DE7737437U1 - HEATING ELEMENT WITH SMOOTH CHARACTERISTICS, CONSISTS OF AN ELECTRIC RESISTANCE HEATING MADE OF HEAT CONDUCTORS, ARRANGED BETWEEN SEVERAL LAYERS - Google Patents

HEATING ELEMENT WITH SMOOTH CHARACTERISTICS, CONSISTS OF AN ELECTRIC RESISTANCE HEATING MADE OF HEAT CONDUCTORS, ARRANGED BETWEEN SEVERAL LAYERS

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Publication number
DE7737437U1
DE7737437U1 DE7737437U DE7737437U DE7737437U1 DE 7737437 U1 DE7737437 U1 DE 7737437U1 DE 7737437 U DE7737437 U DE 7737437U DE 7737437 U DE7737437 U DE 7737437U DE 7737437 U1 DE7737437 U1 DE 7737437U1
Authority
DE
Germany
Prior art keywords
heating
pliable
layers
several layers
electric resistance
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
Application number
DE7737437U
Other languages
German (de)
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.)
IG Bauerhin GmbH
Original Assignee
IG Bauerhin 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 IG Bauerhin GmbH filed Critical IG Bauerhin GmbH
Priority to DE7737437U priority Critical patent/DE7737437U1/en
Publication of DE7737437U1 publication Critical patent/DE7737437U1/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/20Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/36Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heating conductor embedded in insulating material
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/20Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/20Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/342Heating 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
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/003Heaters using a particular layout for the resistive material or resistive elements using serpentine layout
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/005Heaters using a particular layout for the resistive material or resistive elements using multiple resistive elements or resistive zones isolated from each other
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/011Heaters using laterally extending conductive material as connecting means
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014Heaters using resistive wires or cables not provided for in H05B3/54
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017Manufacturing methods or apparatus for heaters
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/033Heater including particular mechanical reinforcing means
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/036Heaters specially adapted for garment heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Surface Heating Bodies (AREA)

Description

3/55/77 j ::'V'2f3/55/77 j :: 'V'2f

Die Erfindung betrifft einen Heizkörper mit schmiegsamer Charakteristik, bestehend aus einer aus Heizleiter gebildeten elektrischen Widerstandsheizung, die zwischen mehreren Schichten, angeordnet ist.The invention relates to a heater with pliable characteristics, consisting of a electrical resistance heating formed from heating conductors, which is sandwiched between several layers, is arranged.

Es sind schmiegsame elektrische Flächenheizkörper bekannt, bei denen die Heizleiter eingewebt, aufgenäht, zwischengesteppt, eingeklebt oder durch ein Hochfrequenz-Schweißverfahren auf bzw. in den schmiegsamen Träger eingebracht sind.There are pliable electric surface heating elements known in which the heating conductors are woven, sewn on, quilted in between, glued in or by a high-frequency welding process on or in the pliable carriers are introduced.

In diesem Zusammenhang wird unter anderem auf einen Heizkörper nach der DT-PS 1 757 215 verwiesen. In this context, reference is made, inter alia, to a radiator according to DT-PS 1 757 215.

In diesem Gerät sind die Heizleiter in einem Kanäle bildenden Doppelgewebe eingezogen. Die Ausbildung hat dabei den Nachteil, daß der Heizleiter nicht maschinell sondern von Hand eingelegt werden muß, was mit einem wirtschaftlich nicht vertretbaren Zeitaufwand verbunden ist.In this device, the heating conductors are drawn into a double fabric that forms channels. Training has the disadvantage that the heating conductor does not have to be inserted mechanically but by hand, which is associated with an economically unacceptable expenditure of time.

Auch Heizkörper mit im Zickzack aufgenähten oder zwischen zwei Stoffen eingesteppten Heizleitern bedingen ebenfalls einen außerordentlichen hohen Arbeitsaufwand. Radiators with heating conductors sewn on in a zigzag or quilted between two fabrics also require an extraordinarily high amount of work.

Heizkörper mit eingeklebten Heizleitern haben, wenn wasserlöslicher Kleber verwendet wurde, den Nachteil, sich beim Naßwerden wieder zu lösen.Radiators with glued-in heating conductors have the disadvantage, if water-soluble glue was used, to loosen again when getting wet.

7737437 30.01787737437 30.0178

I I · I 1 II I · I 1 I.

3/55/773/55/77

Lösungsmittelkleber, der diesen Nachteil nicht hat, bedingt durch die erforderliche Sicherung gegenüber der gegebenen Feuergefährlichkeit und die notwendige Absaugung der schädlichen, geruchsbelästigenden· Dämpfe hohe Investitiais- und auch laufende Kosten, um die entsprechenden Sicherheitsvorschriften zu erfüllen.Solvent adhesive, which does not have this disadvantage, due to the required security against the given fire hazard and the necessary extraction of the harmful, odorous · Reduce high investment and running costs, to meet the relevant safety regulations.

Bei den hochfrequenz-geschweißten Heizkörpern, bei denen der metallische Heizleiter bei der Herstellung in einem Hochfrequenzfeld liegt, ist die Gefahr von sogenannten Brennern und damit eines überhöhten Ausschusses gegeben.In the case of high-frequency welded radiators, where the metallic heating conductor is used during manufacture lies in a high-frequency field, is the danger of so-called burners and thus one given excessive committee.

Da als Schweißhilfsmittel nur PVC praktisch in Anwendung kommt, ist die Herstellung von Hf-geschweißten schmiegsamen Heizkörpern auch von der Materialseite her aufwendig.Since only PVC is practically used as a welding aid comes, the production of HF-welded flexible radiators is also from the material side elaborate.

Die Investitionskosten liegen - bedingt durch die relativ teueren HF-Anlagen - sehr hoch und eine, für einen bestimmten Typ eingerichtete Maschine ist dann so spezialisiert, daß sie sich für andere Herstellungen nicht ohne hohe Umrüstungskoslai gebrauchen läßt.The investment costs are - due to the relatively expensive HF systems - very high and one, The machine set up for a certain type is then so specialized that it can be used for others Do not use manufactures without high conversion costs leaves.

Eine Fertigung von Heizkörpern nach dem HF-Verfahren ist nur bei Vorlieg er. eines hohen Bedarfes von Heizkörpern gleichen Typs rationell und wirtschaftlich vertretbar.A production of radiators according to the HF process is only possible if he is present. a high need for radiators of the same type rationally and economically justifiable.

Aufgrund dieser Sachlage ist es Aufgabe dieser Erfindung einen Heizkörper nach der eingangs gegebenen Klassifizierung zu nennen,Due to this fact, it is the object of this invention to provide a radiator according to the initially given To name classification,

• · · ·· I I I I · I I ·• · · ·· I I I I · I I ·

der unter Vermeidung hoher Anlagekosten,fortlaufend in gleichmäßiger Ausführung und hoher Qualität, rationell und wirtschaftlich herstellbar ist, und dessen Heizleiter in ihrer vorbestimmten Lage sicher fixiert sind.while avoiding high investment costs, continuously in uniform execution and high Quality, can be produced efficiently and economically, and its heating conductor in its predetermined Are securely fixed.

Darüberhinaus darf die Herstellung des Heizkörpers nicht durch Sicherheitsrisiken oder Umweltschutzprobleme belastet sein.In addition, the manufacture of the radiator must not be affected by safety risks or environmental problems be burdened.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß die die Heizleiter abdeckenden beiden schmiegsamen Schichten - reduziert um die Projektionsfläche der ausgelegten Heizleiter - vollflächig thermisch miteinander und hierbei die Heizleiter fixierend, verbunden sind.According to the invention this object is achieved in that the two covering the heating conductors pliable layers - reduced by the projection area of the laid out heating conductor - over the entire surface are thermally connected to one another and thereby fixing the heating conductors.

Diese vollflächige thermische Verbindung zwischen beiden schmiegsamen Schichten gewährt nicht nur eine dauerhafte und sichere Fixierung der Heizleiter in deren vorbestimmter Lage, sondern sie ermöglicht ganz generell die Herstellung solcher Heizkörper mit relativ einfachen Hilfsmitteln, da lediglich in großen Flächen thermisch verbunden wird, und Spezialwerkzeuge für die Einstellung von gezielten punktuellen Bindungen zwischen den Schichten vermieden werden. Diese Spezialwerkzeuge sind in aller Regel nicht nair aufwendig, sondern.ihre Verwendung beschränkt sich auf die Herstellung vorbestimmter Modelle, Typen usw.This full-surface thermal connection between the two pliable layers is not only a guarantee a permanent and secure fixation of the heating conductors in their predetermined position, but it allows generally the production of such radiators with relatively simple tools, since only in large areas is thermally bonded, and special tools for setting targeted punctual Bindings between the layers are avoided. These special tools are usually not nair expensive, but their use is limited to the production of predetermined models, types, etc.

3/55/77 : i;": · ί -.·5·-:'3/55/77: i; ": · ί -. · 5 · -: '

Ein erfindungsgemäß aufgebauter Heizkörper ist auch gegenüber den anderen beschriebenen Heizkörpern ungleich wirtschaftlicher herzustellen, da sämtliche Näh-, Webverfahr en oder ähnliches auf-t wendiger sind.A radiator constructed according to the invention is also different from the other radiators described Unequally more economical to manufacture, since all sewing, weaving processes or the like are on-t are more agile.

Hinsichtlich des weiteren Aufbaus ist es vorteilhaft, daß zumindest eine schmiegsame Materialschicht aus einem thermoplastischen Stoff besteht bzw. Anteile eines solchen Stoffes enthält, und dieser Stoff der zweiten, dem Heizleiter auflagernden schmiegsamen Schicht beliebiger Materialbasis thermisch adhäsiv und/oder kohäsiv oder strukturell verbunden ist.With regard to the further structure, it is advantageous that at least one pliable material layer consists of a thermoplastic substance or contains proportions of such a substance, and this material of the second, supple layer of any material base resting on the heating conductor is thermally adhesive and / or cohesively or structurally connected.

Ebenso ist es möglich, daß keine der beiden schmiegsamen Materialschichten unmittelbar beschichtet ist. Für diesen Fall ist es vorgesehen, daß zwischen den beiden Materialschichten ein Schmolz- oder Heißsiegelkleber in beliebiger Form eingebracht ist.It is also possible that neither of the two flexible material layers is coated directly. In this case it is provided that a melt or heat seal adhesive is used between the two material layers is introduced in any form.

Bei diesen Klebern handelt es sich um nichthärtende, schmelzbare Harze, die oft mit Zusätzen macromolekularen Stoffe , z.B. Polyamiden, Äthylcellulose, Polyvinylacetat und dergleichen versetzt sind oder aber auch um synthetische Polymere verschiedener Art, die vielfach Mischpolymere von Vinylacetat und Vinylchlorid sind. Diese Kleber können sowohl als Filmschicht oder aber in streubarer Ibrm, d.n. pulvrig oder ähiXLch, auf dem schmiegsamen Material aufgebracht sein.These adhesives are non-hardening, Meltable resins, often with additives macromolecular substances, e.g. polyamides, ethyl cellulose, polyvinyl acetate and the like are offset or also by synthetic polymers of various types that are often copolymers of vinyl acetate and vinyl chloride. These adhesives can be used both as a film layer or in scatterable Ibrm, d.n. powdery or uhiXLch, be applied to the pliable material.

3/55/773/55/77

Die schmiegsamen Materialien weisen in aller
Regel Textil-Basis auf.
The supple materials show in all
Usually textile-based.

Der erfindungsgemäße schmiegsame Heizkörper wird
durch die beigefügte Zeichnung in einer beispielsweisen Ausführung näher erläutert.
The flexible radiator according to the invention is
explained in more detail by the accompanying drawing in an exemplary embodiment.

Der Heizkörper 1 besteht aus den beiden schmiegsamen Schichten 2 und 3, wobei die Schicht 2 mit einer
Schmelzklebefolie 4 ausgerüstet ist. Die Schichten
2 und 3 weisen textile Basis auf und sind als solche zusanunendrückbar.Der Heizleiter 5 wird auf Schicht 3 ausgelegt und in seiner Lage durch Maßnahme und Mittel, die nicht Gegenstand dieser Erfindung sind, so lange in der vorgesehenen Lage gehalten, bis eine sichere vollflächige thermische Fixierung durch das Aufheizgerät 6, verbunden mit der durch dieses Gerät erzeugten und in Reaktion mit der Auflage 7 auf den Heizkörper 1 vermittelten Druckwirkung ,stattgefunden hat.
The radiator 1 consists of the two pliable layers 2 and 3, the layer 2 with a
Melt adhesive film 4 is equipped. The layers
2 and 3 have a textile base and as such are compressible. The heating conductor 5 is laid out on layer 3 and kept in its position in the intended position by measures and means that are not the subject of this invention until a safe full-surface thermal Fixation by the heating device 6, combined with the pressure effect generated by this device and imparted on the heating element 1 in response to the support 7, has taken place.

7737437 30.oa787737437 30.oa78

Claims (4)

3/55/77 , Τ-7.Τ...... Schutzansprüche3/55/77, Τ-7.Τ ...... protection claims 1. Heizkörper mit schmiegsamer Charakteristik, bestehend aus einer aus Heizleiter gebildeten elektrischen Widerstandsheizung, die zwischen mehreren Schichten angeordnet ist, dadurch gekennzeichnet, 1. Radiator with pliable characteristics, consisting of one formed from a heating conductor electrical resistance heating, which is arranged between several layers, characterized in, daß die die Heizleiter (5/ abdeckenden beiden schmiegsamen Schichten (2/3) - reduziert um die Projektionsfläche der ausgelegten Heizleiter vollflächig thermisch miteinander und hierbei die Heizleiter (5) fixierend, verbunden sind.that the two heating conductors (5 / covering supple layers (2/3) - reduced by the projection area of the laid out heating conductor over the entire area are thermally connected to one another and thereby fixing the heating conductors (5). 2. Heizkörper nach Anspruch 1, dadurch gekennzeichnet, 2. Radiator according to claim 1, characterized in that daß zumindest eine schmiegsame Materialschicht (2/3) aus einem, thermoplastischen Stoff besteht bzw. Anteile eines solchen Stoffes enthält, und dieser Stoff der zweiten, dem Heizleiter (5) auflagernden schmiegsamen Schicht beliebiger Materialbasis thermisch adhäsiv und/oder kohäsiv oder strukturell verbunden ist.that at least one pliable material layer (2/3) consists of a thermoplastic substance or contains parts of such a substance, and this substance of the second pliable layer on which the heating conductor (5) is placed, of any material base, is thermally adhesive and / or cohesive or is structurally connected. 3. Heizkörper nach Anspruch 1 und 2, dadurch gekennzeichnet, 3. Radiator according to claim 1 and 2, characterized in that daß zwischen beiden Materialschichten (2/3) ein Schmelz- oder Heißsiegelkleber in beliebiger Form eingebracht ist.that between the two layers of material (2/3) a melt or heat seal adhesive is introduced in any form. -7737437 30.0178 -7737437 30.0178 4. Heizkörper nach Anspruch 1 bis 3, dadurch gekennzeichnet, 4. Radiator according to claim 1 to 3, characterized in that daß die schmiegsamen Materialien Textil-that the pliable materials textile • -*·
Basis aufweisen.
• - * ·
Have base.
7737437 30.01787737437 30.0178
DE7737437U 1977-12-08 1977-12-08 HEATING ELEMENT WITH SMOOTH CHARACTERISTICS, CONSISTS OF AN ELECTRIC RESISTANCE HEATING MADE OF HEAT CONDUCTORS, ARRANGED BETWEEN SEVERAL LAYERS Expired DE7737437U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE7737437U DE7737437U1 (en) 1977-12-08 1977-12-08 HEATING ELEMENT WITH SMOOTH CHARACTERISTICS, CONSISTS OF AN ELECTRIC RESISTANCE HEATING MADE OF HEAT CONDUCTORS, ARRANGED BETWEEN SEVERAL LAYERS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7737437U DE7737437U1 (en) 1977-12-08 1977-12-08 HEATING ELEMENT WITH SMOOTH CHARACTERISTICS, CONSISTS OF AN ELECTRIC RESISTANCE HEATING MADE OF HEAT CONDUCTORS, ARRANGED BETWEEN SEVERAL LAYERS

Publications (1)

Publication Number Publication Date
DE7737437U1 true DE7737437U1 (en) 1978-03-30

Family

ID=6685206

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7737437U Expired DE7737437U1 (en) 1977-12-08 1977-12-08 HEATING ELEMENT WITH SMOOTH CHARACTERISTICS, CONSISTS OF AN ELECTRIC RESISTANCE HEATING MADE OF HEAT CONDUCTORS, ARRANGED BETWEEN SEVERAL LAYERS

Country Status (1)

Country Link
DE (1) DE7737437U1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2850323A1 (en) * 1978-11-20 1980-05-29 Bauerhin I G Elektro Tech Flexible resistance heating mat - has heating conductor enclosed between thermoplastics sheets thermally welded together
DE2908576A1 (en) * 1979-03-05 1980-09-11 Kabel Metallwerke Ghh Planar electric heating element - with zigzag loops embedded between two plastic fibre mats, used e.g. for car seats
DE10339087B4 (en) * 2003-08-26 2007-01-25 I.G. Bauerhin Gmbh, Elektrotechnische Werke Three-dimensionally deformable heating element, steering wheel heating and method for producing a steering wheel heating
DE10393985B4 (en) * 2003-01-31 2009-04-09 W.E.T. Automotive Systems Ag Heated handle and method for its manufacture
DE102009059114A1 (en) * 2009-12-18 2011-06-22 Continental Automotive GmbH, 30165 Mat for use between base and seat cover of vehicle seat, has heating element and electrode, which are sewn between two non-woven fabric layers such that heating element and electrode do not contact each other

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2850323A1 (en) * 1978-11-20 1980-05-29 Bauerhin I G Elektro Tech Flexible resistance heating mat - has heating conductor enclosed between thermoplastics sheets thermally welded together
DE2908576A1 (en) * 1979-03-05 1980-09-11 Kabel Metallwerke Ghh Planar electric heating element - with zigzag loops embedded between two plastic fibre mats, used e.g. for car seats
DE10393985B4 (en) * 2003-01-31 2009-04-09 W.E.T. Automotive Systems Ag Heated handle and method for its manufacture
DE10339087B4 (en) * 2003-08-26 2007-01-25 I.G. Bauerhin Gmbh, Elektrotechnische Werke Three-dimensionally deformable heating element, steering wheel heating and method for producing a steering wheel heating
US7329835B2 (en) 2003-08-26 2008-02-12 I.G. Bauerhin Gmbh Three dimensionally deformable heating element, steering-wheel heater and method for producing a steering-wheel heater
DE102009059114A1 (en) * 2009-12-18 2011-06-22 Continental Automotive GmbH, 30165 Mat for use between base and seat cover of vehicle seat, has heating element and electrode, which are sewn between two non-woven fabric layers such that heating element and electrode do not contact each other

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