EP0816543B1 - Fil conducteur, méthode pour sa fabrication et son utilisation - Google Patents

Fil conducteur, méthode pour sa fabrication et son utilisation Download PDF

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Publication number
EP0816543B1
EP0816543B1 EP97810374A EP97810374A EP0816543B1 EP 0816543 B1 EP0816543 B1 EP 0816543B1 EP 97810374 A EP97810374 A EP 97810374A EP 97810374 A EP97810374 A EP 97810374A EP 0816543 B1 EP0816543 B1 EP 0816543B1
Authority
EP
European Patent Office
Prior art keywords
metal thread
composite yarn
electrically conducting
textile
spinning
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.)
Expired - Lifetime
Application number
EP97810374A
Other languages
German (de)
English (en)
Other versions
EP0816543A3 (fr
EP0816543A2 (fr
Inventor
Fritz Blum
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.)
Spoerry and Co AG
Original Assignee
Spoerry and Co AG
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 Spoerry and Co AG filed Critical Spoerry and Co AG
Publication of EP0816543A2 publication Critical patent/EP0816543A2/fr
Publication of EP0816543A3 publication Critical patent/EP0816543A3/fr
Application granted granted Critical
Publication of EP0816543B1 publication Critical patent/EP0816543B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D02G3/02—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
    • 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.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3382—Including a free metal or alloy constituent

Definitions

  • the invention relates to a method for producing a electrically conductive composite yarn according to the preamble of independent patent claim.
  • the invention also relates to this the electrically conductive yarn produced by the process itself and its use.
  • One method of manufacturing such a composite yarn is known for example from W093 / 24689. It's about a Composite yarn made of textile fibers of the same or different Kind, which with a metal wire from annealed, silver-plated or gold-plated copper or from annealed, stainless steel, with a diameter between 0.008 and 0.05 mm is. After twisting the composite yarn is the Metal wire essentially in the axial longitudinal direction between the mutual contact zones of the individual textile threads.
  • the metal wire remains approximately stretched within the Composite. This is the bond between the partial yarns and the wire is not always sufficient and there is a risk that the composite yarn is separated again during further processing becomes.
  • EP-A-0 250 260 describes the use of a metal-containing one Composite yarns for shields are known, the composite yarn consists of a core and a cladding. It includes metallic and non-metallic fibers, the core in essentially a continuous metallic filament, reinforced with non-metallic filament or yarn and the wrapping is a non-metallic filament or yarn contains which is wound around the core and at least 70% makes up the outer surface of the composite yarn, which is not metallic fibers made of chemical or synthetic fibers or natural fibers are formed. This is also here Composite yarn was created by twisting and shows its advantages and disadvantages.
  • No. 3,987,613 describes a method for producing a Composite yarns, actually better known as blended yarn, specified, which in contrast to the previous, not is created by twisting.
  • blended yarn There are short copper fibers with a Diameter of 0.025 mm and a length of about 40 mm in front of the Yarn production mixed with textile fibers and then spun together into a yarn.
  • the spun blended yarn contains between 0.25 and 15 weight percent metallic Fibers. So that such a spun mixed yarn electrically it should become a significantly higher proportion Contain metal fibers so that they are in the yarn itself have enough contact with each other. This is metal fibers are naturally distributed over the entire yarn cross-section. Because they are also present on the yarn surface, they cause considerable with spinning itself and with every further processing Wear at the respective processing facilities and Machines and further processing are problematic.
  • the object of the invention is a composite yarn with a electrically conductive and a textile portion, in particular To create cotton, which does not have the disadvantages mentioned has more, a good bond of electrically conductive Material and textile fibers guaranteed and good to textile Flat structures such as fabrics and knitted fabrics can be processed further is. It is particularly important that the electrically conductive Share if possible in processing and further processing little damage and wear and tear to the machines is mechanically pre-stressed as little as possible.
  • Another object of the invention is yarn on the one hand itself and on the other hand the special use of the yarn for textile fabrics for shielding, derivation and Prevention of electrical fields and their influences.
  • the metal thread and the fuse together to form a composite yarn spun therefore always remains approximate centered in the middle of the yarn. Is extremely important taking the metal thread under during the spinning process approximately constant minimum tension, or at least is kept almost without tension.
  • the Ring spinning machine with the necessary tensile force sensors and Servo drives and brakes and the ring / rotor Combination must be the combination of materials, the surfaces corresponding to these materials and the spinning speed be adjusted. This makes it possible for the monofilament Metal thread is hardly twisted even during the spinning process.
  • the so spun Composite yarn therefore has an almost rotation-free, metallic, endless core.
  • textile fibers can basically all natural and synthetic fibers are used. However, certain fibers guarantee a less good one Binding with the metal thread.
  • Very suitable for such a Composite yarns are, for example, cotton fibers.
  • electric Conductive monofilament metal thread is preferably a thread made of copper or silver or made of copper or silver containing alloys used. However, too certain alloys of steel or light metal possible.
  • the Metal thread has a diameter of about 10 to 30 microns. So far, very good results have been obtained with a metal thread Diameter of 20 to 25 microns reached.
  • the metal thread With such a yarn, the metal thread only has to ensure electrical conductivity. He has no load-bearing function and must be as flexible, bendable and be light. The flexibility needs for further processing at least approximately that of a normal yarn correspond so that the spun thread is also woven or can be entangled. Therefore, the metal thread becomes so thin and as easy as possible. This entirely represents other requirements for the spinning process, especially for the Feeding the metal thread and the traction control.
  • the Metal thread on the straightest and shortest possible path of Spinning station is fed.
  • the metal thread is at least almost without preload and with as little rotation of the Spinning station fed. It becomes either tangential or with small thread balloon in a conventional way from a spool deducted.
  • use Advantage of the metal thread rectilinear from the bobbin Spinning station is guided by this when unwinding the spool is moved back and forth according to the winding. An even better way results in a deduction from the interior a coreless coil. Since the trigger is without any preload if possible a thread brake can be dispensed with.
  • the fuse must be good and homogeneous be stretched out and the cotton fibers must be as possible have uniform fiber length.
  • the binding of metal thread and textile fibers is additional improved by coating the metal thread. That takes place usually with a varnish.
  • the paint on the one hand Towards the brittleness of the metal thread and at the same time increases the Surface adhesion and thus the quality of the bond in the Compound of metal thread and textile fibers. With that is just solved another problem. Namely the problem of the danger of Catalytic damage in the composite yarn itself and through it caused on machine elements. Coating the Metalfladen also helps oxidation and catalytic damage prevent or at least reduce the dangers.
  • the composite yarn in the area behind the Spinning point of the ring spinning machine are briefly heated.
  • the coating of the metal thread temporarily softens. This makes the contact and liability between this and the textile fibers more intimate because of the surface of the coating can adapt somewhat to the shape of the textile fibers and a kind of form fit can be achieved.
  • the heated paint of the coating becomes slightly sticky, which further improves the bond.
  • the production is a composite yarn with a electrically conductive metallic and a textile part shown schematically.
  • An electrically conductive monofiler Metal thread 11 is as straight and short as possible actual spinning station 1 fed to a ring spinning machine.
  • a fuse made of textile fibers 12 becomes multiple pre-stretched by means of stretchers 21, over a Feed unit 2 also the spinning station 1 of the Ring spinning machine fed.
  • the metal thread 11 becomes approximately fed directly to the spinning station 1 without traction. This can be done by the feed 4 with appropriate tensile force sensors and Servo unit monitored and readjusted if necessary.
  • the textile fibers of the are now in the ring spinning machine Fuse 12 with a soul consisting of the coated Metal thread 11 spun into a composite yarn 13.
  • a deduction 3 ensures that the composite yarn 13 and simultaneously with the tensile force control for the composite yarn his soul from the monofilament metal thread 11. Here too it is it is important that the tensile force remains low when pulling the yarn up to and with the subsequent winding, so that the Metal thread is mechanically stressed as little as possible.
  • Figure 2 is a cross section through a spun Composite yarn shown. It consists of the soul 111 of the Metal thread 11 which has a thin coating 112 all around having. Around the metal thread 11 are the textile Proportion of spun composite yarn.
  • Composite yarn can be processed very well. It is suitable approximate particularly to the manufacture of fabrics of any kind. It can also be processed into a knitted fabric become. As a fabric or as a knitted fabric, it is preferred Used where electrostatic or electrodynamic Fields should be shielded or even derived. It can be used, for example, to build Farraday cages or shielded and grounded areas or rooms. For example, you can use a thin fabric or knitted fabric from such yarn or even individual composite skeins work into a wallpaper. Likewise, a textile or paper wallpaper from such a fabric or knitted fabric manufacture, because this can even be colored or be printed. Another use is the incorporation in or application of such yarns, fabrics or Knitted on or in thermal or acoustic insulation boards. This Wallpaper or insulation boards can therefore also be used on underground lines connect and expand the area of application for them.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Inorganic Fibers (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Woven Fabrics (AREA)
  • Insulated Conductors (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
  • Conductive Materials (AREA)

Claims (14)

  1. Procédé pour la fabrication d'un fil composite (13) électroconducteur comprenant une partie métallique électroconductrice et une partie textile, caractérisé en ce que la partie textile en tant que mèche à base de fibres (12) textiles est amenée sur le côté et simultanément un film métallique (11) continu, électroconducteur, revêtu et monofilaire est amené dans le cadre d'un processus de filage directement au centre de la tête à filer (1) d'un métier continu à filer, où le fil métallique (11) monofilaire et électroconducteur est filé au moins approximativement sans force de traction avec les fibres (12) textiles d'une mèche amenée avec un étirement multiple à la tête à filer (1) pour obtenir un fil composite unique, qui est amené ensuite par un dévideur au traitement ultérieur.
  2. Procédé selon la revendication 1, caractérisé en ce que le fil métallique (11) électroconducteur est dévidé pendant le filage au moins approximativement sans rotation d'une bobine et est amené à la tête à filer (1).
  3. Procédé selon la revendication 2, caractérisé en ce que le fil métallique (11) monofilaire est dévidé de façon tangentielle d'une bobine.
  4. Procédé selon la revendication 3, caractérisé en ce que le fil métallique (11) dévidé de façon tangentielle de la bobine est amené en ligne droite à la tête à filer (1) en faisant un mouvement de va-et-vient sur le côté avec la bobine lors du déroulement.
  5. Procédé selon la revendication 2, caractérisé en ce que le fil métallique (11) monofilaire est dévidé de la zone intérieure d'une bobine sans noyau.
  6. Procédé selon la revendication 1, caractérisé en ce que le fil composite (13) est réchauffé pendant une courte durée dans la zone consécutive à la tête à filer (1), le revêtement (112) du fil métallique étant ramolli.
  7. Fil composite fabriqué selon le procédé défini selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le fil métallique monofilaire et électroconducteur est un fil de cuivre (111, 112) recouvert.
  8. Fil composite fabriqué selon le procédé défini selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le fil métallique (11) monofilaire et électroconducteur contient de l'argent.
  9. Fil composite fabriqué selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le fil métallique (11) monofilaire et électroconducteur a un diamètre d'au moins 10 µm et au maximum 50 µm.
  10. Fil composite fabriqué selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les fils (12) textiles contiennent du coton.
  11. Utilisation d'un fil composite selon l'une quelconque des revendications 7 à 10, caractérisé en ce qu'il est tissé pour faire un tissu.
  12. Utilisation d'un fil composite selon l'une quelconque des revendications 7 à 10, caractérisé en ce qu'il est travaillé pour faire un tricot.
  13. Utilisation d'un fil composite selon la revendication 11 ou 12, caractérisé en ce que le tissu ou le tricot est intégré dans un papier de tapisserie ou appliqué dessus.
  14. Utilisation d'un fil composite selon la revendication 11 ou 12, caractérisé en ce que le tissu ou le tricot est appliqué sur un panneau calorifuge à base de plastique moussé ou de fibres minérales ou est intégré à l'intérieur.
EP97810374A 1996-07-01 1997-06-13 Fil conducteur, méthode pour sa fabrication et son utilisation Expired - Lifetime EP0816543B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH163896 1996-07-01
CH01638/96A CH690686A5 (de) 1996-07-01 1996-07-01 Verfahren zur Herstellung eines elektrisch leitenden Garnes, elektrisch leitendes Garn und Verwendung des elektrisch leitenden Garnes.
CH1638/96 1996-07-01

Publications (3)

Publication Number Publication Date
EP0816543A2 EP0816543A2 (fr) 1998-01-07
EP0816543A3 EP0816543A3 (fr) 1999-01-13
EP0816543B1 true EP0816543B1 (fr) 2002-02-13

Family

ID=4215147

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97810374A Expired - Lifetime EP0816543B1 (fr) 1996-07-01 1997-06-13 Fil conducteur, méthode pour sa fabrication et son utilisation

Country Status (10)

Country Link
US (1) US6032450A (fr)
EP (1) EP0816543B1 (fr)
JP (1) JP3970387B2 (fr)
KR (1) KR100479499B1 (fr)
AT (1) ATE213287T1 (fr)
CH (1) CH690686A5 (fr)
DE (1) DE59706360D1 (fr)
ES (1) ES2169341T3 (fr)
PT (1) PT816543E (fr)
TR (1) TR199700564A3 (fr)

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DE4200421A1 (de) * 1992-01-10 1993-07-15 Vogtlaendisches Kabelwerk Gmbh Verfahren und vorrichtung zur herstellung endloser knotenfreier technischer und leonischer gespinste
IT1260314B (it) * 1992-06-02 1996-04-05 Filati in fibra tessile accoppiati a filo metallico e sistema di produzione.
IT1262199B (it) * 1993-09-17 1996-06-19 Ind Tessili Avianesi I T A Spa Procedimento per la produzione di un filo composto costituito da filo tessile e filo metallico e filo composto cosi' ottenuto
KR0143432B1 (ko) * 1996-01-10 1998-07-15 이영근 카퍼사

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009052929A1 (de) 2009-11-12 2011-05-19 Kunert Fashion Gmbh & Co. Kg Strickware mit Feuchtigkeitssensor
EP2325360A1 (fr) 2009-11-12 2011-05-25 KUNERT Fashion GmbH & Co. KG Produit tricoté doté d'un capteur d'humidité

Also Published As

Publication number Publication date
DE59706360D1 (de) 2002-03-21
TR199700564A2 (xx) 1998-01-21
ATE213287T1 (de) 2002-02-15
CH690686A5 (de) 2000-12-15
TR199700564A3 (tr) 1998-01-21
US6032450A (en) 2000-03-07
PT816543E (pt) 2002-07-31
EP0816543A3 (fr) 1999-01-13
ES2169341T3 (es) 2002-07-01
JP3970387B2 (ja) 2007-09-05
KR980009564A (ko) 1998-04-30
KR100479499B1 (ko) 2005-07-28
EP0816543A2 (fr) 1998-01-07
JPH1072734A (ja) 1998-03-17

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