US20050282009A1 - Electrically conductive yarn - Google Patents

Electrically conductive yarn Download PDF

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Publication number
US20050282009A1
US20050282009A1 US11/075,198 US7519805A US2005282009A1 US 20050282009 A1 US20050282009 A1 US 20050282009A1 US 7519805 A US7519805 A US 7519805A US 2005282009 A1 US2005282009 A1 US 2005282009A1
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United States
Prior art keywords
thread
electrically conductive
yarn
core
core thread
Prior art date
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Abandoned
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US11/075,198
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English (en)
Inventor
Robert Nusko
Adi Parzl
Georg Maier
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.)
W Zimmermann GmbH and Co KG
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W Zimmermann GmbH and Co KG
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Filing date
Publication date
Priority claimed from DE2002142785 external-priority patent/DE10242785A1/de
Application filed by W Zimmermann GmbH and Co KG filed Critical W Zimmermann GmbH and Co KG
Assigned to W. ZIMMERMANN GMBH & CO. KG reassignment W. ZIMMERMANN GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MAIER, GEORG, NUSKO, ROBERT, PARZL, ADI
Publication of US20050282009A1 publication Critical patent/US20050282009A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
    • D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
    • 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
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/12—Threads containing metallic filaments or strips
    • 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
    • D02G3/441—Yarns or threads with antistatic, conductive or radiation-shielding properties
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core

Definitions

  • the present invention relates to elastic, electrically conductive yarns, their use and methods for their manufacture.
  • electrically conductive yarns For example, metal wires, wire mesh or metallized yarns have long been incorporated directly in fabrics to dissipate electrostatic charge. These fabrics are often difficult to produce on a loom and, due to the exposed wires, bear little optical resemblance to textiles and/or feel metallic to the touch.
  • staple yarns are known. Essentially, they involve spinning short textile fibers together with short and very fine metal fibers into a yarn. Depending on the metal content, these yarns have more or less textile or metallic properties. Staple yarns with good electrical conductivity exhibit a metallic appearance and surface feel.
  • EP 250 260 describes how also thin wires can be employed in the core of an enwound yarn by enwinding with wire and textile thread, fed in parallel.
  • the central textile thread provides for tensile strength, while the parallel thin wire produces the electrical conductivity of the yarn.
  • such yarns are not particularly extensible.
  • CH 690 686 describes the manufacture of a composite yarn of textile roving and monofilament metal thread.
  • a coated metal wire is added centrally to the roving.
  • the melting coating adheres the central wire to the spun textile sheathing.
  • U.S. Pat. No. 5,881,547 teaches the production of a high-tensile-strength, electrically conducting yarn for employment in fencing wear. These yarns are composed of a non-electrically conductive core thread and a double, crossed wrapping with stainless steel wire. Due to the large diameter of the stainless steel wires used, in the range of 0.6 mm to 1.2 mm, they are very rigid, hardly extensible and by no means elastic.
  • thermoplasts such as nylon, polyester, rayon, acrylic, PEEK, PBS, PBI, polyolefins (PE, PP) and liquid crystal polymers, polycarbonate, polyvinyl alcohol and aramid fibers. None of these materials possesses rubber elastic properties.
  • the preferably multifilament synthetic yarn described in U.S. Pat. No. 5,927,060 can bear elongation by about 5% without a change in the electrical conductivity.
  • the textile core thread employed there possesses no rubber elastic properties whatsoever.
  • the weak wrapping with a mere 200 to 600 turns per meter allows only a little elongation under the given conditions before the sheathing wire breaks.
  • the last-described yarns possess no rubber elastic properties. Even if they can withstand minor elongations in the range of 3% to 5% without loss of electrical conductivity, considerable permanent elongations remain. The last-described yarns also cannot withstand elongations by more than 10% without a break or at least without loss of conductivity.
  • FIG. 1 depicts an electrically conductive yarn.
  • the object of the invention as characterized in the claims is to provide yarns that are electrically conductive, that can be elongated considerably, at least briefly, without loss of conductivity, and that exhibit improved elongation properties.
  • the yarns 1 according to the present invention are made up of at least one elastic core thread 2 , at least one electrically conductive thread 3 that is wound around the core thread, and at least one binding thread 4 that is wound around the core thread 2 .
  • the extensibility of the entire electrically conductive yarn is limited by the binding thread 4 .
  • a thread can comprise a strand, cord, filaments of natural or synthetic material, or multi-strand products such as other yarns.
  • the conductive yarn 1 possesses a number of improved properties.
  • the yarn 1 exhibits elastic properties across a wide range of a tensile load.
  • a tensile overload does not lead to a decrease in the conductivity of a yarn 1 according to the present invention. This is achieved through the limiting of the extensibility of the yarn 1 by the binding thread 4 .
  • By limiting the extensibility through the binding thread 4 it is additionally achieved that the yarn retains its elastic properties across its entire load range.
  • the restoring force of the thread 4 increases disproportionately above a certain tensile load.
  • the reason for this disproportionate rise in the restoring force lies in the binding thread 4 . That is to say, above a certain tensile load, said binding thread can no longer give way to this load by spreading its helical form to a smaller number of turns per unit of length of the core thread 2 , but rather allows a further extension only through an elongation in the longitudinal direction.
  • the transition from an expansion of the helical structure to an effective extension of the binding thread itself in its lengthwise direction leads to a strong rise in the restoring force, preventing a further elongation of the yarn.
  • This disproportionate increase in the restoring force occurs at a tensile load at which the electrically conductive thread has not yet broken.
  • the yarn 1 is thus still conductive.
  • the scope of the extensibility of the binding thread 4 depends primarily on the material properties and the number of turns of the binding thread 4 around the core thread 2 . Greater extensibility is generally achieved through a greater number of turns. In addition, a higher elongation at break of the material leads to increased extensibility.
  • a material's elongation at break is understood to mean the elongation of the material through tensile load until it breaks. It serves to determine the strength of the stressed material. Thus, a material with a high elongation at break can be stretched by a large amount before it breaks.
  • the extensibility of the entire electrically conductive yarn 1 is limited by the binding thread 4 .
  • the core thread 2 , conductive thread 3 and binding thread 4 are expediently coordinated with respect to the material and the number of wraps of conductive thread 3 and binding thread 4 around the core thread 2 .
  • some further parameters known to persons skilled in the art of yarn manufacturing are adjusted. That is to say, the extensibility further depends on the force with which the wrapping of the core thread occurs.
  • the various thread materials exhibit various coefficients of friction, making differing expenditures of force necessary in order to shift the individual threads against each other.
  • the number of turns around the core thread in the resulting yarn is influenced not only by the number of turns actually executed, but also by the degree to which the core thread is pre-drawn. The higher the force with which the core thread is pre-drawn, the more dramatic is the rise in the number of turns present per unit of length of the core thread after alleviation of the load on the core thread.
  • the core thread is composed of a rubber elastic material.
  • rubber elastic material shall be understood to mean that, following deformation of the material and subsequent load alleviation, the original state of the material reappears.
  • energy elasticity steel elasticity
  • rubber elasticity entropy elasticity
  • the elastic core thread exhibits an elongation at break of at least 50%, preferably of at least 100%, particularly preferably of at least 200%.
  • the core thread possesses an elongation at break of at least 300%, especially of at least 400%, and particularly preferably of at least 500%.
  • the elastic core thread(s) is/are responsible for the rubber elastic properties of the entire yarn unit.
  • the market offers a variety of rubber elastic threads from which the material suited to the relevant application can be selected. These include natural and synthetic rubbers, the various types of polyester and polyether elastane, modified polyester, post-cross-linked thermoplasts, etc. Polyester-polyurethane elastomers and/or polyether-polyurethane elastomers are very particularly suited as materials for the rubber elastic core thread.
  • the yarns according to the present invention should, due to the rubber elastic properties of the core thread, recontract to at least almost the original length.
  • the electrically conductive yarn following an elastic elongation by at least 15% in the lengthwise direction, the electrically conductive yarn exhibits a maximum permanent elongation of 5% without loss of its electrical conductivity.
  • the electrically conductive yarn exhibits a maximum permanent elongation of 5% without loss of its electrical conductivity.
  • the core thread can be employed in a form that is suitable for the relevant application. To cite a few variants by way of example: monofilament, multifilament, segmented types and textured types. If required, multiple threads may also be employed in the core in parallel or twisted. Threads of the same kind or of different kinds may be employed side by side.
  • the elastic core of the composite yarn is furnished with at least one electrically conductive wrapping.
  • the elastic core can be wound multiple times with conductive threads. These conductive wrappings can also be applied in differing wrapping directions and, if appropriate, they can be separated from one another by intermediate layers.
  • Metallic wires, wire cords or meshes, conductingly coated synthetic fibers, staple yarns with a metal portion, threads of conductive polymers and conductively filled synthetic fibers are especially suitable as conductive threads.
  • the conductive threads can be employed singly or multiply, from a single grade or mixed.
  • Monofilament metal wires used as conductive threads exhibit a diameter between about 0.01 and 0.1 mm, preferably between 0.02 and 0.06 mm, and particularly preferably between 0.03 and 0.05 mm.
  • coated or lacquered wire types improves the corrosion resistance and washability of the yarns according to the present invention. Not only are such yarns easily washable, but what is more, they even withstand dry-cleaning.
  • multifilament stainless steel yarns are excellently suited for manufacturing the yarns according to the present invention.
  • the thickness of a single stainless steel filament ranges between 0.002 mm and 0.02 mm.
  • the number of individual filaments contained lies between 10 and 200.
  • the yarn comprises a further wrapping.
  • a wrapping can assume various functions. To cite a few by way of example: electrical insulation (outwardly, inwardly or between multiple conductive layers), mechanical abrasion protection, improvement of the working properties of the yarn on fast-running machines, color, luster, appearance, handle, surface feel, protection against overstretching, tensile strength, equalization of the internal torsional stress of the yarn after wrapping in one direction.
  • this further binding thread will not usually be electrically conductive.
  • the present invention also covers binding threads that exhibit electrical conductivity of any magnitude.
  • a yarn construction with inward-lying elastic core, inner wrapping with conductive thread and textile outer wrapping executed in the opposite direction thereto is suitable.
  • the external wrapping is structured such that, in the event of a strong elongation, it is completely stretched before the inward-lying conductive wrapping. In this way, the outer wrapping breakes an elongation before the conductive wrapping is damaged.
  • multifilament yarns As a non-conducting wrapping, multifilament yarns preferably arrange themselves laminarly on the core thread, such that they effect considerably greater surface coverage compared with a monofilament, with the same external diameter.
  • threads can be suitable for the described further wrapping.
  • nylon polyester, rayon, polyamide, linen, wool, silk, cotton, polypropylene, kevlar in its various embodiments, blended yarns of all kinds, and metallized yarns, such as silver-coated nylon.
  • the manufacture of the yarns according to the present invention can occur in various ways.
  • the preferred method is traditional yarn winding.
  • the central elastic thread is drawn on drawing equipment.
  • the drawn elastic core thread is passed through a rotating hollow spindle.
  • On the hollow spindle sits the bobbin with the conductive thread or the binding thread.
  • This thread is carried along by the elastic core thread that is taken up evenly, such that the conductive thread or the binding thread is wound around the core thread in the form of a spiral.
  • the drawn core thread relaxes again after winding, the individual turns lie substantially closer together than during winding.
  • rubber elastic yarns can be produced with high draft, which, under otherwise identical production conditions, leads to considerably tighter turns resulting from the described relaxation of the yarn after winding.
  • elastic yarns can be wound more tightly than non-elastic yarns.
  • the winding of the core thread with a further thread creates internal torsional forces that lead to the yarn in the relaxed state, that is, when unwinding from the bobbin, twisting about itself. Winding two threads around the core thread results in the possibility to eliminate these internal torsional forces. This is referred to as “equilibration” of the yarn. That is to say, if the second thread is wound around the core thread in the opposite direction to the first thread, torsional forces are yielded in opposing directions.
  • the material and number of turns can be coordinated such that the magnitudes of the torsional forces are approximately equal, yielding a resulting torsional force of nearly zero. Consequently, it is ensured that the yarn in the relaxed state twists about itself very little, if at all.
  • the electrically conductive thread and the binding thread are wrapped in opposite directions around the elastic core thread.
  • the electrically conductive thread is wound around the elastic core thread in the S-direction
  • the binding thread is wrapped around the elastic core thread in the Z-direction. It is thus a crosswise wrapping.
  • the present invention also comprises the use of the yarns and fabrics according to the present invention for data transfer and power supply of electrical and electronic components.
  • also comprised is the use of the yarns and fabrics according to the present invention as electrically conducting materials that, similar to a ribbon cable or a local-resolution-activatable two-dimensional matrix, can transport various electrical signals side by side with no appreciable mutual interference.
  • yarns according to the present invention or products produced therefrom can be employed for shielding electromagnetic fields or for dissipating static charges.
  • a use of the yarns according to the present invention as a heating resistor in the context of electrical heating is possible.
  • the present invention also comprises the use of the yarns according to the present invention as electrical heat conductors, and the fabrics produced therewith as elastic, electrically heatable fabrics.
  • the present invention additionally comprises the use of the yarns according to the present invention as a sensor material, preferably as a humidity sensor or strain sensor.
  • An elastic thread of LYCRA® elastane yarn (dtex/type: 1880 dtex, Type T-163C) manufactured by DuPont® is pre-drawn on a yarn winding machine.
  • the elongation at break of the thread is 500%, with a tear strength of 1300 cN. After elongation of 100%, the thread relaxes except for a permanent elongation of 2.4%.
  • the pre-drawn LYCRA® thread is passed through a hollow spindle.
  • This hollow spindle carries a conical yarn spindle from which a 0.04 mm thick, hard silver-plated copper wire is drawn off overend by the LYCRA® thread.
  • Silver/Copper Textile wire with TW-D coating manufactured by Elektro-Feindraht AG may be used.
  • the diameter of this wire including its lacquer coating measures about 0.048 mm.
  • the wire also exhibits an elongation at break of 21.3%.
  • the single-wire-enwound LYCRA® is passed through a second hollow spindle.
  • This hollow spindle carries a commercially available multifilament polyamide (PA) yarn of PA66 with 78 dtex and 34 individual filaments.
  • PA66 multifilament polyamide yarn having a product designation of RN01235 78/34/1S and manufactured by Radicifil S.p.A./Synfil GmbH with elongation at break of 28% may be used.
  • the PA66 yarn is wrapped around the core counter to the wire. The machine parameters are selected such that an equilibrated yarn is created that is as free as possible from internal torsional stress.
  • the outer PA66 yarn is wound around the core 3200 times per meter of yarn; the inner wire is wound around the core 3600 times per meter of yarn.
  • the inward-lying wire is nearly completely covered by the outward-lying PA66 yarn, so that the yarn possesses a textile appearance and surface feel.
  • the yarn possesses excellent electrical conductivity. If elongated by approximately 250%, the restoring force of the yarn becomes disproportionately stronger through complete extension of the PA66 yarn. Only when elongated approximately 300% does the yarn lose its electrical conductivity due to wire break.
  • the elastic, electrically conducting composite yarn in example 1 is employed as the weft thread on a commercially available power loom.
  • the warp beam is composed of 0.3 mm thick, single-twisted cotton threads combined in groups of 8 threads.
  • a firm fabric is created that possesses excellent electrical conductivity in the weft direction, and that does not conduct the electric current in the direction of the warp. These electrical properties are retained even after elongation by more than 120% in the weft direction.
  • the poles of a direct current voltage source are connected, spaced apart in the warp direction, this voltage can be used, at a distance of one meter in the weft direction, to operate an electrical sink, such as a light-emitting diode.
  • the fabric can be stretched in the weft direction with no impact on the power supply of the light-emitting diode.
  • the elastic, electrically conducting composite yarn in example 1 is employed as the weft thread on a commercially available power loom.
  • the warp beam is composed of an electrically conducting but not rubber elastic composite yarn.
  • a commercially available polyester yarn with 100 dtex and 36 individual filaments is furnished with an inner wrapping of 0.041 mm thick, hard silver-plated copper wire and an outer wrapping of commercially available polyamide yarn (PA66) with 78 dtex and 34 individual filaments.
  • PA66 polyamide yarn
  • This fabric When interwoven, a firm fabric is created that possesses excellent electrical conductivity in the weft direction and an electrical conductivity in the direction of the warp thread independent from the one in the weft direction. These electrical properties are retained even after elongation by more than 120% in the weft direction.
  • This fabric which is economical to produce, can, with suitable electronic activation, be employed as a matrix for spatially resolving signal capture, or for operating a spatially resolving output unit, such as a monitor.
  • An elastic thread of LYCRA® 163C by DuPont with 1880 dtex is pre-drawn on a yarn winding machine.
  • the pre-drawn elastic thread is passed through a hollow spindle.
  • This hollow spindle carries a conical yarn spindle from which a conductive thread comprising silver-coated polyamide thread with 30 denier and 18 individual filaments (X-static, Life SRL, I-25015 Desenzano, Italy) is drawn off overend by the elastic thread.
  • X-static® a silver-coated fiber manufactured by Life SRL is used.
  • the elastic, single-enwound with the silver-coated fibers is passed through a second hollow spindle.
  • This hollow spindle carries a commercially available multifilament polyamide yarn of PA66 with 33 dtex and 10 individual filaments.
  • the PA66 yarn is wrapped around the core counter to the silver-coated fibers.
  • the machine parameters are selected such that an equilibrated yarn is created that is as free as possible from internal torsional stress.
  • the outer PA66 yarn is wound around the core 3200 times per meter of yarn; the silver-coated thread is wound around the core 3600 times per meter of yarn.
  • the inward-lying silver-coated thread is not completely covered by the outward-lying PA66 yarn.
  • the yarn possesses excellent electrical conductivity. If elongated by approximately 250%, the restoring force of the yarn becomes disproportionately stronger through the complete extension of the PA66 yarn. Only when elongated approximately 320% do the yarns sheathing the LYCRA® core break.
  • the elastic, electrically conducting composite yarn in example 4 is employed as the weft thread on a commercially available power loom.
  • the warp beam is comprised of an electrically conducting but not rubber elastic composite yarn.
  • a commercially available polyester yarn with 100 dtex and 36 individual filaments is furnished with an inner wrapping of a silver-coated polyamide thread with 30 denier and 18 individual filaments (X-static® by Life SRL) and an external wrapping of commercially available polyamide yarn (PA66) with 33 dtex and 10 individual filaments.
  • a firm fabric When interwoven, a firm fabric is created that possesses excellent electrical conductivity. Due to the non-complete insulation of the silver-coated wrappings in both the warp and the weft thread, all electrically conducting yarns in the fabric are in electrical contact with one another. This direction-independent electrical conductivity is retained even after elongation by more than 100% in the weft direction. Such a fabric possesses excellent shielding properties against electromagnetic radiation, especially in the range of 1 to 2000 MHz.
  • the elastic, electrically conducting composite thread in example 1 is employed as the warp thread on a commercially available ribbon weaver.
  • the warp beam is alternately composed of sequences of 8 identical threads each. The alternation occurs between bundles of eight of the yarns described in example 1 and yarns without a conductive portion.
  • the threads without a conductive portion correspond largely completely to the yarns described in example 1 except for the fact that, instead of the wire, a multifilament polyamide yarn of PA66 with 78 dtex and 34 individual filaments is employed.
  • a commercially available multifilament polyamide yarn is employed as the weft thread.
  • the elastic ribbon manufactured in this way possesses coexisting conducting ribbons that are electrically insulated from one another.
  • a flat elastic cable described in this example is outstandingly suited to connecting electrical and electronic components in clothing.
  • the ribbon can be extended in the warp direction without loss of electrical conductivity.
  • the ribbon is not sensitive to the creases and folds that occur when clothing is worn.
  • the elastic, in weft direction electrically conducting fabric in example 2 is electrically contacted in the weft direction by means of commercially available flat cable connectors at a width of 1.1 cm and a length of 50 cm. After a direct current voltage is applied, electric current flows. Midway between the connection points, the temperature increase resulting from the current flow is determined by means of an NTC resistance. At a heat output of 5 W (1.4 A at 3.6 V), the temperature increase achieved measures 30° C. At a heat flow of 13 W (2 A at 6.5 V), the temperature increase measures 64.5° C.
  • the extensibility and the textile surface feel of the fabric makes it highly suitable for manufacturing elastic, electrically heatable textiles that come into direct contact with the body.
  • Examples of applications include socks, joint warmers, back warmers, gloves, elastic bandages, etc.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Woven Fabrics (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Resistance Heating (AREA)
  • Non-Insulated Conductors (AREA)
  • Multicomponent Fibers (AREA)
  • Conductive Materials (AREA)
  • Insulated Conductors (AREA)
US11/075,198 2002-09-14 2005-03-07 Electrically conductive yarn Abandoned US20050282009A1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DEDE10242785.2 2002-09-14
DE2002142785 DE10242785A1 (de) 2002-09-14 2002-09-14 Elektrisch leitfähiges Garn
DE10305872 2003-02-13
DEDE10305872.9 2003-02-13
PCT/DE2003/003059 WO2004027132A1 (de) 2002-09-14 2003-09-15 Elektrisch leitfähiges
WOPCT/DE03/03059 2003-09-15

Publications (1)

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US20050282009A1 true US20050282009A1 (en) 2005-12-22

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US11/075,198 Abandoned US20050282009A1 (en) 2002-09-14 2005-03-07 Electrically conductive yarn

Country Status (11)

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US (1) US20050282009A1 (de)
EP (1) EP1537264B1 (de)
JP (1) JP2005538270A (de)
CN (1) CN100523341C (de)
AT (1) ATE326563T1 (de)
AU (1) AU2003299049A1 (de)
CA (1) CA2493145C (de)
DE (2) DE10342787A1 (de)
ES (1) ES2264771T3 (de)
PT (1) PT1537264E (de)
WO (1) WO2004027132A1 (de)

Cited By (43)

* Cited by examiner, † Cited by third party
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US20060057415A1 (en) * 2002-05-13 2006-03-16 Douglas Watson Electrically conductive yarn
US20060216505A1 (en) * 2005-03-25 2006-09-28 Cristian Scotuzzi Binding thread for binding packages of pressed waste materials
US20060281382A1 (en) * 2005-06-10 2006-12-14 Eleni Karayianni Surface functional electro-textile with functionality modulation capability, methods for making the same, and applications incorporating the same
US20070042179A1 (en) * 2005-08-16 2007-02-22 Eleni Karayianni Energy active composite yarn, methods for making the same, and articles incorporating the same
US20070054037A1 (en) * 2003-04-25 2007-03-08 Eleni Karayianni Electrically conductive elastic composite yarn, methods for making the same, and articles incorporating the same
US20070059524A1 (en) * 2005-08-31 2007-03-15 Kufner Textilwerke Gmbh Electrically conductive, elastically stretchable hybrid yarn, method for manufacture thereof and textile product with a hybrid yarn of this kind
KR100729676B1 (ko) 2006-02-17 2007-06-18 한국생산기술연구원 금속 필라멘트를 이용한 정보통신용 디지털사의 제조방법,제조장치 및 이에 의하여 제조된 디지털사
WO2008098386A1 (de) * 2007-02-12 2008-08-21 Textilma Ag Elektrisch leitender, elastischer compoundfaden, insbesondere für rfid- textiletiketten, sowie seine verwendung und das herstellen eines gewebes, gewirkes oder geflechts damit
US20080224934A1 (en) * 2005-07-06 2008-09-18 Nederlandse Oraganisatie Voor Toegepastnatuurweten Schappelijk Onderzoek Tn Tight-Fitting Garment Including a Sensor for Measuring Length and/or Shape
US20080307899A1 (en) * 2005-11-23 2008-12-18 Alpha-Fit=Gmbh Pressure Sensor
US20090050362A1 (en) * 2007-07-16 2009-02-26 Micrometal Technologies, Inc. Electrical shielding material composed of metalized stainless steel monofilament yarn
US20090071196A1 (en) * 2004-11-15 2009-03-19 Textronics, Inc. Elastic composite yarn, methods for making the same, and articles incorporating the same
US20090139601A1 (en) * 2004-11-15 2009-06-04 Textronics, Inc. Functional elastic composite yarn, methods for making the same and articles incorporating the same
US20090193906A1 (en) * 2006-04-28 2009-08-06 Patrick Hook Composite fibre and related detection system
US20100084179A1 (en) * 2006-03-29 2010-04-08 David Harris Protective sleeve fabricated with hybrid yard, hybrid yarn, and methods of construction thereof
US20100105992A1 (en) * 2008-10-24 2010-04-29 The Ritsumeikan Trust Pressure-sensitive conductive yarn and biological information-measuring garment
US20110074380A1 (en) * 2008-05-28 2011-03-31 Silveray Co., Ltd. Electric conduction pad and manufacturing method thereof
US20110140723A1 (en) * 2009-12-10 2011-06-16 Electronics And Telecommunications Research Institute Seating sensing device and method of the same
CN102644137A (zh) * 2011-02-21 2012-08-22 李查启学 一种导电纱线及其运用导电纱线的布匹结构
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CN1671901A (zh) 2005-09-21
CA2493145A1 (en) 2004-04-01
CA2493145C (en) 2009-04-07
CN100523341C (zh) 2009-08-05
PT1537264E (pt) 2006-09-29
EP1537264A1 (de) 2005-06-08
WO2004027132A1 (de) 2004-04-01
ATE326563T1 (de) 2006-06-15
EP1537264B1 (de) 2006-05-17
DE10342787A1 (de) 2004-05-13
AU2003299049A1 (en) 2004-04-08
ES2264771T3 (es) 2007-01-16
DE50303383D1 (de) 2006-06-22

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