EP1137322A1 - Fibres de carbone gainées - Google Patents

Fibres de carbone gainées Download PDF

Info

Publication number
EP1137322A1
EP1137322A1 EP00890096A EP00890096A EP1137322A1 EP 1137322 A1 EP1137322 A1 EP 1137322A1 EP 00890096 A EP00890096 A EP 00890096A EP 00890096 A EP00890096 A EP 00890096A EP 1137322 A1 EP1137322 A1 EP 1137322A1
Authority
EP
European Patent Office
Prior art keywords
line
conductive
fabric
insulating
opened
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
EP00890096A
Other languages
German (de)
English (en)
Other versions
EP1137322B1 (fr
Inventor
Friedrich Bauer
Jürgen Röhmig
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.)
Ing Friedrich Bauer GmbH
Original Assignee
Ing Friedrich Bauer GmbH
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 Ing Friedrich Bauer GmbH filed Critical Ing Friedrich Bauer GmbH
Priority to DE50006485T priority Critical patent/DE50006485D1/de
Priority to EP00890096A priority patent/EP1137322B1/fr
Priority to AT00890096T priority patent/ATE267503T1/de
Publication of EP1137322A1 publication Critical patent/EP1137322A1/fr
Application granted granted Critical
Publication of EP1137322B1 publication Critical patent/EP1137322B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/342—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/036—Heaters specially adapted for garment heating

Definitions

  • the invention relates to a method for producing a conductive connection between Thread material made of a conductive core, preferably a carbon fiber core, and an insulating Sheath layer, as well as the production of a thermally conductive fabric from one Endless thread product with a conductive core and an insulating jacket layer, preferably an endless material produced in warp and weft arrangement and the use of this fabric.
  • the object of the invention is therefore a method for producing a conductive connection between thread material made of a conductive core, preferably a carbon fiber core, and to create an insulating jacket layer, which in particular for further processing in a fabric created from the thread material is suitable and the known disadvantages avoids conventional connections.
  • the process guarantees a clean and smooth connection, which is excellently suited for the use of line closures in fabrics. In addition, it also favors the mechanical production of such connections.
  • the insulating jacket layers are opened with a solvent. At possible contact points - in the case of fabrics, all points where the threads cross, optional points - solvent is applied selectively, whereby the crossed sheath layers dissolve and compress the cores, which makes them a conductive unit.
  • the cladding layers are opened and the conductive cores are pressed in by simultaneously applying pressure and heat in the contact area of the thread material to be connected.
  • the cladding layers are opened by the action of heat and high pressure, thus creating a conductive contact between the conductive cores. After the conductive cores have been connected, there remain insulation-free areas in which leakage currents could flow. To avoid this effect, according to a further development of the invention, the open cladding layers are closed by applying an insulating material. An insulating layer is preferably sprayed on. This creates a smooth finish and surface. Maintaining flexibility at the connection point and a low-volume closure are of particular importance when processing thread material into fabric and subsequently making connections. The use of a suitable insulating material which envelops the conductive core of the thread material also avoids the application of an additional insulating layer. The material opened under heat and pressure closes completely after the heat supply has ended.
  • the invention also relates to the production of a thermally conductive fabric from an endless Thread product with a conductive core and an insulating jacket layer.
  • the object of the invention is to create tissue which avoids these disadvantages and permits controlled heat distribution.
  • the invention solves the problem in that the outline of the fabric is defined by a self-contained line connection, that by creating further line connections within the selected outline, line clusters are created, and that the tissue is separated from the continuous material outside the defined line connection.
  • the piece of fabric that can be freely selected is thus separated from the bandage from the material web for the time being by producing a closed line closure that corresponds to the circumference of the piece of fabric and then mechanically deployed. The mechanical separation takes place outside of this, so as not to injure the line short.
  • the invention provides in a further development that the line connections are marked using a grid.
  • the grid corresponds to an optically generated computer grid.
  • the line connection can be easily established along this path thus drawn.
  • the invention provides that the tissue separated from the continuous material is connected to a controllable current source via further line closings and that in addition to already specified line areas, cross-connections for the arbitrary arrangement of conductive areas with individually selectable expansion take place by selective supply of pressure and heat.
  • further point-specific line crossings corresponding to the use of the respective fabric can be realized by simply applying heat and pressure. This subsequent individual adjustment is an excessive advantage, especially in the field of medical aids.
  • intersection points increase, the heating of the material also increases in this area. In this way, any heat pattern that is completely tailored to the intended purpose can be generated. It is particularly advantageous that, in addition to the intersection points already provided, other intersection points can be created in such a simple manner.
  • the invention further provides for the use of a fabric produced according to the invention by introducing the conductive fabric into material webs for producing clothing, accessories, therapeutic materials, healing aids and materials for first aid. All areas of use benefit from the possibility of subsequent adjustment, which often depends not only on the intended use but also on the characteristics of the person who determines the use. For example, in the field of therapeutic healing aids, such as elastic bandages for use on joints, a heat cluster can be created exactly. The intended purpose is thus fulfilled as best as possible.
  • thermoplastic as continuous filament material 3 in section.
  • the material thickness of the thermoplastic used as the insulating cladding layer 2 is between 2 and 5 ⁇ m. With this layer thickness, the continuous thread material is not too stiff to be processed further. The fiber accumulates during coating, which is also advantageous.
  • the process steps shown in FIG. 2 are necessary . First, the thread material 3a, 3b is arranged crossed over.
  • the sheath layers 2a, 2b of both threads 3a, 3b are opened simultaneously in the intersection area 4.
  • this step is carried out by the selective application of a suitable solvent 5.
  • the sheath layer on both threads is detached and the fiber cores 1a, 1b can touch one another.
  • the two cores are then pressed together by applying a suitably high pressure. A joint line flow of the two cores is thus achieved.
  • the cores are pressed, as shown in FIG. 2c, with the aid of a plunger 6.
  • the wires to be pressed lie at least at their crossing point on a base 7 that supports the pressing.
  • FIG. 2c shows an embodiment in which the additional insulating material is fed through an opening 8 in the plunger 6.
  • the connection is then hardened [if necessary]
  • Fig. 2d shows the successful line closure between the two threads on average.
  • 3 shows another embodiment of the method. There is no need to open the insulating sheath layer with a solvent, instead the sheath is opened and the cores are pressed in one step. In the crossing area of the yarns, beds, tapes or wires, heat and high baling pressure are used in one work step.
  • the insulating material Due to the heat and the high pressure, the insulating material is pressed open in the intersection area and thus a conductive contact between the units to be connected can be made even easier. In this variant, insulating material is then additionally applied, which then hardens.
  • a variant of the variant described above results when using a material with special properties for the insulating cladding layer. This material flows apart when pressure and heat are applied, thus freeing up the crossing area. After the cores have been pressed in and the heat supply has ended, the insulating material of the two fibers joins in the peripheral zones. The contact is thus established and the contact node is already isolated again. The line nodes produced in this way are used in particular in the production of a thermally conductive fabric.
  • This is made of continuous threads and is preferably woven into a mat or an endless material.
  • This fabric should now be used embedded in material webs, preferably made of natural or synthetic fibers for the production of clothing, therapeutic bandages or corsages, as well as first aid materials.
  • the purpose of the application is to heat the tissue in all cases. This is done by connecting the tissue to an external and controllable current source and heating a conductor provided with a certain resistance value when current is applied. This heating takes place depending on the distance through which the current travels between nodes.
  • the material 9 to be processed is removed from the mat 10 in accordance with its shape (FIG. 4a).
  • a self-contained short circuit is established along the outline. Outside of this, the material is mechanically separated. However, the separation can also take place in such a way that these two steps take place simultaneously by applying pressure and heat through a cutting roller, here a cutting edge 11 and a pressure roller 12 (FIG. 4b).
  • a cutting roller here a cutting edge 11 and a pressure roller 12
  • FIG. 4b When the mold is removed from the mat, there is also a line short. Any shape can be chosen. Line clusters can also be created within the selected forms.
  • stencils 13 are used. Ideally, these stencils 13 are produced with the aid of a computer and applied to the material to be processed, for example by means of light.
  • a coordinate system 14 is used here.
  • the halftone dots can be routed just as well from the computer's memory to a tool that generates the specified clusters exactly.
  • heat patterns can be generated. Short distances result in low temperatures, high distances result in high temperatures.
  • connection of the external and controllable current source is also carried out using the method for connecting the thread material.
  • the conductive core is a carbon fiber, copper or silver core. This is only important for the elasticity.
  • the use of a soldered connection would negate the advantages of the heatable fabric - at least at the connection points. This is because the additional and excess material accumulation at the connection points would be very disruptive, particularly for clothing, but also for thermal compresses and general-purpose bandages. It is evident from the above-mentioned exemplary embodiments that the goal, namely to establish a connection which remains smooth on the surface in the case of a thin tissue and enables a specific supply of current into the tissue, is achieved without complaint.
  • FIG. 6 a, b shows, for example, an annular insert in an elastic bandage 15.
  • the tissue to be heated is sewn into it.
  • the transition 16a, 16b takes place on a fine, insulated silver band 17, which leads to the battery holder 18.
  • the battery can be attached to the waistband, for example.
  • the zones to be heated can be precisely aligned.
  • a fabric designed in this way also requires only low energy consumption.
  • Tissue with a carbon core can also be processed afterwards. So you can add additional heat patterns to the already made piece after it is finished - or already in use. This is done by applying pressure and heat at selected points of intersection. The more crossing points you create, the warmer the tissue in this area.
  • the tissue is primarily used in the therapeutic field.
  • the material is also used for emergency blankets, especially for mountain rescue.
  • the blanket can be preheated to a specified temperature in good time using the external battery for a known purpose.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Inorganic Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
EP00890096A 2000-03-24 2000-03-24 Fibres de carbone gainées Expired - Lifetime EP1137322B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE50006485T DE50006485D1 (de) 2000-03-24 2000-03-24 Ummantelte Kohlefaser
EP00890096A EP1137322B1 (fr) 2000-03-24 2000-03-24 Fibres de carbone gainées
AT00890096T ATE267503T1 (de) 2000-03-24 2000-03-24 Ummantelte kohlefaser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00890096A EP1137322B1 (fr) 2000-03-24 2000-03-24 Fibres de carbone gainées

Publications (2)

Publication Number Publication Date
EP1137322A1 true EP1137322A1 (fr) 2001-09-26
EP1137322B1 EP1137322B1 (fr) 2004-05-19

Family

ID=8175918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00890096A Expired - Lifetime EP1137322B1 (fr) 2000-03-24 2000-03-24 Fibres de carbone gainées

Country Status (3)

Country Link
EP (1) EP1137322B1 (fr)
AT (1) ATE267503T1 (fr)
DE (1) DE50006485D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101102152B1 (ko) 2005-06-28 2012-01-02 삼성전자주식회사 유기박막 트랜지스터의 제조방법 및 그에 의해 제조된유기박막 트랜지스터
DE102020129775B3 (de) 2020-11-11 2022-01-27 Müller Textil GmbH Funktionstextil, Verfahren zur Bildung eines Funktionstextils sowie Verwendung eines Funktionstextils

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1562086A (en) * 1975-08-04 1980-03-05 Raychem Corp Article with fabric electrodes
US5824996A (en) * 1997-05-13 1998-10-20 Thermosoft International Corp Electroconductive textile heating element and method of manufacture

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1562086A (en) * 1975-08-04 1980-03-05 Raychem Corp Article with fabric electrodes
US5824996A (en) * 1997-05-13 1998-10-20 Thermosoft International Corp Electroconductive textile heating element and method of manufacture

Also Published As

Publication number Publication date
DE50006485D1 (de) 2004-06-24
ATE267503T1 (de) 2004-06-15
EP1137322B1 (fr) 2004-05-19

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