JPH02155186A - Far infrared radiating member - Google Patents
Far infrared radiating memberInfo
- Publication number
- JPH02155186A JPH02155186A JP30682888A JP30682888A JPH02155186A JP H02155186 A JPH02155186 A JP H02155186A JP 30682888 A JP30682888 A JP 30682888A JP 30682888 A JP30682888 A JP 30682888A JP H02155186 A JPH02155186 A JP H02155186A
- Authority
- JP
- Japan
- Prior art keywords
- far
- heating element
- al2o3
- infrared
- oxidizing
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 230000001590 oxidative effect Effects 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 17
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052593 corundum Inorganic materials 0.000 abstract description 6
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000011162 core material Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001120 nichrome Inorganic materials 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000002048 anodisation reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229910000108 silver(I,III) oxide Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000505 Al2TiO5 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical group [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910000953 kanthal Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000007721 medicinal effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Landscapes
- Resistance Heating (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、遠赤外線放射体の改良に関するものである。[Detailed description of the invention] [Industrial application field] The present invention relates to improvements in far-infrared radiators.
更に詳しくは、遠赤外線放射率の高いセラミックス材料
がヒータ一部から、急熱−急冷によっても剥離すること
なく、長期の使用に耐える遠赤外線放射体に関する。More specifically, the present invention relates to a far-infrared radiator that can withstand long-term use without being peeled off from a part of the heater by a ceramic material with a high far-infrared emissivity even when rapidly heated and cooled.
近年、遠赤外線を放射するヒーターの需要が増大してい
る。In recent years, demand for heaters that emit far-infrared rays has been increasing.
これらヒーターは、その表面に、遠赤外線放射率の高い
セラミックス材料が形成されており、その中でも酸化ア
ルミニウム（以下、Ａｇ２Ｏ３と称す）は好ましい材料
として利用されている。These heaters have a ceramic material having a high far-infrared emissivity formed on their surface, and among these, aluminum oxide (hereinafter referred to as Ag2O3) is used as a preferable material.
一般に、金属又はセラミックス基村上にＡｇ２Ｏ３等の
遠赤外線放射率の高いセラミックスを塗布、吹付、又は
溶射等によってコーティングしたものを、種々の熱源に
よって加熱する方式のヒーターが普及している。In general, heaters are in widespread use that heat a metal or ceramic substrate coated with a ceramic having a high far-infrared emissivity such as Ag2O3 by coating, spraying, or thermal spraying using various heat sources.
特開昭６０−１３４１２６号公報には、透明な基板上又
は金属基板上に炭化ケイ素ポリマー中に少なくともＺｒ
、Ｔｉ、Ｓｔ、Ｆｅ、Ｃｕ、Ｍｎ。JP-A-60-134126 discloses that at least Zr is present in a silicon carbide polymer on a transparent substrate or a metal substrate.
, Ti, St, Fe, Cu, Mn.
Ｎｉ等の金属酸化物を一種以上を分散混合した遠赤外線
輻射材を被覆した遠赤外線輻射体が開示されている。A far-infrared radiator coated with a far-infrared radiant material in which one or more types of metal oxides such as Ni are dispersed and mixed is disclosed.
又特開昭５７−４３０号公報には、コーディエライト組
織（２ＭｇＯ・２Ａｇ２０３
５ Ｓ ｉ ０２ ）にチタン酸アルミニウムを添加し
たセラミックで構成した発熱体を加熱する遠赤外線ガス
グリルが開示されている。Further, JP-A-57-430 discloses a far-infrared gas grill that heats a heating element made of ceramic in which aluminum titanate is added to a cordierite structure (2MgO.2Ag2035Si02).
特開昭６３−２５４００３号公報には、粉末状のセラミ
ックス製遠赤外線放射材料にセラミックス凝結用の凝結
剤及び水を加えて成形した遠赤外線放射物の成形体が開
示されている。Japanese Unexamined Patent Publication No. 63-254003 discloses a far-infrared emitting material molded by adding a coagulant for ceramic coagulation and water to a powdered ceramic far-infrared emitting material.
セラミックス製の遠赤外線放射材料自体を成形、加熱、
焼成したものは屈曲などの加工性がない。The ceramic far-infrared emitting material itself is molded, heated,
The fired product has no workability such as bending.
また金属基体等の表面に塗布、吹付等によってコーティ
ングされたＡｇ２Ｏ３等のセラミックス材料は、基材と
の熱膨張率の差違が原因となり、急熱−急冷の熱サイク
ルによって剥離し易いという問題点があった。Furthermore, ceramic materials such as Ag2O3 coated on the surface of metal substrates by painting, spraying, etc. have the problem of being easily peeled off due to the thermal cycle of rapid heating and cooling due to the difference in thermal expansion coefficient with the base material. there were.
また、この問題点を解決しようとして、粘土等の無機バ
インダーをはじめ、Ａｇ２Ｏ３に種々の他材料を配合し
たものが、遠赤外線放射体とじて利用されてきたが、こ
れはＡｇ２Ｏ３が持つ遠赤外線放射体としての好ましい
特性を若干低減させるだけではなく、急熱−急冷の熱サ
イクルに対する耐剥離性についても、未だ不十分であっ
た。In addition, in an attempt to solve this problem, materials made by blending Ag2O3 with various other materials, including inorganic binders such as clay, have been used as far-infrared radiators; Not only did the desirable properties as a body decrease slightly, but also the peeling resistance against rapid heating-quenching thermal cycles was still insufficient.
さらに従来の遠赤外線放射体は、Ａｇ２Ｏ３等からなる
遠赤外線放射部と基材及び発熱体との密着性が不十分な
ことから、−度作製した遠赤外線放射体を、所望の形状
へ再加工することが困難であるという問題点があった。Furthermore, in conventional far-infrared radiators, the adhesion between the far-infrared rays emitting part made of Ag2O3, etc., and the base material and heating element is insufficient, so the far-infrared rays radiator is reprocessed into the desired shape. The problem was that it was difficult to do so.
本発明は、前記課題を解決するためになされたもので、
その目的とする所は、従来使用されているＡ ｆｌ ２
０３からなる遠赤外線放射体よりも、更に耐剥離性に優
れ、しかも機械的な密着性にも優れて再加工が容易なＡ
ｇ２Ｏ３からなる遠赤外線放射体を提供することである
。The present invention has been made to solve the above problems,
Its purpose is to use the conventionally used A fl 2
A that has even better peeling resistance than the far infrared radiator made of 03, has excellent mechanical adhesion, and is easy to reprocess.
An object of the present invention is to provide a far-infrared radiator made of g2O3.
本発明は芯部が金属発熱体で形成され、中間部がアルミ
ニウム金属で形成され、外面被覆部が、中間部のアルミ
ニウムを酸化して得られる酸化アルミニウムで形成され
てなる遠赤外線放射体である。The present invention is a far-infrared radiator in which the core is made of a metal heating element, the middle part is made of aluminum metal, and the outer covering part is made of aluminum oxide obtained by oxidizing the aluminum in the middle part. .
芯部の金属発熱体としては、ニクロム合金（Ｎｉ ７
７’〜７９％、Ｃｒ １９〜２０％、Ｆｅｅｌ、Ｑ、Ｍ
ｎ＜２．５、Ｃ０，２５、Ｓｔ ０．７５〜１．５）
、カンタル合金（Ｃｒ２０〜３０％、Ｃｏ２．５％、Ａ
１１．５〜５．０％、残部Ｆｅ）等が挙げられる。電気
抵抗加熱により発熱する金属であれば何でもよい。The metal heating element in the core is made of nichrome alloy (Ni 7
7'~79%, Cr 19~20%, Feel, Q, M
n<2.5, C0.25, St 0.75-1.5)
, Kanthal alloy (Cr20-30%, Co2.5%, A
11.5 to 5.0%, balance Fe), and the like. Any metal may be used as long as it generates heat through electrical resistance heating.
この金属発熱体表面にアルミニウム（以下Ａｌと称す）
を被覆する方法としては、溶融メツキ法、造管法、押し
出し法、パイプ法などの種々の方法を用いることができ
る。Aluminum (hereinafter referred to as Al) is placed on the surface of this metal heating element.
Various methods such as melt plating, pipe forming, extrusion, and pipe methods can be used to coat the surface.
本発明においては、この外面被覆部を、中間部のＡｇを
酸化して得られるＡｇ２ｏ３で形成する。In the present invention, this outer surface covering portion is formed of Ag2o3 obtained by oxidizing Ag in the intermediate portion.
このＡｌ２Ｏ３の形成には、空気中で高温に加熱しても
よいが、希酸溶液中で電解による陽極酸化処理を行って
Ａ ＩＩ ２ Ｏａ層を形成させるのが、緻密なＡｇ２
Ｏ３層が形成できるので好ましい。To form this Al2O3, it is possible to heat it to a high temperature in the air, but it is better to perform anodization treatment by electrolysis in a dilute acid solution to form a dense Ag2Oa layer.
This is preferred because an O3 layer can be formed.
希酸としては希硫酸、希りロム藤、希シュウ酸などが使
用できる。As the dilute acid, dilute sulfuric acid, diluted sulfuric acid, diluted oxalic acid, etc. can be used.
第１図は本発明の遠赤外線放射体の断面拡大図である。FIG. 1 is an enlarged cross-sectional view of the far-infrared radiator of the present invention.
本発明において、芯材として金属発熱体を用いたのは、
その外面にへΩ被覆後に金属加工が可能なため、ＡｆＩ
被覆部との密着性を良好にすることができ、再加工し易
いためである。In the present invention, the metal heating element is used as the core material because
Since metal processing is possible after coating the outer surface of AfI
This is because it can improve the adhesion with the covering portion and is easy to reprocess.
また、Ａｇ２Ｏ３を中間部Ａｊ７の酸化から得られるも
のとしたのは、１基材上に、単にＡｇ２Ｏ３を塗布、吹
付等によって、コーティングしても密着性が悪く、剥離
し易いためである。Furthermore, the reason why Ag2O3 is obtained from the oxidation of the intermediate portion Aj7 is because even if Ag2O3 is coated on a base material by simply applying, spraying, etc., the adhesion is poor and it is easy to peel off.
本発明者らは、種々の金属基材に種々の方法でＡｇ２Ｏ
３をコーティングして、その熱サイクルに対する耐剥離
性および機械的密着性を調べた。The present inventors applied Ag2O to various metal substrates by various methods.
No. 3 was coated, and its peeling resistance and mechanical adhesion against thermal cycles were investigated.
その結果、Ａｌを基材とし、このＡΩ基材自身を酸化し
て得られるＡｇ２Ｏ３はＡ、１７基材との機械的な密着
性に優れ、しかも熱サイクルに対する耐剥離性にも非常
に優れていることが判った。As a result, Ag2O3, which is obtained by oxidizing the AΩ base material itself using Al as a base material, has excellent mechanical adhesion to the A, 17 base material, and also has excellent peeling resistance against thermal cycles. It turned out that there was.
Ａ ＩＩ ２０３を得るためのＡｇ７の酸化処理は、発
熱体にＡｆｉを被覆した後に施せるために、発熱体にニ
クロム合金等の金属を用いれば、発熱体にＡＮを被覆し
た材料について、伸線加工又は圧延加工等の金属加工を
施すことが可能になる。この金属加工が施せることによ
り、発熱体とＡｇの機械的な密着性が非常に向上する。The oxidation treatment of Ag7 to obtain A II 203 can be performed after the heating element is coated with Afi, so if a metal such as nichrome alloy is used for the heating element, wire drawing processing can be performed on the material coated with AN on the heating element. Alternatively, it becomes possible to perform metal processing such as rolling. By performing this metal processing, the mechanical adhesion between the heating element and Ag is greatly improved.
このように、ｉとＡｇ２Ｏ３及びＡＪと発熱体の機械的
な密着性が優れていること、並びにＡｇ２Ｏ３が剥離し
たとしても、中間部を形成しているＡＩを酸化すること
で、Ａ Ｄ ２０ ｓを再生することができるために、
本発明の遠赤外線放射体は再加工が容易である。In this way, the mechanical adhesion between i and Ag2O3 and AJ and the heating element is excellent, and even if Ag2O3 peels off, by oxidizing the AI forming the intermediate part, A D 20 s In order to be able to play
The far-infrared radiator of the present invention can be easily reprocessed.
本発明はその外表面のＡｇ２Ｏ３を、その陽極酸化時に
おけるそれ自体着色せしめたり、その他耐熱性顔料等の
添加により適宜着色しても差し支えない。In the present invention, the Ag2O3 on the outer surface may be colored itself during anodization, or may be colored appropriately by adding a heat-resistant pigment or the like.
以下に本発明を実施例、比較例によって、より具体的に
説明するが、本発明は、この実施例によって限定される
ものではない。The present invention will be explained in more detail below using Examples and Comparative Examples, but the present invention is not limited to these Examples.
（実施例）
Ａｇパイプ中にニクロム合金ロッドを充填した後、Ａｇ
肉厚が０．１ｍｍ、外径２．６ｍ＋＊の線材となるまで
伸線加工した。(Example) After filling the Ag pipe with nichrome alloy rod, the Ag
The wire was drawn until it became a wire rod with a wall thickness of 0.1 mm and an outer diameter of 2.6 m+*.
この線＋４に１０℃以下の２５容量％の硫酸水溶液中で
陽極酸化処理を行い、線材表面に８０μｍ厚のＡｇ２Ｏ
３層を形成し、本発明の遠赤外線放射体を作製した。This wire +4 was anodized in a 25 volume % sulfuric acid aqueous solution at 10°C or less, and the wire surface was coated with 80 μm thick Ag2O.
Three layers were formed to produce a far-infrared ray emitter of the present invention.
（比較例１）
Ａ４７８１１表面に、ＡΩ２０３９５％十本節粘土５％
の配合粉末に適当量の水を加え、適当粘度のスラリーに
して吹き付けた後、乾燥してコーティングとした。また
パイプの中に炭化ケイ素（カーボンランダム、５ｔＣ）
棒状体を発熱体として挿入した。第２図は、この放射体
の長さ方向の軸を含む面で截った断面図を示す。(Comparative Example 1) A47811 surface, AΩ20395% Jubonbushi clay 5%
An appropriate amount of water was added to the mixed powder to form a slurry of an appropriate viscosity, which was then sprayed and dried to form a coating. Also, silicon carbide (carbon random, 5tC) is inside the pipe.
A rod-shaped body was inserted as a heating element. FIG. 2 shows a cross-sectional view taken along a plane containing the longitudinal axis of this radiator.
（比較例２）
比較例１において、ＡΩパイプの代りに鉄パイプとして
、その表面にＡｇ２０３９５％十木節粘土５％のコーテ
ィングを同様に行った。(Comparative Example 2) In Comparative Example 1, an iron pipe was used instead of the AΩ pipe, and its surface was similarly coated with 20395% Ag and 5% Togibushi clay.
実施例、比較例１又は２で作製した遠赤外線放射体につ
いて、室温−加熱（２５分）−外表面温度５００℃（５
分）−冷却（３０分）−室温の熱サイクルテストを行い
、Ａ１１２０ ａの耐剥離性を調べた、その結果を第１
表に示す。更に実施例の線材及び比較例１又は２のパイ
プを直角に折り曲げて、Ａｇ２Ｏ３の密着性を調べた。For the far-infrared radiators produced in Examples and Comparative Examples 1 or 2, the temperature was measured at room temperature - heating (25 minutes) - outer surface temperature of 500°C (5
Minutes) - Cooling (30 minutes) - A thermal cycle test at room temperature was conducted to examine the peeling resistance of A1120a.
Shown in the table. Furthermore, the wire of the example and the pipe of Comparative Example 1 or 2 were bent at right angles to examine the adhesion of Ag2O3.
その結果もあわせて第１表に示す。The results are also shown in Table 1.
第１表
となっているので■遠赤外線を放射するＡ Ｉ ２０
ｇが熱サイクルを繰り返してもＡｇ２Ｏ３が剥離しない
、■Ａｐ・２０３の密着性が優れているので、機械的に
変形を加えても、Ａ Ｉ） ２０ ｇが剥離しない。Since it is shown in Table 1, ■ A I 20 that emits far infrared rays.
Ag2O3 does not peel off even if g is subjected to repeated thermal cycles. (2) Because the adhesion of Ap 203 is excellent, AI) 20 g will not peel off even if mechanically deformed.
工業用加熱炉用、家庭用オーブン調理器用等の加熱体と
して有用であるばかりでなく、遠赤外線の医療面の効果
を目指して医療用の機器等にも適宜利用できるものであ
り、その実用上の効果は大きい。It is not only useful as a heating element for industrial heating furnaces and household oven cookers, but also can be used appropriately for medical equipment, etc., aiming at the medical effects of far infrared rays. The effect is large.
本発明の遠赤外線放射材は、金属発熱体を芯部とし、そ
れをＡ９で被覆し、更に、このＡｇを酸化処理して得ら
れるＡＩＩ２Ｏ３で被覆された構造The far-infrared radiation material of the present invention has a structure in which a metal heating element is used as a core, which is coated with A9, and further coated with AII2O3 obtained by oxidizing this Ag.
第１図は本発明の遠赤外線放射体の長さ方向に垂直な断
面の拡大図である。
第２図は比較例の遠赤外線放射体の長さ方向の軸を含む
面で截った断面図である。FIG. 1 is an enlarged view of a cross section perpendicular to the length direction of the far-infrared radiator of the present invention. FIG. 2 is a cross-sectional view taken along a plane including the longitudinal axis of a far-infrared radiator of a comparative example.
Claims (1)
属で形成され、外面被覆部が、中間部のアルミニウムを
酸化して得られる酸化アルミニウムで形成されてなる遠
赤外線放射体。A far-infrared radiator in which the core portion is formed of a metal heating element, the intermediate portion is formed of aluminum metal, and the outer surface coating portion is formed of aluminum oxide obtained by oxidizing the aluminum in the intermediate portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30682888A JPH02155186A (en) | 1988-12-06 | 1988-12-06 | Far infrared radiating member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30682888A JPH02155186A (en) | 1988-12-06 | 1988-12-06 | Far infrared radiating member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02155186A true JPH02155186A (en) | 1990-06-14 |
Family
ID=17961748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30682888A Pending JPH02155186A (en) | 1988-12-06 | 1988-12-06 | Far infrared radiating member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02155186A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6930283B2 (en) * | 2001-10-23 | 2005-08-16 | Robert Bosch Gmbh | Electrically heatable glow plug and method for producing said electrically heatable glow plug |
| JP2011106690A (en) * | 2009-11-12 | 2011-06-02 | Joule Kenkyusho:Kk | Electric stove |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51143936A (en) * | 1975-06-05 | 1976-12-10 | Toshiba Corp | Production method of alminum covered heating wire |
| JPS60116757A (en) * | 1983-11-28 | 1985-06-24 | Tetsuo Hayakawa | Long-wave infrared radiating body plasma-sprayed with ceramic |
| JPS62285385A (en) * | 1986-06-02 | 1987-12-11 | 松下電器産業株式会社 | Electric wire heater |
-
1988
- 1988-12-06 JP JP30682888A patent/JPH02155186A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51143936A (en) * | 1975-06-05 | 1976-12-10 | Toshiba Corp | Production method of alminum covered heating wire |
| JPS60116757A (en) * | 1983-11-28 | 1985-06-24 | Tetsuo Hayakawa | Long-wave infrared radiating body plasma-sprayed with ceramic |
| JPS62285385A (en) * | 1986-06-02 | 1987-12-11 | 松下電器産業株式会社 | Electric wire heater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6930283B2 (en) * | 2001-10-23 | 2005-08-16 | Robert Bosch Gmbh | Electrically heatable glow plug and method for producing said electrically heatable glow plug |
| JP2011106690A (en) * | 2009-11-12 | 2011-06-02 | Joule Kenkyusho:Kk | Electric stove |
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