JPS63141285A - Panel heater and manufacture of the same - Google Patents
Panel heater and manufacture of the sameInfo
- Publication number
- JPS63141285A JPS63141285A JP28696586A JP28696586A JPS63141285A JP S63141285 A JPS63141285 A JP S63141285A JP 28696586 A JP28696586 A JP 28696586A JP 28696586 A JP28696586 A JP 28696586A JP S63141285 A JPS63141285 A JP S63141285A
- Authority
- JP
- Japan
- Prior art keywords
- heater
- mica
- glass frit
- melting glass
- low
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000010445 mica Substances 0.000 claims description 35
- 229910052618 mica group Inorganic materials 0.000 claims description 35
- 239000011521 glass Substances 0.000 claims description 19
- 238000002844 melting Methods 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 9
- 239000011888 foil Substances 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 3
- 238000010292 electrical insulation Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 description 11
- 239000003921 oil Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000001035 drying Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Surface Heating Bodies (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明は暖房器、調Ｊ！！！器、乾燥機器、サウナ等の
電気エネルギーを利用した機器の熱源としての面ヒータ
に関するものである。[Detailed Description of the Invention] Industrial Field of Application The present invention is applicable to heating devices, control J! ! ! The present invention relates to a surface heater as a heat source for appliances that utilize electrical energy, such as containers, drying equipment, and saunas.
従来の技術
近年、面ヒータは機器の薄型化、均一加熱などの要望に
あった発熱体として脚光をあびるようになり、従来から
次に示すような各種面ヒータが開発されている。BACKGROUND OF THE INVENTION In recent years, surface heaters have come into the spotlight as heating elements that meet the demands for thinner equipment and uniform heating, and various surface heaters have been developed as shown below.
（頃・ マイカなどの絶縁基板にヒータを巻回した構造
を有するもの。(A type that has a structure in which a heater is wound around an insulating substrate such as mica.
（２） アルミナ基板にタングステンなどの導電ペー
ストによって導電パターンを形成し、さらにその上にア
ルミナシートを貼り合わせて、一体成型した構造を有す
るもの。(2) A structure in which a conductive pattern is formed on an alumina substrate using a conductive paste such as tungsten, and an alumina sheet is then laminated on top of the conductive pattern to form an integral structure.
・（手 有機質フィルム（シリコン樹脂フィルム、ポ
リイミドフィルムなど）の間に導電パターンを形成し、
ラミネート化した構造を有するもの。・(Hand) Forming a conductive pattern between organic films (silicon resin film, polyimide film, etc.)
Something with a laminated structure.
などである。etc.
これらの面ヒータの中では価格的に安価な■のマイカな
どの絶縁基板にヒータを巻回した構造を有する通称マイ
カヒータがよく使用されている。Among these surface heaters, the so-called mica heater, which has a structure in which the heater is wound around an insulating substrate made of inexpensive mica or the like, is often used.
このマイカヒータは一般的には、マイカ板にリボン状の
発熱体を回き、これを絶縁マイカによってサンドインチ
状に一体化したものであり、トースター、ポット、保温
器などいろいろな製品に応用されている。Mica heaters generally consist of a ribbon-shaped heating element wrapped around a mica plate, which is then integrated into a sandwich shape with insulating mica, and is used in a variety of products such as toasters, pots, and warmers. There is.
発明が解決しようとする問題点
しかし、上記のようなマイカヒータでは、少なくとも三
枚のブイ力板を使用する必要があるために、必然的に熱
容量が大きくなり、被加熱物への熱伝達が遅れる問題が
あった。Problems to be Solved by the Invention However, in the mica heater as described above, it is necessary to use at least three buoy force plates, which inevitably increases the heat capacity and delays heat transfer to the object to be heated. There was a problem.
また、マイカ板に巻回された発熱体は封止されていない
ために、耐湿特性にも問題があり、さらにマイカ板と発
熱体が点接触であるために局部加熱による断線が起こる
など寿命的にも問題があった。Additionally, since the heating element wound around the mica plate is not sealed, there are problems with moisture resistance, and since the mica plate and the heating element are in point contact, wire breakage may occur due to local heating, which may shorten the service life of the heating element. There was also a problem.
本発明の目的は、上記のような問題点を解消し、被加熱
物への熱伝達が良く、耐久性があり、耐湿特性にも優れ
、また遠赤外線の放射特性を改汲し、自己浄化機能をも
備えた面ヒータを提供しようとするものである。The purpose of the present invention is to solve the above-mentioned problems, have good heat transfer to the heated object, be durable, have excellent moisture resistance, and improve the radiation characteristics of far infrared rays to achieve self-purification. The purpose is to provide a surface heater that also has functions.
問題点を解決するための手段
本発明は上記目的を達成するため第１発明として、絶縁
マイカに平滑な金属箔体からなるヒータエレメントを、
低溶融ガラスフリットからなる電気絶縁被膜によって密
着固定した面ヒータとした。Means for Solving the Problems In order to achieve the above object, the present invention provides, as a first invention, a heater element made of a smooth metal foil on insulating mica.
The surface heater is tightly fixed with an electrically insulating coating made of low-melting glass frit.
この第１発明の面ヒータの製造方法として、絶縁マイカ
に平滑な金属箔体からなるヒータエレメントを、低溶融
ガラスフリットとスキージ−オイルからなるペーストを
一次接着層として仮止めした後、絶縁マイカの裏側から
マグネットを当ててヒータエレメントを吸着固定し、そ
の上から前記と同一組成のペーストを塗布し、これを乾
燥、焼成してスキージ−オイルを揮散させ、低溶融ガラ
スフリットからなる電気絶縁被膜を形成する製造法を用
いた。As a method for manufacturing the surface heater of the first invention, a heater element made of a smooth metal foil is temporarily attached to insulating mica using a paste made of low-melting glass frit and squeegee oil as a primary adhesive layer, and then the insulating mica is A magnet is applied from the back side to attract and fix the heater element, and a paste with the same composition as above is applied on top of it, which is then dried and fired to evaporate the squeegee oil and form an electrically insulating coating made of low-melting glass frit. A manufacturing method of forming was used.
さらに第２発明として、絶縁マイカの片側に平滑な金属
箔体からなるヒータエレメントを低溶融ガラスフリット
からなる電気絶縁被膜によって密着固定し、他の側に熱
放射用金属板を接合した面ヒータとした。Furthermore, a second invention is a surface heater in which a heater element made of a smooth metal foil is closely fixed to one side of insulating mica with an electrical insulation coating made of low-melting glass frit, and a metal plate for heat radiation is bonded to the other side. did.
作用
本発明の第１発明の面ヒータでは、一枚の絶縁マイカに
平滑な金属箔体からなるヒータエレメントを低溶融ガラ
スフリットからなる電気絶縁被膜によって密着固定する
ことにより、面ヒータとしての熱容量が小さくなるので
、立上り時間が早くなり被加熱物への熱伝達がよくなる
。Function In the surface heater of the first aspect of the present invention, the heat capacity as a surface heater is increased by closely fixing the heater element made of a smooth metal foil to a single sheet of insulating mica with an electrically insulating coating made of low-melting glass frit. Since it is smaller, the rise time is faster and heat transfer to the heated object is improved.
また、絶縁マイカとヒータエレメントが低溶融ガラスフ
リットからなる電気絶縁被膜で封止され一体化されてい
るので、局部加熱による断線を防止し、熱伝導性がよく
なり、耐湿特性が改善された。Additionally, the insulating mica and heater element are sealed and integrated with an electrically insulating coating made of low-melting glass frit, which prevents disconnection due to localized heating, improves thermal conductivity, and improves moisture resistance.
第１発明の面ヒータの製造方法は、絶縁マイカ上に低溶
融ガラスフリットとスキージ−オイルからなるペースト
で−・軟接着層として、この上にヒータエレメントを仮
止めし、絶縁マイカの裏面からマグネットを当てて、ヒ
ータエレメントを吸着固定し、その上から前記と同一・
組成のペーストを塗布し、これを乾燥、焼成して低溶融
ガラスフリットとからなる電気絶縁被膜を形成すること
により完全に封止された構造を得られた。The method for manufacturing a surface heater of the first invention is to use a paste consisting of low-melting glass frit and squeegee oil on insulating mica as a soft adhesive layer, temporarily fixing the heater element on top of this, and then attaching a magnet from the back side of the insulating mica. , fix the heater element by suction, and then apply the same
A completely sealed structure was obtained by applying a paste of the composition, drying and firing it to form an electrically insulating film consisting of a low melting glass frit.
第２発明は絶縁マイカと熱放射用金属板を接合している
ので、放射面への熱伝達が改善された。In the second invention, since the insulating mica and the metal plate for heat radiation are bonded, heat transfer to the radiation surface is improved.
実施例
以下、本発明の一実施例を添付図面にもとすいて説明す
る。EXAMPLE Hereinafter, an example of the present invention will be described with reference to the accompanying drawings.
第１図は本発明面ヒータを示し、ｌは絶縁マイカ、２は
低溶融ガラスフリットからなる電気絶縁被膜、３はヒー
タエレメント、４は２と同一組成からなる電気絶縁被膜
を示し、２の電気絶縁被膜と共にヒータエレメント３を
密着固定している。FIG. 1 shows a surface heater of the present invention, where l is insulating mica, 2 is an electrically insulating coating made of low-melting glass frit, 3 is a heater element, 4 is an electrically insulating coating made of the same composition as 2, and 2's electrical The heater element 3 is tightly fixed together with the insulating coating.
（実施例１）
第２図は本発明の面ヒータの製造方法の一実施例を示す
もので、（ａ）工程において、１は絶縁マイカで、軟質
マイカを積層した合成マイカを用いたがＩｉ３！質マイ
カマイカ能である。（ｂ）工程では絶縁マイカｌに低溶
融ガラスフリットとして、 ＰｂＯ−９ｉＯλ−Ｂλ０
３系ガラスフリットを用いたものとスキージ−オイルを
混練したペーストをスクリーン印刷にて印刷して（約３
０１Ｌｍ）−軟接着層５を形成した。（Ｃ）工程で、３
はヒータエレメントを示し、低溶融ガラスフリットの一
次接着層５が未乾燥の状態で平滑な５ＵＳ４３０からな
るヒータエレメント３をのせる。（ｄ）工程では絶縁マ
イカ１の裏側からマグネット６を当ててヒータエレメン
ト３を吸着固定し、ヒータエレメント３の」；に−軟接
Ｈ層５と同一組成のペースト７をスクリーン印刷にて塗
布して、（ｅ）工程のような構造にし、乾燥後、焼成し
て（焼成温度５５０°Ｃ）第１図に示すような電気絶縁
被膜２．４を形成した。(Example 1) Figure 2 shows an example of the method for manufacturing a surface heater of the present invention. In step (a), 1 is insulating mica, and synthetic mica laminated with soft mica was used. ! The quality is Mica Mica Noh. In the step (b), PbO-9iOλ-Bλ0 is added to the insulating mica as a low-melting glass frit.
A paste made by kneading 3-series glass frit and squeegee oil was printed using screen printing (approx.
01Lm) - A soft adhesive layer 5 was formed. (C) In the step, 3
1 shows a heater element, on which a smooth heater element 3 made of 5US430 is placed on which the primary adhesive layer 5 of low-melting glass frit is undried. In the step (d), a magnet 6 is applied from the back side of the insulating mica 1 to attract and fix the heater element 3, and a paste 7 having the same composition as the soft contact H layer 5 is applied to the heater element 3 by screen printing. Then, the structure as in step (e) was prepared, and after drying, it was fired (firing temperature: 550°C) to form an electrically insulating film 2.4 as shown in FIG.
上記のような製造方法で１０個のサンプルを作成しテス
トを行なった結果、立上り時間が従来のマイカヒータに
比べて約１７２になった。As a result of making 10 samples using the manufacturing method described above and conducting tests, the rise time was approximately 172 times longer than that of conventional mica heaters.
（実施例２）
第３図は第２発明としての実施例を示すもので、実施例
１と同様の方法で製作した面ヒータの絶縁マイカ１の他
の側に熱放射用金属板８を無機接着剤９によって接合し
たものである。このようにして製作した面ヒータは熱放
射金属板８への熱伝達が早くなるとともに外部からの機
械的衝撃に強くなった。(Example 2) FIG. 3 shows an example as the second invention, in which a metal plate 8 for heat radiation is placed on the other side of the insulating mica 1 of a surface heater manufactured by the same method as in Example 1. They are joined using adhesive 9. The surface heater manufactured in this way has faster heat transfer to the heat radiating metal plate 8 and is more resistant to external mechanical shocks.
（実施例３）
第４図は第２発明としての他実施例で、熱放射金属板８
の片側に自己浄化型触媒層ｌＯを形成したものであり、
遠赤外線の放射特性を改善し、電子レンジオーブンやそ
の他の調理器などに応用した場合、３！Ｊ理物から飛散
する油を自己浄化するので、庫内面の汚れが防止できる
。(Embodiment 3) FIG. 4 shows another embodiment as the second invention, in which the heat radiation metal plate 8
A self-purifying catalyst layer lO is formed on one side of the
If the radiation characteristics of far infrared rays are improved and applied to microwave ovens and other cooking appliances, 3! Since it self-purifies the oil that scatters from the physical objects, it prevents stains on the inside of the refrigerator.
なお、自己浄化型触媒層ｌＯとしては塗装タイプのもの
を用いたが示−ロタイブのものでも可能である。Although a painted type was used as the self-purifying type catalyst layer 1O, it is also possible to use a transparent type.
発明の効果
本発明の第１発明の面ヒータによれば、ヒータエレメン
トを低溶融ガラスフリットからなる電気絶縁被膜によっ
て一枚の絶縁マイカに密着固定したので、立上り時間が
早くなり、被加熱物への熱伝達が大幅に改善された。Effects of the Invention According to the surface heater of the first aspect of the present invention, since the heater element is closely fixed to a single sheet of insulating mica using an electrically insulating coating made of low-melting glass frit, the rise time is quick and the heating element is not easily exposed to the heated object. heat transfer has been significantly improved.
また、ヒータエレメントが絶縁マイカに密着固定してい
るので局部加熱がなくなり、断線寿命が非常に長くなり
、電気絶縁被膜でヒータエレメントを封止しているので
耐湿特性が改善された。In addition, since the heater element is closely fixed to the insulating mica, there is no local heating and the lifespan of disconnection is extremely long, and the heater element is sealed with an electrically insulating film, which improves moisture resistance.
第１発明の面ヒータの製造方法として、絶縁マイカ上に
低溶融ガラスフリシトからなる電気絶縁被膜を形成する
場合、低溶融ガラスフリットとスキージ−オイルからな
るペーストを用い、−軟接着層として絶縁マイカ上に設
け、ヒータエレメントを仮止めし、このヒータエレメン
トをマグネットで吸着固定した状態で同一・組成のペー
ストを上から塗布して、乾燥、焼成してスキージ−オイ
ルを飛散することにより、ヒータエレメントを完全に封
止した構成を得ることができ、製造が簡単で耐温性に富
む構造を得ることができた。In the method for manufacturing the surface heater of the first invention, when forming an electrically insulating film made of low-melting glass frit on insulating mica, a paste made of low-melting glass frit and squeegee oil is used as a soft adhesive layer on the insulating mica. Temporarily fix the heater element, apply a paste of the same composition on top of the heater element, dry and bake it, and scatter the squeegee oil to fix the heater element. It was possible to obtain a completely sealed structure, which is easy to manufacture and has high temperature resistance.
第２発明として、前記面ヒータの絶縁マイカの片側に熱
放射用金属板が接合されているので、放射面への熱伝達
が早く機械的衝撃に強くなる等の効果がある。As a second aspect of the invention, since a heat radiating metal plate is bonded to one side of the insulating mica of the surface heater, heat transfer to the radiating surface is fast and the heater is resistant to mechanical shock.
第１図は本発明の第１発明の面ヒータの断面図、第２図
（ａ）〜（ｅ）は同面ヒータの製造法の一実施例を示す
断面図、第３図は本発明の第２発明の面ヒータとしての
実施例を示す断面図、第４図はさらに他実施例を示す断
面図である。
１・・・絶縁マイカ ２．４・・・電気絶縁被膜３・
・・ヒータエレメント ８・・・熱放射用金属坂出ｍ
ｉ人 松五電器産業株式会社
代理人 弁理士 大 島 −・ 公第１図
第２図
第３図
第４図FIG. 1 is a sectional view of a surface heater according to the first aspect of the present invention, FIGS. 2(a) to (e) are sectional views showing an embodiment of a method for manufacturing the same surface heater, and FIG. A sectional view showing an embodiment of the surface heater of the second invention, and FIG. 4 is a sectional view showing still another embodiment. 1... Insulating mica 2.4... Electrical insulation coating 3.
...Heater element 8...Metal slope m for heat radiation
Person: Shogo Denki Sangyo Co., Ltd. Agent Patent Attorney Oshima ---Public Figure 1 Figure 2 Figure 3 Figure 4
Claims (4)
メントを、低溶融ガラスフリットからなる電気絶縁被膜
によって密着固定したことを特徴とする面ヒータ。(1) A surface heater characterized in that a heater element made of a smooth metal foil is tightly fixed to insulating mica with an electrically insulating coating made of low-melting glass frit.
メントを、低溶融ガラスフリットとスキージ−オイルか
らなるペーストを一次接着層として仮止めした後、絶縁
マイカの裏側からマグネットを当ててヒータエレメント
を吸着固定し、その上から前記と同一組成のペーストを
塗布し、これを乾燥、焼成してスキージ−オイルを揮散
させ、低溶融ガラスフリットからなる電気絶縁被膜を形
成することを特徴とする面ヒータの製造法。(2) After temporarily fixing the heater element made of a smooth metal foil to the insulating mica using a paste made of low-melting glass frit and squeegee oil as a primary adhesive layer, attach the heater element by applying a magnet from the back side of the insulating mica. A surface heater characterized in that it is fixed by suction, a paste having the same composition as above is applied thereon, and this is dried and fired to volatilize the squeegee oil to form an electrically insulating film made of low-melting glass frit. manufacturing method.
タエレメントを低溶融ガラスフリットからなる電気絶縁
被膜によって密着固定し、他の側に熱放射用金属板を接
合したことを特徴とする面ヒータ。(3) A surface characterized in that a heater element made of a smooth metal foil is closely fixed to one side of the insulating mica with an electrical insulation coating made of low-melting glass frit, and a metal plate for heat radiation is bonded to the other side. heater.
した熱放射用金属板を用いた特許請求の範囲第３項記載
の面ヒータ。(4) A surface heater according to claim 3, which uses a heat radiating metal plate having a self-purifying catalyst layer formed on one side of the heat radiating metal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61286965A JPH0682559B2 (en) | 1986-12-01 | 1986-12-01 | Surface heater manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61286965A JPH0682559B2 (en) | 1986-12-01 | 1986-12-01 | Surface heater manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63141285A true JPS63141285A (en) | 1988-06-13 |
| JPH0682559B2 JPH0682559B2 (en) | 1994-10-19 |
Family
ID=17711245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61286965A Expired - Lifetime JPH0682559B2 (en) | 1986-12-01 | 1986-12-01 | Surface heater manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0682559B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0436976A (en) * | 1990-05-31 | 1992-02-06 | Matsushita Electric Ind Co Ltd | Surface heater and its manufacture |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55105294U (en) * | 1979-01-20 | 1980-07-23 | ||
| JPS58225592A (en) * | 1982-06-24 | 1983-12-27 | 松下電器産業株式会社 | Panel heater |
| JPS5925192U (en) * | 1982-08-06 | 1984-02-16 | 株式会社ヨ−ネツ | far infrared panel heater |
| JPS6095A (en) * | 1983-06-15 | 1985-01-05 | 松下電器産業株式会社 | High frequency heater |
| JPS61126791A (en) * | 1984-11-21 | 1986-06-14 | 凸版印刷株式会社 | Manufacture of surface heat generating body |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5925192B2 (en) * | 1980-03-05 | 1984-06-15 | 建設省土木研究所長 | Snowfall measuring device |
-
1986
- 1986-12-01 JP JP61286965A patent/JPH0682559B2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55105294U (en) * | 1979-01-20 | 1980-07-23 | ||
| JPS58225592A (en) * | 1982-06-24 | 1983-12-27 | 松下電器産業株式会社 | Panel heater |
| JPS5925192U (en) * | 1982-08-06 | 1984-02-16 | 株式会社ヨ−ネツ | far infrared panel heater |
| JPS6095A (en) * | 1983-06-15 | 1985-01-05 | 松下電器産業株式会社 | High frequency heater |
| JPS61126791A (en) * | 1984-11-21 | 1986-06-14 | 凸版印刷株式会社 | Manufacture of surface heat generating body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0436976A (en) * | 1990-05-31 | 1992-02-06 | Matsushita Electric Ind Co Ltd | Surface heater and its manufacture |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0682559B2 (en) | 1994-10-19 |
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