JPH065635B2 - Cooking device - Google Patents
Cooking deviceInfo
- Publication number
- JPH065635B2 JPH065635B2 JP61291864A JP29186486A JPH065635B2 JP H065635 B2 JPH065635 B2 JP H065635B2 JP 61291864 A JP61291864 A JP 61291864A JP 29186486 A JP29186486 A JP 29186486A JP H065635 B2 JPH065635 B2 JP H065635B2
- Authority
- JP
- Japan
- Prior art keywords
- oxide
- infrared radiation
- far
- heater
- cooking chamber
- 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 - Lifetime
Links
- 238000010411 cooking Methods 0.000 title claims description 24
- 230000005855 radiation Effects 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 239000011521 glass Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 15
- 239000010453 quartz Substances 0.000 claims description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000003980 solgel method Methods 0.000 claims description 8
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 7
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 7
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 7
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 5
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 5
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 12
- 238000000576 coating method Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 235000008429 bread Nutrition 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000007751 thermal spraying Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 235000015173 baked goods and baking mixes Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 235000012970 cakes Nutrition 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 235000014510 cooky Nutrition 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 210000003254 palate Anatomy 0.000 description 1
- 235000013550 pizza Nutrition 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Resistance Heating (AREA)
- Ceramic Products (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、オーブントースタや、電気オーブン等の調理
器において、遠赤外線放射を利用したヒータを備えた調
理器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooking device such as an oven toaster and an electric oven, which is provided with a heater that uses far infrared radiation.
従来の技術 従来よりオープントースタや、電気オープン等の調理器
は、パン以外に、もち、クッキー、ピザ、グラタンなど
を焼くのに使用され、最近では、従来のパン専用のトー
スターにとってかわってよく市場に出まわっている。2. Description of the Related Art Conventionally, cookers such as open toasters and electric openers have been used to bake rice cakes, cookies, pizza, gratin, etc. in addition to bread. Have appeared in.
このようなオーブントースタや電気オーブンは、一般的
には、外筐体内に調理室を形成する内筐体と、調理室の
上下に配設された上ヒータおよび下ヒータと、調理室の
前面を覆う扉と、さらに扉の開閉動作に連動する調理物
載置用の網を設けた構造を有している。Such an oven toaster or an electric oven generally has an inner casing that forms a cooking chamber in an outer casing, an upper heater and a lower heater arranged above and below the cooking chamber, and a front face of the cooking chamber. It has a structure in which a cover is provided, and a net for placing a food item that is linked to the opening / closing operation of the door is further provided.
(実公昭58−39290号公報,実公昭58−540
36号公報) また、上ヒータおよび下ヒータとしては、従来より石英
もしくは結晶化ガラス(商品名ミラクロン)の管状の中
に、コイル状の電熱線を配設したものが主に使用されて
いる。(Japanese Utility Model Publication No. 58-39290, Japanese Utility Model Publication 58-540)
Further, as the upper heater and the lower heater, conventionally, a tube of quartz or crystallized glass (trade name Miracron) in which a coil-shaped heating wire is arranged is mainly used.
一方、最近では、遠赤外線放射を利用した調理器が、い
ろいろと市場に出ており、オーブントースタや電気オー
ブン等の調理器においても、上ヒータまたは下ヒータに
遠赤外線放射層を形成させ、用いることがいろいろと提
案されている。On the other hand, recently, cookers using far-infrared radiation are on the market, and even in cookers such as oven toasters and electric ovens, the far-infrared radiation layer is formed on the upper heater or the lower heater and used. Various things have been proposed.
発明が解決しようとする問題点 現在、提案されている遠赤外線放射層の形成は、石英管
または結晶化ガラス管の表面をブラスト処理し、このの
ち遠赤外線放射材である酸化ジルコニウムやムライト等
を容射法により被覆したり、または、水ガラスや、リン
酸化アルミニウムを結合材とする無機接着材に遠赤外線
放射材を添加したものをスプレー法は浸漬法により石英
管または結晶化ガラス管の表面に被覆するかいずれかの
方法で、行なわれている。しかし、従来より提案されて
いる方法において、溶射法により被覆する方法では、石
英管や結晶化ガラス管との密着性や耐熱性に優れるもの
の、コスト的に非常に高くなり実使用上問題があった。Problems to be solved by the invention At present, the formation of the far-infrared radiation layer that has been proposed is performed by blasting the surface of a quartz tube or a crystallized glass tube, and then using a far-infrared radiation material such as zirconium oxide or mullite. The surface of quartz tube or crystallized glass tube is coated by spraying method or water glass or inorganic adhesive with aluminum phosphate as a binder and far infrared ray emitting material is added by spraying method by dipping method. It is done by either coating or coating. However, in the conventionally proposed method, the method of coating by the thermal spraying method has excellent adhesion to a quartz tube or a crystallized glass tube and heat resistance, but it is very costly and has a problem in practical use. It was
一方、無機接着材によるスプレー法や浸漬法では、比較
的コスト的に安価であるものの、熱衝撃性や耐熱性に劣
り、使用中に、徐々に遠赤外線放射層の剥離が起こり、
問題があった。On the other hand, in the spray method and immersion method using an inorganic adhesive, although relatively inexpensive in cost, it is inferior in thermal shock resistance and heat resistance, and during use, the far infrared radiation layer gradually peels off,
There was a problem.
このように、従来から提案されている方法では、一長一
短であり、実用化が難しかった。As described above, the conventionally proposed methods have advantages and disadvantages and are difficult to put into practical use.
このため、本発明では、上記従来の問題点を解決し、安
価で、密着性に優れると共に、優れた調理効果を示す遠
赤外線放射層を有するヒータを備えた調理器を提供する
ことを目的とするものである。Therefore, in the present invention, it is an object of the present invention to solve the above-mentioned conventional problems, to provide a cooker provided with a heater having a far-infrared emitting layer that is inexpensive, has excellent adhesion, and exhibits an excellent cooking effect. To do.
問題点を解決するための手段 上記目的を達成するために本発明の調理器は、外筐体内
に調理室を形成する内筐体と、前記調理室内に配設され
た上ヒータおよび下ヒータと、前記調理室の前面開口を
覆う扉と、この扉の開閉動作に連動する調理物載置用の
網とを備え、前記上ヒータおよび下ヒータは、石英管ま
たは結晶化ガラス管の表面に、略200℃で熱処理を行
うゾルーゲル法によって熱膨張係数が前記基材と整合す
る酸化ケイ素を結合材とし、酸化ジルコニウム,酸化ア
ルミニウム,酸化鉄,酸化マンガン,酸化コバルト,酸
化ニッケルの少なくともいずれかを遠赤外線放射材とし
て遠赤外線放射層を形成し、かつ前記石英管または結晶
化ガラス管に電熱線を内設させて構成した物である。Means for Solving the Problems In order to achieve the above object, a cooker according to the present invention includes an inner casing that forms a cooking chamber in an outer casing, and an upper heater and a lower heater disposed in the cooking chamber. A door covering the front opening of the cooking chamber, and a net for placing a food item in conjunction with the opening / closing operation of the door, wherein the upper heater and the lower heater are provided on the surface of a quartz tube or a crystallized glass tube, Silicon oxide whose thermal expansion coefficient matches that of the base material is used as a binder by the sol-gel method in which heat treatment is performed at about 200 ° C., and at least one of zirconium oxide, aluminum oxide, iron oxide, manganese oxide, cobalt oxide, and nickel oxide is separated. A far-infrared radiation layer is formed as an infrared radiation material, and a heating wire is internally provided in the quartz tube or the crystallized glass tube.
作用 本発明で、示すゾルーゲル法は、現在、脚光を浴びてい
る被覆形成法であり、比較的低温で熱処理することによ
り、基材表面に強固な被膜を形成させることができる。Action The sol-gel method shown in the present invention is a coating forming method which is currently in the limelight, and a strong coating can be formed on the surface of a substrate by heat treatment at a relatively low temperature.
本発明では、ケイ酸エチルの加水分解を利用するゾルー
ゲル法を利用したもので、この中に遠赤外線放射材を含
有させたものである。In the present invention, the sol-gel method utilizing the hydrolysis of ethyl silicate is used, and the far infrared ray emitting material is contained therein.
従って、これらを用いて石英管または結晶化ガラス管の
表面に、形成された被膜には、酸化ケイ素を主成分とし
て、遠赤外線放射材が含有されたものとなり、このよう
な簡単な方法で、遠赤外線放射層を形成させることがで
きる。Therefore, on the surface of the quartz tube or the crystallized glass tube using these, the coating film formed contains, as the main component, silicon oxide, the far-infrared emitting material, and by such a simple method, A far infrared emitting layer can be formed.
また、このようにして得られる遠赤外線放射層は、主成
分が酸化ケイ素であり、熱膨張係数が基材となる石英管
や、結晶化ガラス管の熱膨張係数と、よく整合している
ため、耐熱性および体熱衝撃制に優れた特性を示す。The far-infrared radiation layer thus obtained has silicon oxide as a main component and has a coefficient of thermal expansion that is well matched to that of a quartz tube or a crystallized glass tube, which is a base material. It has excellent heat resistance and thermal shock resistance.
さらに、これらの被膜を形成させるのは、あらかじめ調
合された溶液に石英管または結晶化ガラス管を浸漬また
は、これら溶液をスプレーにより塗布し、こののち20
0℃前後の低温で熱処理するという簡単な方法でよいた
め従来の溶射法に比較して、非常に安価なものとなる。Further, these coatings are formed by dipping a quartz tube or a crystallized glass tube in a pre-prepared solution, or by spraying the solution, and then applying the solution.
Since a simple method of heat treatment at a low temperature of around 0 ° C. is required, it is extremely inexpensive as compared with the conventional thermal spraying method.
このような理由から、ゾルーゲル法により遠赤外線放射
層を形成させた上ヒータおよび下ヒータは、安価で、密
着性に優れたものとなり、これらヒータ使用した調理器
は、実用性のあるものとなる。For this reason, the upper heater and the lower heater having the far-infrared radiation layer formed by the sol-gel method are inexpensive and have excellent adhesiveness, and the cooker using these heaters is practical. .
尚、赤外線放射材としては、従来より使用されている酸
化ジルコニウム,酸化アルミニウム,酸化鉄,酸化マン
ガン,酸化コバルト,酸化ニッケルの少なくともいずれ
かを用いればよい。As the infrared emitting material, at least one of zirconium oxide, aluminum oxide, iron oxide, manganese oxide, cobalt oxide, and nickel oxide which has been conventionally used may be used.
また、このような遠赤外線放射層を形成させたヒータを
用いた調理器で、調理することにより、焙焼効果は高め
られると共に、消費電力を下げることがで、著しい効果
が期待できる。In addition, by cooking with a cooker using a heater having such a far-infrared radiation layer formed, the roasting effect can be enhanced and the power consumption can be reduced, so that a remarkable effect can be expected.
実施例 以下、本発明の実施例について、第1図〜第3図を参照
しながら説明する。Example Hereinafter, an example of the present invention will be described with reference to FIGS. 1 to 3.
図において、1はオーブントースタの外筐体で、この外
筐体1に収納された内筐体2によって、前面を開口した
調理室3が形成されている。4は、上記調理室3の前面
を覆う扉で、下端を外筐体1に枢着して開閉自在に設け
ており、そして扉4中央部にはファインダーガラスが組
み込んである。前記調理室3内に設けた調理物載置用の
網5は、手前側へ出入自在になるようにスライド自在に
支持されており、この網5はアーム6を介して扉4と連
結され、この扉4の開閉に連動して出入動作をするよう
に構成されている。In the figure, reference numeral 1 denotes an outer casing of an oven toaster, and an inner casing 2 housed in the outer casing 1 forms a cooking chamber 3 having an open front surface. Reference numeral 4 denotes a door that covers the front surface of the cooking chamber 3, the lower end of which is pivotally attached to the outer housing 1 so as to be openable and closable, and a finder glass is incorporated in the central portion of the door 4. A net 5 for placing a food item provided in the cooking chamber 3 is slidably supported so that it can be moved in and out of the front side. The net 5 is connected to a door 4 via an arm 6, The door 4 is configured to move in and out in conjunction with the opening and closing of the door 4.
7は調理室3の定板で、前記外筐体1の底部に開閉自在
設けられている。調理室3内には外筐体1の長手方向に
上ヒータ8と下ヒータ9が配設されている。これらの上
ヒータ8および下ヒータ9は結晶化ガラス管8a,9a
の外表面に、ゾルーゲル法により、酸化ケイ素を主成分
とし、酸化ジルコニウムを遠赤外線放射材とする遠関外
線放射層8b,9bが形成され、前記結晶化ガラス管8
a,9aの中央部には電熱線10,11が配設されてい
る。Reference numeral 7 is a fixed plate of the cooking chamber 3, which is provided at the bottom of the outer casing 1 so as to be freely opened and closed. An upper heater 8 and a lower heater 9 are arranged in the cooking chamber 3 in the longitudinal direction of the outer casing 1. The upper heater 8 and the lower heater 9 are crystallized glass tubes 8a and 9a.
On the outer surface of the glass, far-infrared radiation layers 8b and 9b containing silicon oxide as a main component and zirconium oxide as a far-infrared radiation material are formed by the sol-gel method.
Heating wires 10 and 11 are arranged in the central portions of a and 9a.
上記構成を有するオーブントースタでパン12を焙焼さ
せた時、上ヒータ8および下ヒータ9として従来の結晶
化ガラス管8a,9aを用いたオーブントースタに比較
して、調理時間は、1〜2割短かくなり、遠赤外線の効
果が得られた。When the bread 12 is roasted with the oven toaster having the above configuration, the cooking time is 1 to 2 as compared with the conventional oven toaster using the crystallized glass tubes 8a and 9a as the upper heater 8 and the lower heater 9. It became shorter, and the effect of far infrared rays was obtained.
また、パン以外の焼いもの調理においても、従来のオー
ブントースタでは得られない焼け具合が得られ調理時間
が短かくなると共に味の方にも優れた効果が得られた。In addition, when cooking baked goods other than bread, a baking degree which cannot be obtained by the conventional oven toaster is obtained, the cooking time is shortened, and excellent effects are obtained on the palate side.
一方、遠赤外線放射層の被膜を評価するために、ヒータ
の表面温度を約800℃に設定し、3分間通電−1分間
休止を1サイクルとする断続通電試験を行なったとこ
ろ、2万回以上経過しても、遠赤外線放射層の剥離現象
は見られず優れた密着強度を示した。On the other hand, in order to evaluate the coating of the far-infrared radiation layer, the surface temperature of the heater was set to about 800 ° C., and an intermittent energization test was conducted with one cycle of energizing for 3 minutes and resting for 1 minute. Even after a lapse of time, no peeling phenomenon of the far infrared radiation layer was observed, and excellent adhesion strength was exhibited.
このように、従来の石英管または結晶化ガラス管の表面
に、ゾルーゲル法により遠赤外線放射層を形成させたも
のを上ヒータおよび下ヒータとして使用することによ
り、安価で、密着性に優れると共に、優れた調理回路を
示すヒータを備えた調理器が可能となる。Thus, on the surface of the conventional quartz tube or crystallized glass tube, by using the far infrared radiation layer formed by the sol-gel method as the upper heater and the lower heater, inexpensive, with excellent adhesion, It enables cookers with heaters that exhibit excellent cooking circuits.
尚、本発明の実施例において、ヒータとして結晶化ガラ
ス管を用いたものを使用したが、特にこれに限定される
ものではなく、石英管でもよい。In the embodiment of the present invention, a heater using a crystallized glass tube is used, but the heater is not limited to this and a quartz tube may be used.
また、遠赤外線放射材として、酸化ジルコニウムを用い
たが、これについても、他の酸化アルミニウム,酸化
鉄,酸化マンガン,酸化コバルト,酸化ニッケルの少な
くともいずれかでもよい。Further, zirconium oxide is used as the far-infrared radiation material, but this may also be at least one of other aluminum oxide, iron oxide, manganese oxide, cobalt oxide, and nickel oxide.
発明の効果 上記実施例の説明から明らかなように本発明によれば、
上ヒータおよび下ヒータは、石英管または結晶化ガラス
管の表面に、ゾルーゲル法によって酸化ケイ素を主成分
とし、酸化ジルコニウム,酸化アルミニウム,酸化鉄,
酸化マンガン,酸化コバルト,酸化ニッケルの少なくと
もいずれかを遠赤外線放射材として遠赤外線放射層を形
成しているために、前記遠赤外線放射層は、浸漬法また
はスプレー法による塗布処理をした後に約200℃程度の
低温で熱処理することによって形成され、従来の容射法
に比べて製造コストが安価となる。また前記遠赤外線放
射層の主成分である酸化ケイ素の熱膨張係数は、基材と
なる石英管または結晶化ガラス管の熱膨張係数と整合し
ているために、耐熱性および耐熱衝撃性に優れた特性を
有し、製品信頼性を高めることができる。Effects of the Invention According to the present invention, as is clear from the description of the above embodiments,
The upper heater and the lower heater are made of zirconium oxide, aluminum oxide, iron oxide, whose main component is silicon oxide by the sol-gel method on the surface of the quartz tube or the crystallized glass tube.
Since the far-infrared radiation layer is formed by using at least one of manganese oxide, cobalt oxide, and nickel oxide as the far-infrared radiation material, the far-infrared radiation layer is formed by applying a dipping method or a spray method to a coating layer of about 200 It is formed by heat treatment at a low temperature of about ℃, and the manufacturing cost is lower than that of the conventional thermal spraying method. Further, since the thermal expansion coefficient of silicon oxide, which is the main component of the far-infrared radiation layer, matches the thermal expansion coefficient of the quartz tube or the crystallized glass tube as the base material, it has excellent heat resistance and thermal shock resistance. It has excellent characteristics and can improve product reliability.
第1図は、本発明の一実施例を示すオーブントースタの
斜視図、第2図は同オーブントースタの縦断面図、第3
図は同オーブントースタの要部断面図である。 1……外筐体、2……内筐体、3……調理室、4……
扉、5……網、8……上ヒータ、9……下ヒータ、8
a,9a……結晶化ガラス管、8b,9b……遠赤外線
放射層、10,11……電熱線。FIG. 1 is a perspective view of an oven toaster showing an embodiment of the present invention, FIG. 2 is a vertical sectional view of the oven toaster, and FIG.
The figure is a cross-sectional view of the main part of the oven toaster. 1 ... Outer case, 2 ... Inner case, 3 ... Cooking room, 4 ...
Door, 5 ... Net, 8 ... Upper heater, 9 ... Lower heater, 8
a, 9a ... Crystallized glass tube, 8b, 9b ... Far-infrared radiation layer, 10, 11 ... Heating wire.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭58−151380(JP,A) 特開 昭60−41789(JP,A) 特公 昭59−35156(JP,B2) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP 58-151380 (JP, A) JP 60-41789 (JP, A) JP 59-35156 (JP, B2)
Claims (1)
記調理室内に配設された上ヒータおよび下ヒータと、前
記調理室の前面開口を覆う扉と、この扉の開閉動作に連
動する調理物載置用の網とを備え、前記上ヒータおよび
下ヒータは、石英管または結晶化ガラス管の表面に、略
200℃で熱処理を行うゾルーゲル法によって熱膨脹係
数が前記基材と整合する酸化ケイ素を結合材とし、酸化
ジルコニウム,酸化アルミニウム,酸化鉄,酸化マンガ
ン,酸化コバルト,酸化ニッケルの少なくともいずれか
を遠赤外線放射材として遠赤外線放射層を形成し、かつ
前記石英管または結晶化ガラス管に電熱線を内設させて
構成した調理器。1. An inner casing forming a cooking chamber in an outer casing, an upper heater and a lower heater arranged in the cooking chamber, a door covering a front opening of the cooking chamber, and an opening / closing operation of the door. The upper heater and the lower heater have a thermal expansion coefficient on the surface of the quartz tube or the crystallized glass tube at about 200 ° C. by the sol-gel method and the base material. A far infrared radiation layer is formed using a matching silicon oxide as a binding material and at least one of zirconium oxide, aluminum oxide, iron oxide, manganese oxide, cobalt oxide, and nickel oxide as a far infrared radiation material, and the quartz tube or crystal is used. A cooking device that is constructed by incorporating a heating wire inside a glass tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61291864A JPH065635B2 (en) | 1986-12-08 | 1986-12-08 | Cooking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61291864A JPH065635B2 (en) | 1986-12-08 | 1986-12-08 | Cooking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63146377A JPS63146377A (en) | 1988-06-18 |
| JPH065635B2 true JPH065635B2 (en) | 1994-01-19 |
Family
ID=17774415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61291864A Expired - Lifetime JPH065635B2 (en) | 1986-12-08 | 1986-12-08 | Cooking device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH065635B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0261974A (en) * | 1988-08-26 | 1990-03-01 | Matsushita Electric Ind Co Ltd | Far infrared heater |
| JP2819646B2 (en) * | 1989-08-23 | 1998-10-30 | 松下電器産業株式会社 | Far infrared halogen heater |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0239473B2 (en) * | 1982-03-05 | 1990-09-05 | Asahi Glass Co Ltd | ENSEKIGAISENHOSHATAIOYOBISONOSEIZOHO |
| JPS5935156A (en) * | 1982-08-23 | 1984-02-25 | Hitachi Ltd | Optical current transformer |
| JPS6010105U (en) * | 1983-06-29 | 1985-01-24 | 東芝テック株式会社 | electric cooker |
| JPS6041789A (en) * | 1983-08-17 | 1985-03-05 | 西堀 稔 | Far infrared heater |
-
1986
- 1986-12-08 JP JP61291864A patent/JPH065635B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63146377A (en) | 1988-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |