WO1999026456A1 - Element chauffant plat et corps generateur de chaleur plat - Google Patents

Element chauffant plat et corps generateur de chaleur plat Download PDF

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Publication number
WO1999026456A1
WO1999026456A1 PCT/JP1998/005133 JP9805133W WO9926456A1 WO 1999026456 A1 WO1999026456 A1 WO 1999026456A1 JP 9805133 W JP9805133 W JP 9805133W WO 9926456 A1 WO9926456 A1 WO 9926456A1
Authority
WO
WIPO (PCT)
Prior art keywords
heating element
planar
base film
sheet
support
Prior art date
Application number
PCT/JP1998/005133
Other languages
English (en)
Japanese (ja)
Inventor
Kunio Tanaka
Sumio Aoki
Original Assignee
Teijin Limited
Teijin Shokusan Co., Ltd.
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 Teijin Limited, Teijin Shokusan Co., Ltd. filed Critical Teijin Limited
Publication of WO1999026456A1 publication Critical patent/WO1999026456A1/fr

Links

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
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
    • 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
    • H05B3/36—Heating 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
    • 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
    • H05B2203/003—Heaters using a particular layout for the resistive material or resistive elements using serpentine layout
    • 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
    • H05B2203/005—Heaters using a particular layout for the resistive material or resistive elements using multiple resistive elements or resistive zones isolated from each other
    • 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
    • H05B2203/011—Heaters using laterally extending conductive material as connecting means
    • 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
    • H05B2203/033—Heater including particular mechanical reinforcing means

Definitions

  • the present invention relates to a sheet heater, and more particularly, to a sheet heater which is tough, excellent in bending resistance and easy to manufacture, and a sheet heating element therefor.
  • a sheet heater in which a heating wire whose core yarn is covered with a synthetic resin in which conductive particles such as carbon particles and metal particles are dispersed is made to creep on the surface of the substrate.
  • the conductive layer coated around the core yarn is energized to generate heat, but the material used for this kind of conductive layer is generally an electric resistance value. Is small, and there is a problem that a sufficient amount of heat cannot be obtained.
  • the conductive layer made of a synthetic resin in which conductive particles are dispersed is generally low in flexibility, it is difficult to bend with a small radius of curvature, and it is forcibly bent. And the conductive layer may be peeled off. Disclosure of the invention
  • the present invention has been conceived in order to solve the related problems, and it is an object of the present invention to make the heating element itself thin and lightweight, but also tough and tough. It is intended to provide a sheet heater excellent in foldability and easy to manufacture.
  • a twisted electric resistor formed by stitching a fiber made of a conductive material and a fiber made of a non-conductive material is attached to one surface of a flat support.
  • a sheet heating element extending and fixed along the first heating element; a first flexible outer covering layer covering a surface on which the twisted electric resistance element extends and is fixed on the support;
  • a planar heater comprising: a flexible second covering layer that covers a surface on the opposite side of a surface on which the twisted electric resistor is extended and fixed.
  • the first and second cover layers are fixed to each other along the peripheral edge of the sheet heating element, and the sheet heating element is provided.
  • the layers are laminated so that they can be freely deformed in each area. More specifically, the first and second outer layers and the sheet heating element are in close contact with each other in a free state, but are not integrally connected and have a relatively small force, for example, It can be easily separated with just enough force to be applied manually.
  • the twisted electric resistor itself has flexibility, even if it is bent with a small radius of curvature, the twisted electric resistor may be broken or cut. This is rare.
  • the support is a base film, and the twisted electric resistance is extended and sewn to meander along one surface of the base film.
  • the thickness of the sheet heating element itself is small because the base film is flexible and the twisted electric resistor is sewn and fixed. It is thin and lightweight. In addition, it is easier and more efficient to sew and fix twisted electric resistors with an industrial sewing machine. And can be done.
  • a polyster film having excellent heat resistance and insulation properties is preferably used.
  • the conductive fiber is made of a finite length stainless steel fiber
  • the non-conductive fiber is made of a finite length polyamide fiber
  • the stranded electric resistance is
  • the body can contain from 20 to 80% by weight of the stainless steel fiber and from 80 to 20% by weight of the polyamide fiber. By selecting an appropriate value, a desired volume resistivity can be obtained.
  • the base film is made of a material that is incompatible with the first jacket layer, and covers a surface of the base film on which the yarn electrical resistor extends and is fixed.
  • the first cover film is made of a material that is incompatible with the second cover layer, and the first force film is formed on the base film.
  • a second cover fin can be provided to cover the surface opposite to the surface covered by the cover.
  • the surface heating element can have a desired predetermined area.
  • FIG. 1 is a plan view including a partial cross section of a planar heater according to the first embodiment of the present invention.
  • FIG. 2 is a plan view including a partial cross section of the planar heating element according to the first embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of the sheet heating element of FIG.
  • FIG. 4 is an explanatory view showing the structure of the twisted electric resistor.
  • FIG. 5 is a cross-sectional view taken along the line V--V in FIG.
  • FIG. 6 is a plan view including a partial cross section of the sheet heating element according to the second embodiment of the present invention.
  • FIG. 7 is a plan view including a partial cross section of a planar heating element according to the third embodiment of the present invention.
  • FIG. 8 is a partial sectional view taken along the line V 1 H-VIII in FIG. 7, and FIG. 9 is a side view of the twisted electric resistor according to the fourth embodiment of the present invention.
  • FIG. 10 is a partial cross-sectional view of a planar heater according to the fifth embodiment of the present invention.
  • FIG. 11 is a partial cross-sectional view of a planar heater according to the sixth embodiment of the present invention.
  • FIG. 12 is a partial cross-sectional view of a planar heater according to a seventh embodiment of the present invention.
  • FIG. 13 is a partial cross-sectional view of the planar heater according to the eighth embodiment of the present invention.
  • the sheet heater 100 is made up of a sheet heating element 10, and first and second covering layers 100 2 covering both surfaces of the sheet heating element 10. , 104.
  • the first and second jacket layers can be formed from a flexible, non-conductive material, preferably a synthetic rubber.
  • the sheet heating element 10 includes a band-shaped base film 11 and a twisted electric resistance attached to one surface of the base film 11. And the body 12.
  • the twisted electric resistor 1 2 is It extends along a meandering path on one surface of the lum 11 and is sewn to the base film 11 by a fastening thread 17.
  • the surface of the base film 11 on which the twisted electric resistors 12 are provided is covered with the first canopy film 14 and the opposite surface. Is covered by a second cover film 15.
  • the twisted electric resistor 12 can be easily and efficiently used, for example, by using an industrial machine with the twisted electric resistor 12 as the upper thread and the fastening thread 17 as the lower thread. It can be sewn to film 11.
  • the twisted electric resistor 12 is formed by staggering a discontinuous fiber 21 made of a conductive material and a discontinuous fiber 22 made of a non-conductive material. It has been done.
  • the preferred and rather, conductive discontinuous fibers 2 that Yusuke and 1 0 one 5 ⁇ 1 0 _ 6 ⁇ ⁇ cm volume resistivity of O over loaders, and diameters in the range of 4 ⁇ 3 0 m It can be obtained by drawing stainless steel filaments to a specified length. Stainless steel fibers with a diameter greater than 3
  • the conductive discontinuous fibers 21 preferably have an average fiber length of 100 nm! It has a length in the range of ⁇ 800 mm.
  • the average fiber length is less than 100 mm, the number of contact points between the conductive discontinuous fibers 21 in the twisted electric resistor 12 decreases and becomes unstable, resulting in uniform electric power. This causes a problem that the resistance value cannot be obtained.
  • the length of the conductive discontinuous fiber 21 exceeds 800 mm, the number of contact points between the conductive discontinuous fibers 21 decreases, and the electrical resistance value decreases. There is a problem that the volume resistivity cannot be obtained.
  • Conductive discontinuous fibers 2 1 nonconductive to blended discontinuous fibers 2 2 (see FIG. 4), and the this volume resistivity of that is that to form et or 1 0 1 2 Omega ⁇ cm or more materials
  • synthetic fibers, regenerated fibers, and natural fibers can be used.
  • wholly aromatic polyamides have high heat resistance Therefore, it is preferable that the electric resistance is not deteriorated or ignited by the temperature rise due to the heat generation of the twisted electric resistor 12.
  • fibers made of heat-resistant polymers such as polybenzimidazole, polyimid, and polyetheretherketone can be used. It is.
  • the conductive discontinuous fiber 21 has an arbitrary spinning ratio of 20 to 80 weight of the total weight of the yarn and is perpendicular to the central axis of the twisted electric resistor 12.
  • the conductive discontinuous fibers 21 and the non-conductive discontinuous fibers 22 are blended so that 20 or more fibers are included in the cross section. If the number of conductive discontinuous fibers 21 is less than 20, it is difficult to increase the number of contact points between the conductive discontinuous fibers 21 to a desired number or more, and a uniform volume resistivity value is obtained. Powers that are difficult to obtain.
  • the twisted electric resistor 12 composed of the conductive discontinuous fiber 21 and the non-conductive discontinuous fiber 22 is, for example, a long fiber of stainless steel and an aromatic aromatic polyester.
  • the non-conductive fibers made of mid are drawn together and stretched several times to several tens times to perform the traction, and then the compressed air nozzle is used. It can be formed by entangled into a fiber bundle. The details of such a process are disclosed, for example, in Japanese Patent Application Laid-Open No. HEI 4-19040 and Japanese Patent Publication No. Hei 5-718157. Is referred to as an integral part of the present specification.
  • the twisted electric resistor 12 is provided with lower combustion having a twist coefficient K, in the range of 6500 to 1350.
  • a twist coefficient K in the range of 6500 to 1350.
  • the twist coefficient K is less than 650, the rate of change of the volume resistivity of the heating element code is large.
  • the twist coefficient i. This increases torque and reduces handleability, which is not preferred.
  • the twisted electric resistor 12 is preferably further provided with an upper twist in a direction opposite to the lower twist.
  • the twisting coefficient K 2 needs to satisfy the above equation (1).
  • the balance between the ply twist and the ply twist of the twisted electric resistor 12 is particularly important.
  • thermoplastic fibers such as synthetic fibers are usually twisted to prevent twisting, but twisted yarns containing stainless steel fibers are used as conductive discontinuous fibers.
  • the balance of the twist is important because it is not possible to carry out the heat setting.
  • the volume specific resistance value of the twisted electric resistor 12 be in the range of 0.5 to 10 ⁇ ⁇ cm. If the volume resistivity of the twisted electric resistor 12 exceeds 10 ⁇ ⁇ cm, a sufficient heat generation density cannot be obtained, while if it is less than 0.5 ⁇ ⁇ cm, the heat generation density becomes excessive. Further, with the twisted electric resistor 12, the coefficient of variation of the resistance value C V% can be reduced, and a C V 10 (%) can be obtained.
  • the fastening yarn 17 it is preferable to use a fiber of the same system as the non-conductive fiber mixed with the twisted electric resistor 12.
  • the base film 11 and the first and second cover films 14a and 14b can be formed from a poly ster film having excellent insulation properties. It is possible.
  • the sheet heating element 10 thus formed is applied with a voltage between both ends 15 and 16 of the twisted electric resistor 12 by an appropriate power supply device (not shown). As a result, the twisted electric resistor 12 generates heat.
  • the sheet heater 100 is provided with two sheet heating elements 10 arranged in parallel, and the sheet heating element 10 is provided with a twisted electric resistor 12 in the sheet heating element 10.
  • the first covering layer 10 2 covering the surface and the planar heating element 10
  • a second covering layer 104 covering the surface on the opposite side of the surface on which the twisted electric resistor 12 is provided.
  • the sheet heater 100 may include one sheet heating element 10. Furthermore, by arranging three or more sheet heating elements 10 in parallel, the area of the heater 100 can be enlarged to a desired size. You. In this case, the terminals 15 and 16 of the sheet heating element 10 are connected to the electrode terminals 106 and 108, and a parallel circuit is formed by the plurality of sheet heating elements 10.
  • the first and second outer layers 102, 104 are formed of a flexible synthetic rubber, and are formed by a well-known technique such as thermocompression bonding. They are fixed to each other along the periphery.
  • area I indicates an area where the sheet heating element 10 is provided.
  • the region 11 is a region where the first and second outer layers 100 2 and 104 are connected to the body at the peripheral portion of the sheet heater 100.
  • the peripheral button This is called the storage area.
  • the region III is a region in which the first and second outer layers 102 and 104 are connected to the body between the sheet heating elements 10 and is hereinafter referred to as an intermediate bond region. .
  • the canopy films 14a and 14b can be formed, preferably by a polyester film.
  • the polystyrene film is shown in FIG. 5 because it is not compatible with the synthetic rubber material forming the first and second outer layers 102, 104.
  • the first and second canopy layers are manually formed. Attach to the first and second cover films 14a, 14b to such an extent that they can be easily peeled off from the one finale 14a, 14b.
  • This state is the state of the surface heater 100 A small piece is cut by cutting the area I where the linear heating element 10 is present so as not to include the peripheral bond area II or the intermediate bond area III at a square of about 10 cm. Then, the first and second outer layers 102 and 104 of the small piece stably adhere to the sheet heating element 10 stably in a free state where no force is applied. It was confirmed that each jacket layer could be easily peeled off by manual operation.
  • the flexibility of the sheet heater 100 can be improved. For example, it is possible to roll the sheet-shaped surface 100 in a roll shape for transportation and storage. This is because, when the sheet heater 100 is curved, the first and second cover layers 102 and 104 become the first and second cover films 1 and 2. It is considered that this is because each of the coating layers can be deformed independently, being microscopically separated from 4a and 14b.
  • the first and second outer cover layers 102 and 104 are firmly connected to each other, so that a planar state is obtained.
  • the strength of the heater 100 is increased, the shape is maintained, and the durability is enhanced.
  • the twisted electric resistor 12 itself has flexibility, even if it is bent with a small radius of curvature, the twisted electric resistor is used.
  • the spouse body 1 2 does not break or cut.
  • the sheet heating element 10 is obtained by sewing and fixing a soft twisted electric resistor on one surface of the base film 11, the sheet heating element 10 is formed. 0 is thin and lightweight.
  • the sheet heater 100 includes a plurality of sheet heating elements 10, but is replaced with a single sheet heating element 30 shown in FIG. 6. You can also do it.
  • the planar heating element 30 includes a base film. 36, a plurality of twisted electric resistors 12 extending along a plurality of meandering paths on one surface.
  • the electric resistor 12 can be sewn to the base film 36 as shown in FIG.
  • the plurality of electric resistors 12 are connected in parallel by leads 42a and 42b.
  • the surface of the sheet heating element 30 on which the electric resistor 12 is provided is covered with the first cover film 38, and the electric resistor 12 on the opposite side is provided. The other side is covered by the second cover film 34.
  • a slit 40 extending through the first cover film 38, the base film, and the second cover film 34 is provided between the plurality of electric resistors 12. It is formed.
  • the sheet heater (not shown) having the sheet heating element 30 is made of a material for forming the first and second jacket layers on the slit 40, for example, a synthetic rubber. Enter and are connected to each other, and perform the same operation as the intermediate band region III (see FIG. 5) in the first embodiment.
  • the third embodiment is similar to the first and second embodiments except that a lattice-shaped support is used instead of the base films 12 and 36 in the first and second embodiments.
  • the configuration is the same as that of the second embodiment. That is, the planar heating element 50 according to the third embodiment is a twisted electric resistance element that is extended and fixed along a meandering path on one surface of the lattice-shaped support body 52. It has 1 2.
  • the electric resistor 12 is fastened to the support 52 by a fastening thread 58.
  • the support 52 is formed in a lattice shape from a synthetic resin having flexibility and heat resistance.
  • the first cover film 54 The surface of the support 52 on which the electric resistor 12 is provided is covered by the first cover film 54, and the opposite surface is covered by the second cover film 54. Covered with film 56.
  • the first and second cover fins 54 and 56 are provided with the first and second cover layers 1 and 2 of the sheet heater 100. 0 2, 1
  • it is formed from a synthetic resin material that is incompatible with synthetic rubber, for example, a polyester.
  • the bare twisted electric resistor 12 is used, but as shown in FIG. 9, a protective layer is provided on the surface of the twisted electric resistor 12.
  • the twisted electric resistor 12 includes a double insulating layer 62 made of a synthetic resin insulating material, and a heat-resistant synthetic fiber round braid. It is covered with a covering layer 64 composed of the above.
  • the insulating layer 62 is preferably formed of a polyvinyl chloride, and the outer layer 64 is formed of a monofilament such as polyester, polyamide, or polyether. And, more preferably, monofilament cartridges made of Polyester.
  • the sheet heater 200 according to the fifth embodiment includes the sheet heating elements 10; 30; 50 according to any one of the first to third embodiments.
  • the heat generated in the planar heat generators 10; 30; 50 is transferred to the first envelope layer 112 more.
  • the planar heater 300 according to the sixth embodiment is formed substantially in the same manner as the planar heater 200 of the fifth embodiment, and the first to third planar heaters are formed.
  • the planar heating element 10; 30; 50 according to any one of the embodiments, and the twisted electric resistance element 12 are provided in the planar heating element 10; 30; 50.
  • a first cover layer that covers the surface on which the twisted electric resistor 1 is not provided; and a second cover layer 114 that covers the surface on which the twisted electric resistor 1 is not provided.
  • the sheet heater 300 according to the sixth embodiment has a heat between the first cover layer 112 and the sheet heating element 103; 50.
  • a heat conductive layer 310 made of a material having high conductivity, for example, a metal such as aluminum is provided. As a result, the amount of heat transferred to the first jacket layer 112 is made uniform.
  • the planar heater 400 according to the seventh embodiment is formed substantially identical to the planar heater 200 of the fifth embodiment, and the first to third planar heaters are similar to the planar heater 200 according to the fifth embodiment.
  • the sheet heater 400 according to the seventh embodiment has a temperature between the second jacket layer 114 and the sheet heating elements 10; 30; 50.
  • a sensor 410 is provided, which can detect abnormal heat generation and cut off the current to improve safety.
  • the planar heater 500 according to the eighth embodiment is formed substantially the same as the planar heater 200 of the fifth embodiment, and the first to third planar heaters are the same.
  • a first jacket layer 112 covers the surface on which the twisted electric resistor 12 is not provided, and a second jacket layer 114 covers the surface where the twisted electric resistor 12 is not provided.
  • the sheet heater 500 according to the eighth embodiment has a force kit 5110 bonded or bonded to the outer surface of the first jacket layer 112. It is attached using known methods such as thermocompression bonding.
  • the force unit 510 is formed by implanting the pile 514 on the fabric 521, It may be formed of an object, a nonwoven fabric, or the like.
  • the first outer layer 112 is formed thinner than the second outer layer 114, but the first and second outer layers 111 are different from each other.
  • the outer layers 1 12 and 1 14 may have the same thickness.

Landscapes

  • Surface Heating Bodies (AREA)

Abstract

L'invention concerne un élément chauffant plat, qui comprend un corps générateur de chaleur. Pour fabriquer ledit corps, on dispose sur une surface d'un support plat une résistance électrique de type fil torsadé, que l'on forme par torsadage d'une fibre constituée d'un matériau électriquement conducteur et d'une fibre constituée d'un matériau électriquement non conducteur, puis on fixe ladite résistance sur ladite surface. Une première couche de protection souple recouvre la surface du support sur laquelle est fixée la résistance. Une seconde couche de protection souple recouvre la surface du support opposée à la surface sur laquelle est fixée la résistance. La première et la seconde couche sont fixées l'une sur l'autre sur les bords du corps générateur de chaleur plat et peuvent se déformer indépendamment dans la zone où se trouve ledit corps.
PCT/JP1998/005133 1997-11-13 1998-11-13 Element chauffant plat et corps generateur de chaleur plat WO1999026456A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP9/327213 1997-11-13
JP9/327214 1997-11-13
JP32721497 1997-11-13
JP32721397 1997-11-13

Publications (1)

Publication Number Publication Date
WO1999026456A1 true WO1999026456A1 (fr) 1999-05-27

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PCT/JP1998/005133 WO1999026456A1 (fr) 1997-11-13 1998-11-13 Element chauffant plat et corps generateur de chaleur plat

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014091710A1 (fr) * 2012-12-11 2014-06-19 パナソニック株式会社 Elément chauffant de siège et revêtement de siège le comportant

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58135891U (ja) * 1982-03-09 1983-09-12 日本電熱株式会社 面発熱体
JPS5999390U (ja) * 1982-12-24 1984-07-05 松下電器産業株式会社 シ−トヒ−タ
JPS59154789A (ja) * 1983-02-22 1984-09-03 セイコーエプソン株式会社 半導体加熱装置
JPS59161285U (ja) * 1983-04-13 1984-10-29 佐藤　亮拿 柔軟な面発熱体
JPS59164187U (ja) * 1983-04-19 1984-11-02 株式会社日立ホームテック フロアヒ−タ
JPS6014785A (ja) * 1983-07-04 1985-01-25 松下電器産業株式会社 車輌用シ−トヒ−タ
JPS6273494U (fr) * 1985-10-29 1987-05-11
JPH0259927U (fr) * 1988-10-26 1990-05-01
JPH0321602U (fr) * 1989-06-30 1991-03-05
JPH0448861U (fr) * 1990-08-29 1992-04-24
JPH078992U (ja) * 1993-07-16 1995-02-07 株式会社岡崎製作所 面状発熱体

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58135891U (ja) * 1982-03-09 1983-09-12 日本電熱株式会社 面発熱体
JPS5999390U (ja) * 1982-12-24 1984-07-05 松下電器産業株式会社 シ−トヒ−タ
JPS59154789A (ja) * 1983-02-22 1984-09-03 セイコーエプソン株式会社 半導体加熱装置
JPS59161285U (ja) * 1983-04-13 1984-10-29 佐藤　亮拿 柔軟な面発熱体
JPS59164187U (ja) * 1983-04-19 1984-11-02 株式会社日立ホームテック フロアヒ−タ
JPS6014785A (ja) * 1983-07-04 1985-01-25 松下電器産業株式会社 車輌用シ−トヒ−タ
JPS6273494U (fr) * 1985-10-29 1987-05-11
JPH0259927U (fr) * 1988-10-26 1990-05-01
JPH0321602U (fr) * 1989-06-30 1991-03-05
JPH0448861U (fr) * 1990-08-29 1992-04-24
JPH078992U (ja) * 1993-07-16 1995-02-07 株式会社岡崎製作所 面状発熱体

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014091710A1 (fr) * 2012-12-11 2014-06-19 パナソニック株式会社 Elément chauffant de siège et revêtement de siège le comportant
US9457701B2 (en) 2012-12-11 2016-10-04 Panasonic Intellectual Property Management Co., Ltd. Seat heater and seat cover with same
JPWO2014091710A1 (ja) * 2012-12-11 2017-01-05 パナソニックＩｐマネジメント株式会社 シートヒータおよびそれを備えるシートカバー

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