JPS6142398B2 - - Google Patents

Info

Publication number
JPS6142398B2
JPS6142398B2 JP51107389A JP10738976A JPS6142398B2 JP S6142398 B2 JPS6142398 B2 JP S6142398B2 JP 51107389 A JP51107389 A JP 51107389A JP 10738976 A JP10738976 A JP 10738976A JP S6142398 B2 JPS6142398 B2 JP S6142398B2
Authority
JP
Japan
Prior art keywords
saucer
heating chamber
mounting table
frequency
rotary mounting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP51107389A
Other languages
Japanese (ja)
Other versions
JPS5332436A (en
Inventor
Hitoshi Kurita
Hiroshi Terasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10738976A priority Critical patent/JPS5332436A/en
Publication of JPS5332436A publication Critical patent/JPS5332436A/en
Publication of JPS6142398B2 publication Critical patent/JPS6142398B2/ja
Granted legal-status Critical Current

Links

Description

【発明の詳細な説明】 産業上の利用分野 本発明は高周波加熱装置の加熱室の底板上に配
設される円形の受皿及び回転載置台の構成に関す
るものである。
DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to the configuration of a circular saucer and a rotary mounting table disposed on the bottom plate of a heating chamber of a high-frequency heating device.

従来例の構成とその問題点 従来の一般的な高周波加熱装置や、いわゆるタ
ーンテーブルを備えた高周波加熱装置では、第1
図ないし第2図に示すように加熱室1の底板2に
15〜30(mm)程度のしぼり部3を設け、このしぼ
り部3の上方に受皿4を配設している。
Configuration of conventional examples and their problems In conventional general high-frequency heating devices and high-frequency heating devices equipped with a so-called turntable, the first
As shown in Figure 2, the bottom plate 2 of the heating chamber 1 is
A squeeze part 3 of about 15 to 30 (mm) is provided, and a saucer 4 is disposed above the squeeze part 3.

これは、しぼり部3から矢印で示すように反射
した高周波電磁波を食品5の下部中央部分に吸収
させ、これによつてこの食品5の下部中央部分に
起きる生煮えを防止しようとするためである。
This is because the high-frequency electromagnetic waves reflected from the squeezing part 3 as shown by the arrow are absorbed into the lower central part of the food 5, thereby preventing the food 5 from being cooked in the lower central part.

しかしながら、このようにしても依然として食
品5の下部中央部分には生煮えが起きているのが
現状であり、また生煮えを防止できないのであれ
ば、このしぼり部3部分はたんに加熱室1の広さ
を狭くして使い勝手を悪くしたことになる。
However, even with this method, undercooking still occurs in the lower central part of the food 5, and if undercooking cannot be prevented, this squeezing part 3 is simply the width of the heating chamber 1. This narrows the space and makes it less convenient to use.

また実公昭51―8199号公報に示す如く受皿のほ
ぼ中央部を他の部分よりも厚くし、かつ裏面に高
周波域で発熱する導電性物質をコートすることに
より、加熱室内で反射した高周波を導電性物質で
吸収し、受皿内面の熱をほぼ均一に分布させるこ
とができるため、被加熱物の下面に焦げ目をつけ
ることも可能であるが、肉厚部に対応する部分に
強電界を生じさせて加熱する効果は得られずしか
も加熱室内の容積を有効に活用することができな
いという欠点があつた。
In addition, as shown in Japanese Utility Model Publication No. 51-8199, by making the approximately central part of the saucer thicker than the other parts and coating the back surface with a conductive material that generates heat in the high frequency range, high frequency waves reflected in the heating chamber can be conductive. It is possible to brown the bottom surface of the object to be heated because it absorbs the heat with a magnetic substance and distributes the heat almost uniformly on the inner surface of the saucer, but it also creates a strong electric field in the part corresponding to the thick part. However, there were disadvantages in that the heating effect could not be obtained and the volume inside the heating chamber could not be used effectively.

発明の目的 本発明は上記従来の欠点を解消するもので、高
周波による加熱調理時に加熱室を狭くすることな
く、食品の下部中央部分に起きる生煮えを防止す
ることのできる受皿及び回転載置台の提供を目的
とするものである。
OBJECT OF THE INVENTION The present invention solves the above-mentioned conventional drawbacks, and provides a saucer and a rotating mounting table that can prevent food from being cooked in the lower central part without narrowing the heating chamber during cooking using high frequency. The purpose is to

発明の構成 上記目的を達成するため、本発明の高周波加熱
装置は、加熱室内に収容された被加熱物を載せる
受皿と、この受皿を載せて回転する回転載置台と
からなり、前記受皿の中央部に周縁部よりも厚い
円形の肉厚部を設け、この肉厚部と対向する前記
回転載置台に円形のしぼり部を設けた構成であ
り、高周波による加熱調理時に、受皿内の中央下
部に位置する被加熱物の生煮えを防止することが
できるとともに、加熱室内の容積を有効に活用す
ることができるという効果が得られる。
Structure of the Invention In order to achieve the above object, the high-frequency heating device of the present invention includes a saucer on which an object to be heated housed in a heating chamber is placed, and a rotary mounting table that rotates with the saucer placed thereon, and the high-frequency heating device of the present invention comprises A circular thick part is provided on the part, which is thicker than the peripheral part, and a circular squeeze part is provided on the rotary mounting table, which faces the thick part. It is possible to prevent the object to be heated from being boiled, and also to effectively utilize the volume within the heating chamber.

実施例の説明 以下、本発明の一実施例を第3図、第4図に基
づいて説明する。
DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 3 and 4.

第3図において、6は本体ケース(図示せず)
内に設けられた加熱室で、少なくとも底板7は非
磁性金属で形成されている。
In Figure 3, 6 is the main body case (not shown)
At least the bottom plate 7 of the heating chamber provided therein is made of non-magnetic metal.

また、上記底板7には円形のしぼり部8が形成
されており、このしぼり部8の上面には第4図に
示すように金属製で円形の回転載置台9が配設さ
れ、またしぼり部8の下面にはモータ10によつ
て回転させられる円形の回転体11が配設されて
いる。
Further, a circular squeeze section 8 is formed on the bottom plate 7, and a circular rotary mounting table 9 made of metal is disposed on the upper surface of the squeeze section 8, as shown in FIG. A circular rotary body 11 rotated by a motor 10 is disposed on the lower surface of the rotor 8 .

さらに、上記回転載置台9の裏面には複数のロ
ーラ12と永久磁石13がそれぞれ同心円状に配
設され、また上記回転体11の上面には複数の永
久磁石14が同心円状に配設されている。
Further, a plurality of rollers 12 and a permanent magnet 13 are arranged concentrically on the back surface of the rotary mounting table 9, and a plurality of permanent magnets 14 are arranged concentrically on the upper surface of the rotating body 11. There is.

そして、上記永久磁石13,14の間には磁気
的な吸引力が働くようになつており、したがつて
回転体11がモータ10によつて回転駆動されれ
ば上記磁気的な結合手段により回転載置台9が追
従して回転駆動されるようになつている。
A magnetic attractive force acts between the permanent magnets 13 and 14, so that when the rotating body 11 is rotationally driven by the motor 10, it is rotated by the magnetic coupling means. The transfer table 9 is adapted to follow and rotate.

また、上記回転載置台9の中央部にはこの回転
載置台9の強度を強くするための円形のしぼり部
15が設けられ、さらにこの回転載置台9には円
形の受皿16が載せられている。この受皿16は
加熱室6の側壁に達する程度の大きなものであ
り、耐熱ガラスで形成されている。なおこのよう
に受皿16を大きくする理由は以下の通りであ
る。
Further, a circular constriction portion 15 is provided at the center of the rotary mounting table 9 to increase the strength of the rotary mounting table 9, and a circular saucer 16 is further placed on the rotary mounting table 9. . This saucer 16 is large enough to reach the side wall of the heating chamber 6, and is made of heat-resistant glass. The reason why the saucer 16 is made large in this way is as follows.

(a) ローラ12の回転の防げとなる煮こぼれを防
止する。
(a) Prevents boiling over that would prevent the roller 12 from rotating.

(b) 加熱室内いつぱいの大きな食品が載置でき
る。
(b) Large foods can be placed inside the heating chamber.

そして、その中央部、つまり上記回転載置台9
のしぼり部15に対向する部分には周縁部に比し
て肉厚な肉厚部17が形成されている。
Then, the central part, that is, the rotary mounting table 9
A thick portion 17 that is thicker than the peripheral edge portion is formed in a portion facing the squeeze portion 15.

したがつて、受皿定部16aを回転載置台絞り
部9aに当接させることにより、肉厚部17を上
記しぼり部15に対向させることができ、受皿1
6は回転載置台9の定位置に載せられたことにな
るのである。
Therefore, by bringing the saucer fixed portion 16a into contact with the rotary mounting table constriction portion 9a, the thick portion 17 can be opposed to the constriction portion 15, and the saucer 1
6 is placed at a fixed position on the rotary mounting table 9.

なお、食品18は高周波損失が少ない樹脂で形
成された容器19に入れられ、また容器19はこ
の食品18の下部中央部が上記肉厚部17の上方
に位置するように置いている。
The food 18 is placed in a container 19 made of resin with low high-frequency loss, and the container 19 is placed such that the lower center of the food 18 is located above the thick wall portion 17.

また、受皿16の肉厚部17の上面から、この
肉厚部17の下面に対向する金属面、つまり上記
しぼり部15までの距離は、食品18の下部中央
部に生煮えが起きないよう10(mm)以上にしてお
り、この点については次の実験をもとに詳しくの
べる。
Further, the distance from the upper surface of the thick part 17 of the saucer 16 to the metal surface facing the lower surface of the thick part 17, that is, the squeeze part 15, is set at a distance of 10 ( mm), and this point will be discussed in detail based on the following experiment.

この実験とは、一般に用いられる2450(MHz)
の高周波電磁波の加熱室6内での波長λの1/4、
つまり金属面からλ/4の位置が最も電界が高い
ということに着眼してなされたものであり、この
場合その位置は金属面、つまり上記しぼり部15
から約35(mm)程度上方になる。
This experiment is based on the commonly used 2450 (MHz)
1/4 of the wavelength λ of the high-frequency electromagnetic wave in the heating chamber 6,
In other words, this was done based on the fact that the electric field is highest at a position λ/4 from the metal surface, and in this case, that position is the metal surface, that is, the aperture part 15.
It will be about 35 (mm) upwards.

したがつて、しぼり部15から食品18の下部
中央部までの距離を約35(mm)程度にすれば良い
のであるが、たんにこうしただけではこの部分の
生煮えを防止することができなかつた。
Therefore, the distance from the squeezing part 15 to the lower central part of the food 18 should be about 35 (mm), but this alone was not enough to prevent this part from being cooked.

そこで種々の実験を行つた結果、受皿16や容
器19によつて上記距離が見かけの35(mm)よ
り長くなつてしまうことが判明したのである。
As a result of various experiments, it was found that the distance described above was longer than the apparent 35 (mm) due to the saucer 16 and container 19.

これを理論的に説明すると次のようになる。一
般に波長λは次の()式で表わされる。
This can be explained theoretically as follows. Generally, the wavelength λ is expressed by the following equation ().

λ=C/ ……() 但し、C:電波の速さ、:周波数 また、誘電体中での電波の速さCは次の()式
で表われるものである。
λ=C/ ...() However, C: Speed of radio waves, : Frequency Also, the speed of radio waves in a dielectric material, C, is expressed by the following equation ().

C=Co/√SS ……() 但しCo:真空中の電波の速度、εS:比誘電
率、μS:比透磁率 したがつて、()式に受皿16を形成した耐熱
ガラスの比誘電率である4を代入すると誘電体中
での電波の速さは()式から1/2倍になる。
C=Co/ √SS ...() where Co: speed of radio waves in vacuum, ε S : relative permittivity, μ S : relative magnetic permeability Therefore, the heat-resistant glass that formed the saucer 16 according to the equation () By substituting 4, which is the relative permittivity of , the speed of radio waves in the dielectric becomes 1/2 from equation ().

そこで、このC=1/2を上記()式に代入する
と結果的に誘電体中での波長の長さは加熱室6内
での波長の長さの1/2になることがわかる。
Therefore, by substituting C=1/2 into the above equation (), it can be seen that the length of the wavelength in the dielectric material becomes 1/2 of the length of the wavelength in the heating chamber 6.

このことは換言すれば、例えば受皿16の厚さ
を10(mm)にすれば、この10(mm)は高周波電磁
波に対しては2倍の20(mm)になるという事であ
る。
In other words, if the thickness of the saucer 16 is set to 10 (mm), for example, this 10 (mm) becomes 20 (mm), which is twice as high as the high frequency electromagnetic waves.

このことをもとに種々の実験をさらに行つた結
果、受皿16としては軽くて実用的な厚さ5
(mm)また肉厚部17だけは厚さ8(mm)〔高周波
電磁波に対しては厚さ16(mm)〕のものを使用
し、この肉厚部17の下面から上記しぼり部15
までを2(mm)、つまり肉厚部17の上面からし
ぼり部15までを合計10(mm)にすれば加熱むら
が起きなかつたのである。
Based on this, we further conducted various experiments and found that the thickness of the saucer 16 was 5, which was light and practical.
(mm) Only the thick part 17 is 8 (mm) thick [thickness 16 (mm) for high frequency electromagnetic waves], and the above-mentioned squeeze part 15 is
By setting the distance up to 2 (mm), that is, the total distance from the upper surface of the thick part 17 to the constriction part 15 to 10 (mm), uneven heating did not occur.

なお、この場合には次の()式のように食品1
8の裏面から17(mm)の所に電界の最も高い位置
があると計算されるが、実際には誘電体である容
器19によつてさらに波長は短くなるのである。
In this case, food 1
It is calculated that the highest electric field is at a position 17 (mm) from the back surface of 8, but in reality the wavelength is further shortened by the dielectric container 19.

35−(8×2+2)=17(mm) ……() この結果、食品18の裏面から10(mm)程度の
位置に電界が最も高い位置があらわれることにな
り、したがつて食品18の下部中央部分には生煮
えが起きずこのことは実験により明らかとなつ
た。
35 - (8 x 2 + 2) = 17 (mm) ... () As a result, the highest electric field appears at a position approximately 10 (mm) from the back of the food 18, and therefore the lower part of the food 18 This was clarified through experiments as there was no undercooking in the central part.

なお、この実施例では肉厚部17を8(mm)、
またこの肉厚部17の下面からしぼり部15まで
の距離を2(mm)にしたが、この肉厚部17を8
(mm)以上にしても良い。
In this embodiment, the thickness of the thick portion 17 is 8 (mm),
Also, the distance from the lower surface of this thick part 17 to the squeeze part 15 was set to 2 (mm), but this thick part 17 was set to 8 mm.
(mm) or more.

もちろん、肉厚部17の厚さを8(mm)以下に
しても良いが、この場合には肉厚部17の下面か
らしぼり部15までの距離を長くする必要があ
り、軽くて実用的な5(mm)程度ものをこの受皿
16として活用する場合には、肉厚部17の上面
からしぼり部15までの距離を10(mm)以上にす
れば生煮えが起きないことが実験により明らかと
なつた。
Of course, the thickness of the thick part 17 may be 8 (mm) or less, but in this case, it is necessary to increase the distance from the bottom surface of the thick part 17 to the squeeze part 15. Experiments have shown that when using a material with a diameter of about 5 mm as the saucer 16, if the distance from the top surface of the thick part 17 to the squeeze part 15 is set to 10 mm or more, undercooking will not occur. Ta.

なお受皿の略中央部の周辺部については、回転
載置台を採用している為、庫内での相対的な被加
熱物の位置が変化している。また加熱室の電界分
布モードは一様ではなくかなり乱反射等が起こつ
ている。従つて電波の強い部分、弱い部分を回転
する為平均的には均一な加熱ができる。
Note that since a rotating mounting table is used around the approximate center of the saucer, the relative position of the object to be heated inside the refrigerator changes. Furthermore, the electric field distribution mode in the heating chamber is not uniform, and rather diffuse reflection occurs. Therefore, since it rotates the areas where the radio waves are strong and the areas where the radio waves are weak, uniform heating can be achieved on average.

ところが、受皿の略中央部は、回転載置台を採
用しても庫内での相対的な位置はほとんど変化し
ていない。さらに金属部表面又は近傍では電界強
度は最小の為ほとんど加熱されないが、本発明に
よると金属部近傍に置かれた食品が受皿の肉厚部
を設けることにより、逆に定在波を積極的に利用
し電界の強い部分を食品の裏面から約10mmの所に
設定することにより生煮えを防止できるものであ
る。
However, the relative position of the substantially central portion of the saucer within the refrigerator remains almost unchanged even if a rotating mounting table is employed. Furthermore, the electric field strength on or near the metal part is minimal, so it is hardly heated. However, according to the present invention, by providing the thick part of the saucer, food placed near the metal part can actively generate standing waves. By using this method, you can prevent undercooked food by setting the area with a strong electric field approximately 10 mm from the back of the food.

また、上記実施例では受皿16を比誘電率が4
の耐熱ガラスで形成した例を説明したが、この受
皿16をポリカーボネイトやポリサルフオン等の
高周波損失が少ない樹脂、または高アルミナ、ジ
ルコン等の磁器材料で形成しても良い。
Further, in the above embodiment, the saucer 16 has a dielectric constant of 4.
Although an example has been described in which the saucer 16 is made of heat-resistant glass, the saucer 16 may also be made of a resin with low high frequency loss such as polycarbonate or polysulfon, or a porcelain material such as high alumina or zircon.

ただし、ポリカーボネイトやポリサルフオン等
の樹脂は比誘電率が約3であるのでこの値を上記
()に代入すれば明らかなようにこの場合には肉
厚部17の上面から、この肉厚部17の下面に対
向する金属面までの距離を約12(mm)以上にすれ
ば良い。また、高アルミナやジルコン等は比誘電
率が約9であるのでこの値を上記()式に代入す
れば明らかなように、この場合には肉厚部17の
上面から、この肉厚部17の下面に対向する金属
面までの距離を7(mm)以上にすれば良く、これ
ら両者についても食品18の下部中央部に生煮え
が起きないということを実験により確認した。
However, resins such as polycarbonate and polysulfon have a dielectric constant of approximately 3, so this value is
As is clear from substituting into (), in this case, the distance from the top surface of the thick portion 17 to the metal surface facing the bottom surface of the thick portion 17 should be approximately 12 (mm) or more. In addition, since high alumina, zircon, etc. have a dielectric constant of about 9, by substituting this value into the above equation (), it is clear that in this case, from the top surface of the thick part 17, It has been confirmed through experiments that the distance between the lower surface of the food 18 and the metal surface facing the food 18 should be 7 (mm) or more, and that undercooking will not occur in the lower center of the food 18 in both cases.

発明の効果 以上のように本発明の高周波加熱装置によれ
ば、受皿の中央部に肉厚部を形成したことによ
り、肉厚部に対応する部分に強電界を生じさせる
ことができるため、食品の下部中央部が生煮えに
なることがなく、さらに構成はきわめて簡単なの
で非常に有用なものである。
Effects of the Invention As described above, according to the high-frequency heating device of the present invention, by forming the thick part in the center of the saucer, a strong electric field can be generated in the part corresponding to the thick part, so that food It is very useful because the lower center part of the container does not become overcooked and the structure is extremely simple.

また、肉厚部を形成することにより上述のごと
く生煮えが防止でき、このことは換言すれば受皿
の下面と金属面との間隙が有効に活用され、実際
面でもこの肉厚部を形成したことにより上記間隙
は従来のものに比して非常に狭くなり、したがつ
て加熱室は広くて使い勝つ手が良くなるという効
果を有する。
In addition, by forming the thick part, it is possible to prevent undercooking as mentioned above.In other words, the gap between the bottom surface of the saucer and the metal surface is effectively utilized, and in practice, forming this thick part is also effective. This has the effect that the gap is much narrower than in the conventional case, and the heating chamber is wide and easy to use.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図、第2図は従来の高周波加熱装置の断面
図、第3図は本発明の一実施例にかかる高周波加
熱装置の断面図、第4図は同装置の要部拡大断面
図である。 6……加熱室、7……加熱室の底板、9……回
転載置台、15……しぼり部、16……受皿、1
7……肉厚部。
1 and 2 are cross-sectional views of a conventional high-frequency heating device, FIG. 3 is a cross-sectional view of a high-frequency heating device according to an embodiment of the present invention, and FIG. 4 is an enlarged cross-sectional view of essential parts of the same device. . 6... Heating chamber, 7... Bottom plate of heating chamber, 9... Rotating mounting table, 15... Squeezing part, 16... Saucer, 1
7...Thick part.

Claims (1)

【特許請求の範囲】 1 2450MHzの高周波電磁波を利用した高周波加
熱装置の本体ケース内に加熱室を設けこの加熱室
の底板上に加熱室の側板に達する程度の大きさの
高周波電波透過性の円形の受皿を配設し、かつこ
の受皿の中央部には周縁部に比して肉厚な肉厚部
を形成し、かつ前記加熱室の底板上に金属性の円
形の回転載置台を配設し、前記受皿を前記回転載
置台上に載せた状態で、受皿の肉厚部に対向する
円形のしぼり部を前記回転載置台に設ける構成と
するとともに受皿の肉厚部の上面からこの肉厚部
の下面に対向するしぼり部までの距離Tを λ/4>T>λ/8(T=t1×√S×S+t2) (λ:高周波電磁波の波長、t1:受皿の肉厚部の
厚み、εS:受皿の比誘電率、μS:受皿の比誘磁
率、t2:回転載置台から受皿までの距離)の関係
にした高周波加熱装置。
[Claims] 1. A heating chamber is provided within the main body case of a high-frequency heating device that uses high-frequency electromagnetic waves of 2450 MHz, and a circular shape that is transparent to high-frequency radio waves and has a size that reaches the side plate of the heating chamber is placed on the bottom plate of the heating chamber. A saucer is disposed, and a thicker part is formed in the center of the saucer than the peripheral edge thereof, and a circular rotating metallic mounting table is disposed on the bottom plate of the heating chamber. In a state where the saucer is placed on the rotary mounting table, a circular constriction portion facing the thick portion of the saucer is provided on the rotary mounting table, and this thickness can be adjusted from the upper surface of the thick portion of the saucer. The distance T to the constriction part facing the lower surface of the part is λ/4>T>λ/8 (T=t 1 ×√ S × S + t 2 ) (λ: wavelength of high-frequency electromagnetic waves, t 1 : wall thickness of the saucer ε S : relative dielectric constant of the saucer, μ S : relative permittivity of the saucer, t 2 : distance from the rotary mounting table to the saucer).
JP10738976A 1976-09-07 1976-09-07 High-frequency heating apparatus Granted JPS5332436A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10738976A JPS5332436A (en) 1976-09-07 1976-09-07 High-frequency heating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10738976A JPS5332436A (en) 1976-09-07 1976-09-07 High-frequency heating apparatus

Publications (2)

Publication Number Publication Date
JPS5332436A JPS5332436A (en) 1978-03-27
JPS6142398B2 true JPS6142398B2 (en) 1986-09-20

Family

ID=14457880

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10738976A Granted JPS5332436A (en) 1976-09-07 1976-09-07 High-frequency heating apparatus

Country Status (1)

Country Link
JP (1) JPS5332436A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59184492A (en) * 1983-04-01 1984-10-19 松下電器産業株式会社 High frequency heater
JPH0310104U (en) * 1989-06-16 1991-01-30
JP2000267106A (en) * 1999-03-19 2000-09-29 Reyoon Kogyo:Kk Treatment of liquid crystal display substrate and treating device for using the same
JP3834454B2 (en) * 2000-04-20 2006-10-18 株式会社フジマック Turntable drive mechanism for cooking oven

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518199U (en) * 1974-07-04 1976-01-21

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5244922Y2 (en) * 1972-08-18 1977-10-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518199U (en) * 1974-07-04 1976-01-21

Also Published As

Publication number Publication date
JPS5332436A (en) 1978-03-27

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