfähigem Faden übergreifende Verbindung besteht.1. Electrically conductive knitted fabric consisting of courses of an electrically non-conductive base thread (1), and courses of an electrically conductive thread arranged between them (2), wherein also a plurality of rows of electrically non-conductive base thread with one or more rows of e- lektrisch leitfähigem Thread can alternate, characterized in that between the rows of electrically conductive thread in places there is a series of electrically non-conductive thread cross-connection.
2. Gestrick nach Anspruch 1, dadurch gekennzeichnet, dass die Verbindung durch übergreifende Maschen (2") der jeweils benachbarten2. knitted fabric according to claim 1, characterized in that the connection by cross-mesh (2 ") of each adjacent
Reihen des elektrisch leitfähigen Fadens über flottliegende Abschnitte (3) des elektrisch nicht leitfähigen Fades erzielt wird.Rows of the electrically conductive thread is achieved via floating sections (3) of the electrically non-conductive fade.
3. Gestrick nach Anspruch 1, dadurch gekennzeichnet, dass die Verbindung durch Überbrückung des elektrisch nicht leitfähigen Fadens mit Hilfe von Masche, Fang, Plattierung, Flottung oder Umhängen des elektrisch leitfähigen Fadens erfolgt.3. Knitted fabric according to claim 1, characterized in that the connection is made by bridging the electrically non-conductive thread by means of mesh, catch, plating, float or transfer of the electrically conductive thread.
4. Gestrick nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, dass die Verbindungsstellen im Versatz zueinander angeordnet sind. 4. Knitted fabric according to claim 1, 2 or 3, characterized in that the connection points are arranged in offset from one another.
5. Gestrick nach Anspruch 4, dadurch gekennzeichnet, dass der der Versatz regelmäßig angeordnet ist.5. knitted fabric according to claim 4, characterized in that the offset is arranged regularly.
6. Gestrick nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass in das Gestrick ein flottliegender oder als Fang eingelegter Schussfaden (4) eingearbeitet ist.6. Knitted fabric according to one of the preceding claims, characterized in that in the knitted fabric a flothless or inserted as a catch weft thread (4) is incorporated.
7. Gestrick nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Dehnbarkeit in Strick- und quer zur Strickrichtung mindestens 150% be¬ trägt.7. Knitted fabric according to one of the preceding claims, characterized in that the extensibility in knitting and transverse to the knitting direction carries at least 150% be¬.
8. Gestrick nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der spezifische Flächenwiderstand des unverdehnten Gestricks in Längs- und Querrichtung weniger als 10 Ohm beträgt. 8. Knitted fabric according to one of the preceding claims, characterized in that the sheet resistivity of the unstretched knitted fabric in the longitudinal and transverse direction is less than 10 ohms.
EP05771149.1A 2004-07-24 2005-07-21 Knitted fabric that is electrically conductive in a biaxial manner Active EP1771611B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004038636A DE102004038636A1 (en) 2004-07-24 2004-07-24 Electrically biaxially conductive fabric
PCT/DE2005/001279 WO2006010358A1 (en) 2004-07-24 2005-07-21 Knitted fabric that is electrically conductive in a biaxial manner

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EP1771611A1 true EP1771611A1 (en) 2007-04-11
EP1771611B1 EP1771611B1 (en) 2013-09-25

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EP05771149.1A Active EP1771611B1 (en) 2004-07-24 2005-07-21 Knitted fabric that is electrically conductive in a biaxial manner

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US (1) US8476172B2 (en)
EP (1) EP1771611B1 (en)
JP (1) JP4964770B2 (en)
BR (1) BRPI0513547A (en)
DE (2) DE102004038636A1 (en)
EA (1) EA010089B1 (en)
ES (1) ES2440474T3 (en)
UA (1) UA92589C2 (en)
WO (1) WO2006010358A1 (en)

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Also Published As

Publication number Publication date
EA010089B1 (en) 2008-06-30
DE102004038636A1 (en) 2006-02-16
JP4964770B2 (en) 2012-07-04
US8476172B2 (en) 2013-07-02
US20070298666A1 (en) 2007-12-27
BRPI0513547A (en) 2008-05-06
EA200700164A1 (en) 2007-06-29
WO2006010358A1 (en) 2006-02-02
UA92589C2 (en) 2010-11-25
DE112005002409A5 (en) 2007-07-12
JP2008507631A (en) 2008-03-13
EP1771611B1 (en) 2013-09-25
ES2440474T3 (en) 2014-01-29

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