CN100523341C - Electrically conductive thread - Google Patents
Electrically conductive thread Download PDFInfo
- Publication number
- CN100523341C CN100523341C CNB038182440A CN03818244A CN100523341C CN 100523341 C CN100523341 C CN 100523341C CN B038182440 A CNB038182440 A CN B038182440A CN 03818244 A CN03818244 A CN 03818244A CN 100523341 C CN100523341 C CN 100523341C
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- China
- Prior art keywords
- yarn
- conductive
- conductive yarn
- core wire
- elastic core
- 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 - Fee Related
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Classifications
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—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
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/12—Threads containing metallic filaments or strips
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/441—Yarns or threads with antistatic, conductive or radiation-shielding properties
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- 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
Abstract
The invention relates to electrically conductive thread. Said thread comprises at least one elastic core thread, at least one electrically conductive thread that is wound around the core thread and at least one binding thread that is wound around the core thread and is non-electrically conductive. The extensibility of the entire electrically conductive thread is restricted by the binding thread.
Description
Invention field
The present invention relates to the elastic conduction yarn, their application and manufacture method.
Background technology
The known a variety of method that is used to make conductive yarn.For example, wire, silk screen or metallized yarn are directly sneaked in the fabric chronically to eliminate electrostatic charge.These fabrics are difficult on the loom usually and produce, and because exposed wire, and it is similar and/or have a metal feel to cause itself and textiles to have seldom vision.
In addition, the method for preparing so-called short fibre yarn is known.In fact, they comprise short textile fabric with weak point and superfine metal fibre spun yarn.According to tenor, these yarns have textiles or metalline more or less.Short fibre yarn with good electrical conductivity presents metallicity outward appearance and surperficial feel.
The method that the wire that the center has is single by textiles or double joint twines also is known.Because be that wire determines these yarn tensile strength basically, use the relatively thick wire of diameter usually greater than 0.1mm.This yarn is harder so can not be used for textiles.
How the fine wire that EP 250260 has described parallel feeding is used in by what wire and weaving silk thread twined is wound the yarn core.In this was arranged, the weaving silk thread at center provided tensile strength, and parallel fine wire provides the electric conductivity of yarn.Yet this yarn can not significantly extend.
CH 690686 has described the preparation of weaving rove and metal monofilament cladded yarn.In the spinning process on ring spinner, coated wire is added into the center of rove.In the ensuing heat treatment of spinning process, fusion coating makes the central metal silk be attached to the epitheca of the textiles that is spun into.These yarns can not show good extensibility.
Because the fracture and the plastic deformation of conductive yarn, above-mentioned yarn all can not have certain elastic elongation under the situation of not losing electric conductivity.
The specification of US 4776160, US 5881547 and US 5927060 has all been described the yarn that conductive yarn wherein twines around centrally disposed weaving silk thread.This arrangement has promoted certain elongation of whole yarn in principle and can not cause the breakage of yarn or conductive package (wrapping).
US 5881547 has instructed the product of the high-tensile conductive yarn that is used for fencing clothes.These yarns are made up of the stainless steel wire packing of non-conductive heart yearn and two intersections.Since used stainless steel wire than major diameter be 0.6mm to 1.2mm, so they are stone, extending hardly and do not have any elasticity.
US 4776160 and US 5927060 have put down in writing the conductive yarn of good textiles character of application flexible extending heart yearn has to(for) manufacturing.US 4776160 has put down in writing the material as heart yearn, thermoplastic such as nylon, polyester, artificial silk, acrylic fiber, PEEK, PBS, PBI, polyolefin (PE, PP) and liquid crystal polymer, Merlon, polyvinyl alcohol and aramid fibre.These materials do not have caoutchouc elasticity.
The preferred multifilament synthetic fiber of describing among the US 5927060 can bear about 5% elongation under the situation that does not change electric conductivity.In no case has caoutchouc elasticity at this used textiles heart yearn.In addition, only allow less elongation under the short-life specified criteria that is packaged in before the wire fracture of sheath portion that only has every meter 200 to 600 turn.
Last described yarn does not have caoutchouc elasticity yet.Although they can stand 3% to 5% less elongation under the situation of not losing electric conductivity, can residual sizable permanent elongation.Last described yarn does not rupture or does not lose at least and can not stand to surpass 10% elongation under the situation of electric conductivity.
Therefore, except electric conductivity, require it to show high elasticity and improved extensibility for yarn always.
Summary of the invention
Following is to application of the present invention.The purpose of this invention is to provide conductive yarn, this yarn can be the bigger elongation of transience under the situation of not losing electric conductivity at least, and shows the extensibility of raising.
This purpose of the present invention realizes by the yarn according to first aspect present invention.According to specification and embodiment, the details that the present invention is useful, aspect and embodiment are tangible in addition.
Yarn of the present invention is made up of at least one elastic core wire, at least one conductive thread and at least one binding wire that twines heart yearn that twines heart yearn.The extensibility of whole conductive yarn is subjected to the restriction of binding wire.
This conductive yarn has a large amount of improved character.This yarn shows can cross over the elasticity of tensile load on a large scale.Opposite with conductive yarn known in the background technology, the overload of tension force can not reduce the electric conductivity of yarn of the present invention.This is by being realized by the extensibility of binding wire restriction yarn.By limiting extensibility, can make this yarn in its whole load range, keep its elasticity extraly with binding wire.
According to preferred implementation of the present invention, the restoring force of silk thread unevenly increases and has exceeded fixedly tensile load.The reason of the unbalanced increase of restoring force is binding wire.That is to say, exceeded fixedly tensile load, the returning number and can not surrender this load again of the spiralization per unit heart yearn length lesser amt of described binding wire by launching it, and only produced further stretching by elongation longitudinally.The expansion transformation of helical structure can cause this effective stretching in its length direction of binding wire, and the strong increase that this has caused restoring force has hindered the further elongation of yarn.The tensile load that the unbalanced increase of this restoring force appears at conductive thread when also not rupturing.This yarn thereby remain conduction.
The scope of binding wire extensibility at first depends on material character and the binding wire number that returns around heart yearn.Bigger extensibility obtains by the bigger number that returns usually.In addition, the higher extension at break of material has caused the increase of extensibility.
The extension at break of material is understood that to make by tensile load the average elongation of this material of material when rupturing.It uses the intensity that decides stressed material.Thereby the material with high extension at break can be stretched before its fracture on a large scale.
According to the present invention, the extensibility of whole conductive yarn is subjected to the restriction of binding wire.In order to satisfy this characteristic, heart yearn, conductive thread and binding wire carry out suitable adjustment with regard to the conductive thread of material and winding heart yearn and the quantity of binding wire packing.In addition, advantageously, it is adjustable that some yarns are made other known parameter of those skilled in the art.That is to say that extensibility further depends on the power that heart yearn produced of twining.And different silk thread materials present different coefficient of frictions, and this makes indivedual silk threads move the power difference of the essential consumption of institute mutually.
For the technical staff in yarn manufacturing field, this selection is no problem.For selecting suitable material and Fabrication parameter, those skilled in the art provide certain heart yearn usually, wrap up it with fine wire, determine binding wire then, so that this yarn obtains the character of regulation.
Must be appreciated that the number that returns that twines heart yearn in the yarn that is synthesized not only is subjected to the actual influence of finishing of returning number, also is subjected to the influence of heart yearn predraft degree.The brute force of heart yearn predraft is high more, and after alleviating the load of heart yearn, increase surprising more counted in returning of per unit length heart yearn.
According to preferred implementation of the present invention, heart yearn is made up of rubber elastic material.Term " rubber elastic material " is interpreted as after material deformation and load subsequently alleviate, and this material returns to reset condition again.According to DIN 7724 (in February, 1972), two kinds of elasticity are arranged, i.e. energy elasticity (steel bomb) and entropic elasticity (caoutchouc elasticity).
According to preferred implementation of the present invention, elastic core wire presents at least 50% extension at break, and preferably at least 100%, especially preferably at least 200%.Preferred more especially, this heart yearn has at least 300% extension at break, and especially at least 400%, especially preferably at least 500%.
Elastomer yarn is that whole yarn unit has the reason of caoutchouc elasticity.Multiple caoutchouc elasticity silk thread is provided on the market, therefrom can have selected to be fit to the material of related application.These materials comprise natural and synthetic rubber, different types of polyester and polyether elastic material, modified poly ester, crosslinked thermoplastic etc.Polyester-polyurethane elastomer and/or polyethers-polyurethane elastomer are especially suitable for use as the material that is used for the caoutchouc elasticity heart yearn.
After the elongation, because the caoutchouc elasticity of heart yearn, yarn of the present invention shortens at least and the much the same length of original length again.According to preferred implementation of the present invention, after longitudinal elasticity elongation at least 15%, conductive yarn presents 5% maximum permanent elongation under the situation of not losing its electric conductivity.Preferred especially, after longitudinal elasticity elongation at least 30%, conductive yarn presents 5% maximum permanent elongation under the situation of not losing its electric conductivity.
This heart yearn can be fit to the shape of related application to be used.Quote some variants as example: monofilament, multifilament, sectional type and deformation type.If desired, compound (1) silk thread also can be parallel or twisted be used in core.Silk thread of the same race or not of the same race can use abreast.
The flexible core of this cladded yarn of finishing has at least one conductive package.This flexible core can repeatedly be twined with conductive thread.Can also apply these conductive packages with different winding directions, if suitably, they can be separated from one another by the intermediate layer.
Short fibre yarn, conducting polymer silk thread and conductive fill synthetic fiber that wire, silk rope or silk screen, conduction apply synthetic fiber, have a metal part especially are suitable as conductive thread.The conductive thread of this single-grade or mixing can independent or compound use.The diameter that is used as the metal monofilament of conductive thread is 0.01-0.1mm, preferred 0.02-0.06mm, preferred especially 0.03-0.05mm.
Although in principle, can be suitable as conductive thread by additional many metals and the alloy that applies, because technology and economic factor are especially preferably used copper wire, silver-gilt copper wire and stainless steel wire.The use of coating or japanning metalloid silk has improved the corrosion resistance and the washability of yarn of the present invention.This yarn not only can easily wash, and they in addition can stand dry-cleaning.
Except the metal monofilament, multifilament stainless steel yarn is particularly suitable for making yarn of the present invention.The thickness of single stainless steel wire is 0.002mm-0.02mm.The quantity of contained monofilament is 10 to 200.
The silver-plated synthetic threads that is used for the conductive package of flexible core can be used on many application.Washable, silver-plated nylon yarn is particularly suitable for making yarn of the present invention.Monofilament and polyfilament yarn are provided on the market.Under situation with same yarn linear diameter, compare with monfil, with polyfilament yarn as packing the core surface coverage rate that can reach higher.
Except conductive package, this yarn comprises other packing.This packing can have various functions.Quote some as example: the improved working properties of yarn on electric insulation (outside, inner or middle multilayer conductive layer), mechanical abrasion protection, the fast turn-around machine, color, gloss, outward appearance, feel, surperficial feel, overstretching protection, tensile strength, twine the equilibrium of the inner torsional stress of back yarn with a direction.Should be understood that other binding wire is normally nonconducting.But the present invention has also covered the binding wire that presents any grade electric conductivity.
For many application, have the inner elastomeric core, contain the interior packing of conductive thread and the yarn texture of the textiles outer packaging that twines in the opposite direction is fit to.Stretch if hale, then will construct outer packaging, it stretches fully prior to the inner conductive packing.Like this, before conductive package was damaged, outer packaging can interrupt stretching.
The preferred embodiment of yarn of the present invention comprises the application of polyfilament yarn as non-conductive packing.When twining core, polyfilament yarn is layered arrangement oneself on heart yearn preferably, compare with monofilament like this have a same external diameter they can produce sizable surface coverage.
According to application, all types of silk threads all are applicable to described outer packaging.Introduce some representational possible materials as example: nylon, polyester, artificial fibre, polyamide, flax, wool, silk, cotton, polypropylene, multi-form Kevlar (kevlar), all types of blended fiber and metallized yarn, as silver-plated nylon.
Available diverse ways is made yarn of the present invention.Preferable methods be traditional reel for yarn around.Herein, the elastomer yarn at center stretches on stretching-machine.The elastic core wire that stretches is by the hollow spindle of rotation.The bobbin that has conductive thread or binding wire has been installed on hollow spindle.Along with the elastic core wire that evenly batches transmits this silk thread, so that conductive thread or binding wire are with spiral-shaped winding heart yearn.When the heart yearn that twines after-drawing was lax again, each turn was close together during twining in fact more closely.
Compare with inelastic yarn, under the identical situation of other working condition, can make the caoutchouc elasticity yarn in high drawing-off ground, the turn that Yarn relaxation caused after this made and twines is more tight.With the method for being quoted, elastomeric yarn can more closely twine than inelastic yarn.
As basic principle, outer silk thread has caused the inside torsion that causes yarn to be relaxation state to the winding of heart yearn, that is to say that when unwinding from bobbin, self twists.Twine two rhizoid lines around heart yearn and may eliminate these inner torsion.This is known as yarn " balance ".That is to say,, will produce rightabout torsion if the second rhizoid line twines heart yearn with the direction opposite with the first rhizoid line.Now, adjust material and return number by simple test so that the big or small approximately equal of torsion makes synthetic torsion almost nil.Therefore, guarantee relaxation state yarn self twisting very little, or twisting.
Thereby according to the preferred embodiment of the present invention, conductive thread and binding wire twine elastic core wire with opposite direction.Therefore, for example, if conductive thread twines elastic core wire with the S direction, binding wire twines elastic core wire with the Z direction so.Twine thereby form to intersect.
The present invention also comprises the application that yarn of the present invention and fabric are supplied the power supply of transfer of data and electric device and electronic component.In addition, comprise that also yarn of the present invention and fabric conduct and ribbon cable or local resolution can activate the application of the similar conductive material of (local-resolution-activatable) two-dimentional matrix, it can transmit the different signals of telecommunication side by side and not have tangible phase mutual interference.
In addition, yarn of the present invention or can be applied in the electromagnetic protection field or be used to eliminate static by the product of its manufacturing.Yarn of the present invention is used as heating resistor in the electrical heating scope be possible.
The present invention also comprises the application of yarn of the present invention as the electrical heating conductor, but and can be used as elasticity electrical heating fabric and the fabric made.
The present invention comprises the application of yarn of the present invention as sensor material in addition, preferably as humidity sensor or strain gauge.
The specific embodiment
Next, will explain the present invention, be not limited to these listed examples but will particularly point out the present invention based on representational embodiment.
Embodiment 1:
Predraft intensity is the Lycra163C elastomer yarn (manufacturer: DuPont De Nemours International S.A.FibresDepartment, Du Pont Stra β e 1, Bad Homburg of 1880 dtexs (dtex) on yarn winder; Name of product: LYCRA elastomeric yarn; Dtex/model: 1880 dtex T.136C).The extension at break of this silk thread is 500%, and tearing strength is 1300cN.After the elongation 100%, this Yarn relaxation except that permanent elongation 2.4%.
Make predraft Lycra silk thread pass through hollow spindle.This hollow spindle is born with the thick hard silver-gilt copper wire (manufacturer: Elektro-FeindrahtAG in CH-8182 Escholzmatt of 0.04mm of fully being extracted out by the Lycra silk thread; Name of product: the silver/cuprophane with coating is knitted wire model TW-D) conical spindle.The diameter of measuring wiry that comprises lacquer coat is 0.048mm.This wire has 21.3% extension at break.
Make this Lycra silk thread of being reeled pass through second hollow spindle by single metal wire.This commercial (manufacturer: Radicifil S.p.A./Synfil GmbH, IT-24126Bergamo of the PA66 Multi-filament polyamide yarns line with 78dtex and 34 threads that gets of hollow spindle carrying; Title: RN01235 78/34/1S; Extension at break: 28%).The winding core that the PA66 yarn is opposite with wire.Select machine parameter to make the balanced yarn that does not have inner torsion as far as possible.
Outside PA66 yarn twines core 3200 times with every meter yarn; Inner wire twines core 3600 times with every meter yarn.Inner wire is almost completely covered by the PA66 yarn of outside, so that this yarn has textile appearance and surperficial feel.This yarn has good electric conductivity.If extend approximately 250%, the restoring force of this yarn that stretches fully by the PA66 yarn unevenly becomes stronger so.Have only when elongation approximately 300% the time, this yarn has lost its electric conductivity because wire ruptures.
Embodiment 2:
On the commercial power loom that gets, use the elastic conduction cladded yarn of embodiment 1 as weft yarn.Single twisting cotton thread thick by 0.3mm through axle, that 8 rhizoid lines are synthetic is formed.When interweaving, produce the firm fabric that has good electric conductivity in broadwise, and this fabric can not conductive electric current at warp-wise.Even after broadwise stretches above 120%, still can keep these electrical properties.If connect the electrode of dc voltage power supply in the spaced apart of warp-wise, can use this voltage in the spacing of one meter of broadwise, to move electric receiver, as light emitting diode.This fabric can be stretched in broadwise and not influence the power supply supply of light emitting diode.
Embodiment 3:
On the commercial power loom that gets, use the elastic conduction cladded yarn of embodiment 1 as weft yarn.Through axle by conduction but the cladded yarn that does not have a caoutchouc elasticity form.In order to make this warp thread,, hard silver-gilt copper wire interior packing thick and have 78dtex and the commercial polyamide yarn that gets (PA66) outer packaging of 34 monofilament is realized the commercial polyester yarn with 100dtex and 36 monofilament that gets with 0.041mm.
When interweaving, produce the firm fabric that has good electric conductivity in broadwise, and this fabric is irrelevant in electric conductivity and its electric conductivity in broadwise of warp-wise.Even after broadwise stretches above 120%, still can keep these electrical properties.Having this fabric that suitable electronically active can be made economically can be used for the spatial discrimination signal capture as matrix, or is used for running space and differentiates output device, as monitor.
Embodiment 4:
The Lycra163C elastomer yarn of predraft 1880dtex on yarn winder (DuPontDe Nemours GmbH, Du Pont Stra β e 1, D-61352, Bad Homburg).Make the Lycra silk thread of predraft pass through hollow spindle.This hollow spindle is born with the silver-plated polyamide silk thread with 30 DENIER (denier) and 18 monofilament (X-static, Life SRL, I-25015 Desenzano, the conical spindle of fully being extracted out by Lycra silk thread Italy).Make by this Lycra silk thread of the single winding of silver plated fiber by second hollow spindle.The commercial PA66 Multi-filament polyamide yarns line that gets of this hollow spindle carrying with 33dtex and 10 monofilament.The winding core that the PA66 yarn is opposite with silver plated fiber.Select machine parameter to make the balanced yarn that does not have inner torsion as far as possible.Outside PA66 yarn twines core 3200 times with every meter yarn; Inner silver-plated silk thread twines core 3600 times with every meter yarn.Inner silver-plated silk thread is almost completely covered by the PA66 yarn of outside.This yarn has good electric conductivity.If extend approximately 250%, the restoring force of this yarn that stretches fully by the PA66 yarn unevenly becomes stronger so.Have only when elongation about 320% the time, this yarn breakage of sheathing Lycra core.
Embodiment 5:
On the commercial power loom that gets, use the elastic conduction cladded yarn of embodiment 1 as weft yarn.Through axle by conduction but the cladded yarn that does not have a caoutchouc elasticity form.In order to make this warp thread, with silver-plated polyamide silk thread (X-static with 30 DENIER (denier) and 18 monofilament, LifeSRL, I-25015Desenzano, Italy) interior packing is finished the commercial polyester yarn with 100dtex and 36 monofilament that gets with the commercial polyamide yarn that gets (PA66) outer packaging with 33dtex and 10 monofilament.
When interweaving, produce firm fabric with good electric conductivity.Because the incomplete insulation of silver-plated packing in warp thread and the weft yarn, all conductive yarns in the fabric are electrical contact with each other.Even after broadwise stretches above 100%, still can keep independently electric conductivity of these directions.This fabric has good shielding to electromagnetic radiation, especially to the electromagnetic radiation of 1-2000MHz.
Embodiment 6:
On the commercial power loom that gets, use the elastic conduction cladded yarn of embodiment 1 as warp thread.Alternately form through axle by the sequence of each 8 same silk thread.8 wire harness of embodiment 1 described yarn alternately occur and yarn does not have current-carrying part.Except replace wire with PA66 Multi-filament polyamide yarns line, there is not the silk thread of current-carrying part fully to conform to basically with embodiment 1 described yarn with 78dtex and 34 monofilament.The commercial Multi-filament polyamide yarns line that gets is used as weft yarn.
In this way the elastic webbing of Zhi Zaoing has the conductive strips of the coexistence that is electrically insulated from each other.For in addition in wet environment, prevent short circuit between the conductive strips, can advantageously make yarn with the wire of plastic coat.The described flat elasticity cable of this embodiment is applicable to electricity and the electron component that connects in the clothing significantly.Can be at this elastic webbing of warp direction stretching under the situation of not losing electric conductivity.When clothing wore and tore, this elastic webbing was insensitive to wrinkle with folding.
Embodiment 7:
The flat-cable connector that elasticity broadwise conductive fabric among the embodiment 2 is wide by the commercial 1.1cm that gets and 50cm is long is electrically contacted in broadwise.After applying DC voltage, electric current flows.In the middle of tie point, determine the rising of the temperature that electric current causes by NTC resistance.When thermal power was 5W (1.4A is at 3.6V), the temperature of increase was 30 ℃.When thermal power was 13W (2A is at 6.5V), the temperature of increase was 64.5 ℃.
The extensibility of this fabric and textile surface feel make it be particularly suitable for making the elasticity electric heating textiles that can directly contact with health.Examples of applications comprises socks, joint heater, backside heaters, gloves, elastoplast etc.
Claims (29)
1. conductive yarn comprises at least one elastic core wire, at least one conductive thread and at least one binding wire that twines elastic core wire that twines elastic core wire, and the extensibility that it is characterized in that whole conductive yarn is subjected to the restriction of binding wire.
2. conductive yarn according to claim 1 is characterized in that, exceeds fixedly tensile load, and binding wire influences the unbalanced growth of conductive yarn restoring force, and the unbalanced growth of restoring force appears at before the electric conductivity forfeiture of yarn.
3. conductive yarn according to claim 1 is characterized in that this elastic core wire is made up of rubber elastic material.
4. conductive yarn according to claim 1 is characterized in that this elastic core wire presents at least 50% extension at break.
5. conductive yarn according to claim 4 is characterized in that this elastic core wire presents at least 300% extension at break.
6. conductive yarn according to claim 2 is characterized in that this elastic core wire is made up of natural rubber, synthetic rubber, polyester elastomeric material, polyether elastic material, modified poly ester and/or crosslinked thermoplastic.
7. conductive yarn according to claim 6 is characterized in that this elastic core wire is made up of polyester-polyurethane ester elastomer and/or polyethers-polyurethane elastomer.
8. conductive yarn according to claim 1, it is characterized in that longitudinal elasticity elongation at least 15% after, this yarn presents 5% maximum permanent elongation under the situation of not losing electric conductivity.
9. conductive yarn according to claim 1, it is characterized in that longitudinal elasticity elongation at least 30% after, this yarn presents 5% maximum permanent elongation under the situation of not losing electric conductivity.
10. conductive yarn according to claim 1 is characterized in that the diameter as the metal monofilament of conductive thread is 0.01-0.1mm.
11. conductive yarn according to claim 1 is characterized in that the synthetic fiber of metallizing are used as conductive thread.
12. conductive yarn according to claim 11 is characterized in that the silver-plated synthetic fiber of monofilament are used as conductive thread.
13. conductive yarn according to claim 1 is characterized in that the multifilamentary wire yarn is used as conductive thread.
14. conductive yarn according to claim 13 is characterized in that silver-plated polyfilament yarn is used as conductive thread.
15. conductive yarn according to claim 1 is characterized in that stainless steel fibre is used as conductive thread.
16. conductive yarn according to claim 1 is characterized in that binding wire is wrapped in the outside of elastic core wire, described elastic core wire is twined by conductive thread.
17. conductive yarn according to claim 1 is characterized in that the slotting outside around elastic core wire of conductive thread, described elastic core wire is twined by binding wire.
18. conductive yarn according to claim 1 is characterized in that in every meter yarn, conductive thread twines elastic core wire at least 1,000 time.
19. conductive yarn according to claim 1 is characterized in that in every meter yarn, binding wire twines elastic core wire at least 1,000 time.
20. conductive yarn according to claim 1 is characterized in that conductive thread and binding wire twine elastic core wire with opposite direction.
21. make each the method for conductive yarn of claim 1 to 20, may further comprise the steps for one kind:
A) mechanical stretching elastic core wire on stretching-machine,
B) elastic core wire that makes this stretching by the carrying conductive thread and around the hollow spindle of its longitudinal axis rotation and
C) make the hollow spindle that has been passed through second carrying binding wire and rotated around its longitudinal axis by the tensile elasticity heart yearn of the single winding of conductive thread, the direction of rotation of second hollow spindle is opposite with the direction of rotation of first hollow spindle.
22. a fabric, it comprise at least one claim 1 to 20 each conductive yarn or the conductive yarn of making according to claim 21.
23. each conductive yarn that is limited of claim 1 to 20 is used for the application of transmission of electric signals.
24. application according to claim 23, this signal of telecommunication are simulation and/or data signal.
25. each conductive yarn that is limited of claim 1 to 20 or be used to electric or electronic component provides electric current according to the conductive yarn that claim 21 is made.
26. each conductive yarn that is limited of claim 1 to 20 or be used for producing heat by electric current according to the conductive yarn that claim 21 is made.
27. each conductive yarn that is limited of claim 1 to 20 or the conductive yarn of making according to claim 21 are used for shield electromagnetic.
28. each conductive yarn that is limited of claim 1 to 20 or the conductive yarn of making according to claim 21 are used to eliminate electrostatic charge.
29. each conductive yarn that is limited of claim 1 to 20 or the conductive yarn made according to claim 21 are as sensor material.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2002142785 DE10242785A1 (en) | 2002-09-14 | 2002-09-14 | Electrically conductive yarn has a stretch core filament, with an electrically conductive and a bonding filament wound around it to restrict the core stretch |
| DE10242785.2 | 2002-09-14 | ||
| DE10305872.9 | 2003-02-13 | ||
| DE10305872 | 2003-02-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1671901A CN1671901A (en) | 2005-09-21 |
| CN100523341C true CN100523341C (en) | 2009-08-05 |
Family
ID=32031478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038182440A Expired - Fee Related CN100523341C (en) | 2002-09-14 | 2003-09-15 | Electrically conductive thread |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20050282009A1 (en) |
| EP (1) | EP1537264B1 (en) |
| JP (1) | JP2005538270A (en) |
| CN (1) | CN100523341C (en) |
| AT (1) | ATE326563T1 (en) |
| AU (1) | AU2003299049A1 (en) |
| CA (1) | CA2493145C (en) |
| DE (2) | DE10342787A1 (en) |
| ES (1) | ES2264771T3 (en) |
| PT (1) | PT1537264E (en) |
| WO (1) | WO2004027132A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Also Published As
| Publication number | Publication date |
|---|---|
| ATE326563T1 (en) | 2006-06-15 |
| EP1537264A1 (en) | 2005-06-08 |
| JP2005538270A (en) | 2005-12-15 |
| WO2004027132A1 (en) | 2004-04-01 |
| EP1537264B1 (en) | 2006-05-17 |
| DE10342787A1 (en) | 2004-05-13 |
| CA2493145A1 (en) | 2004-04-01 |
| CN1671901A (en) | 2005-09-21 |
| AU2003299049A1 (en) | 2004-04-08 |
| ES2264771T3 (en) | 2007-01-16 |
| CA2493145C (en) | 2009-04-07 |
| PT1537264E (en) | 2006-09-29 |
| US20050282009A1 (en) | 2005-12-22 |
| DE50303383D1 (en) | 2006-06-22 |
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