JP3936626B2 - High frequency induction heating rice cooker and manufacturing method thereof - Google Patents

High frequency induction heating rice cooker and manufacturing method thereof Download PDF

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Publication number
JP3936626B2
JP3936626B2 JP2002161665A JP2002161665A JP3936626B2 JP 3936626 B2 JP3936626 B2 JP 3936626B2 JP 2002161665 A JP2002161665 A JP 2002161665A JP 2002161665 A JP2002161665 A JP 2002161665A JP 3936626 B2 JP3936626 B2 JP 3936626B2
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Prior art keywords
rice cooker
opening edge
cooker body
flange
induction heating
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JP2004008247A (en
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健 安形
唯晴 今泉
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Aiho Corp
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Aiho Corp
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Description

【０００１】
【発明の属する技術分野】
本発明は、特に連続して高周波誘導加熱により炊飯を行うことのできる高周波誘導加熱式炊飯釜およびその製造方法に関する。
【０００２】
【従来の技術】
従来の高周波誘導加熱式炊飯装置は、例えば、特開平１１−１１１４３７号公報に記載されているように、炊飯釜を移送装置により順次に高周波誘導加熱手段による加熱位置に移送し、この高周波誘導加熱手段によって炊飯釜を加熱して炊飯し、炊飯が終了後に炊飯釜を次の行程に移送するとともに、次の炊飯釜を高周波誘導加熱手段による高周波誘導加熱位置に移送して連続的に炊飯するようにした構成が採られている。
【０００３】
そして、この高周波誘導加熱式炊飯装置では、炊飯釜本体の底部が高周波誘導加熱手段に接触されないように高周波誘導加熱手段上から浮上させて移送する必要があり、また、炊飯釜本体内の炊き上がった米の取り出し、洗浄などに際して炊飯釜本体を反転させる必要がある。
【０００４】
従来のこの種の炊飯釜は、炊飯釜本体をアルミニウム鋳物またはアルミニウム板などにて形成し、この炊飯釜本体の外面に強磁性体材を溶射し、また、この炊飯釜本体の上面開口縁部にてフランジ部または取っ手を一体に形成した構造が採られていた。
【０００５】
この従来の炊飯釜本体は、反復して炊飯に使用している間に、熱膨張が繰り返されることとなり、それによって強磁性体が剥離し易く、長期使用に耐えることができなかった。また、アルミニウム板によって形成した炊飯釜本体の開口縁部にフランジ部または取っ手を一体形成させた構造では、フランジ部または取っ手を利用して炊飯釜本体を移送するようにする場合、衝撃や荷重によってフランジ部が変形したり、また、取っ手が変形したり、破損するおそれがあった。
【０００６】
本発明は上記問題点に鑑みなされたもので、誘導加熱が効率よく行えるとともに、内面側の熱伝導を良好にして被加熱物を効率よく加熱でき、また、炊飯釜本体の開口縁部に取り付けたフランジ体が外れることがなく、フランジ体を利用して炊飯釜本体を移送できる高周波誘導加熱式炊飯釜およびその製造方法を提供するものである。
【０００７】
【課題を解決するための手段】
請求項１記載の発明の高周波誘導加熱式炊飯釜は、外側をステンレス鋼板とするとともに内側をアルミニウム板としたクラッド鋼鈑にて形成され上面を開口した炊飯釜本体と、この炊飯釜本体の開口縁部にこの開口縁部の内面および外面を覆って取り付けられアルミニウム鋳物にて成形され取っ手部および前記炊飯釜本体の上面開口部を覆う蓋体の嵌合受部を有するフランジ体とを備えたものである。
【０００８】
請求項２記載の発明の高周波誘導加熱式炊飯釜は、請求項１記載の高周波誘導加熱式炊飯釜において、炊飯釜本体の開口縁部は外方に向って拡開状に折り曲げたものである。
【０００９】
請求項３記載の発明の高周波誘導加熱式炊飯釜の製造方法は、外側をステンレス鋼板とするとともに内側をアルミニウム板としたクラッド鋼鈑にて上面を開口した炊飯釜本体を形成する工程と、この炊飯釜本体の開口縁部をフランジ体成形型内に配設し、このフランジ体成形型内にアルミニウム溶融材を注入してこの炊飯釜本体の開口縁部の内面および外面を覆うとともに取っ手部および前記炊飯釜本体の上面開口部を覆う蓋体の嵌合受部を有するフランジ体をこの炊飯釜本体の開口縁部に取り付ける工程とを有するものである。
【００１０】
【発明の実施の形態】
次に、本発明の高周波誘導加熱式炊飯釜の一実施の形態を図１ないし図６に基いて説明する。
【００１１】
炊飯釜本体１は外側をステンレス鋼板２とするとともに内側をアルミニウム板３としたクラッド鋼鈑４にて略矩形形状の底面部５から上方に拡開状に形成され、この炊飯釜本体１は上面が開口されている。この炊飯釜本体１は底面部を中心にして展開された状態のクラッド鋼鈑４を溶接により形成し、図６に示すように、クラッド鋼鈑４の溶接端縁部のアルミニウム板３を削除してからステンレス鋼板２の端縁を互いに溶接し、次いで、クラッド鋼鈑４のアルミニウム板３の端縁にアルミニウム材3aを肉盛りし、クラッド鋼鈑４のアルミニウム板３の端縁を互いに溶接する。
【００１２】
そして、図４及び図５に示すように、この炊飯釜本体１の弧状に湾曲した角隅部６を除いて上面開口縁部は延出され、この延出部７は外方に向って拡開状に折り曲げられている。
【００１３】
次に、この炊飯釜本体１の開口縁部には、この開口縁部を覆ってアルミニウム鋳物にて成形されたフランジ体10が取り付けられている。
【００１４】
このフランジ体10は、内側に段状に前記炊飯釜本体１の上面開口部を覆う蓋体11の嵌合受部12が形成され、このフランジ体10の両側部には炊飯釜本体１より外側に突出する取っ手部13がそれぞれ一体に形成され、このフランジ体10の取っ手部13の下面が図示しない移送手段にて支持されてこの炊飯釜本体１の底面部５が浮上して移動されるようになっている。
【００１５】
また、前記蓋体11の下面周縁部には前記フランジ体10の嵌合受部12に嵌合される突縁14が形成されている。
【００１６】
次に、この実施の形態の作用を説明する。
【００１７】
炊飯釜本体１は外面が強磁性のステンレス鋼板２で形成されているため、図示しない高周波誘導加熱手段の電磁コイル電磁誘導による渦電流が発生し易くなり、炊飯釜本体１は効率よく発熱され、また、内面がアルミニウム板３のため、炊飯釜本体１は熱伝導がよく、炊飯釜本体１内の被加熱物を効率よく加熱でき、強磁性体を溶射した構造に比し剥離することがなく、長期使用が可能となる。
【００１８】
また、炊飯釜本体１の開口縁部に取り付けられたフランジ体10は、この炊飯釜本体1の開口縁部を覆って取り付けられたアルミニウム鋳物のため、炊飯釜本体１の内側のアルミニウム板３とアルミニウム鋳物のフランジ体10とが溶着結合されて確実に取り付けられ、炊飯時に炊飯釜本体１に対するフランジ体10の取り付け部から蒸気が漏れることがないとともにフランジ体10を利用して炊飯釜本体１を持ち上げてもフランジ体10が炊飯釜本体１の荷重で外れることがなく、炊飯釜本体の底面部５が高周波誘導加熱手段に接触されないように周波誘導加熱手段の誘導コイル上から浮上させて移送することができ、また、炊飯釜本体１内の炊き上がった米の取り出し、洗浄などに炊飯釜本体１を反転させるなどの際にも、フランジ体10を利用して行うことができ、炊飯釜本体1に衝撃を与えることがなく、炊飯釜本体１の底面部５などを変形破損するおそれがない。
【００１９】
そして、炊飯釜本体１の開口縁部に取り付けられたフランジ体10に上方に持ち上げる力が作用しても、炊飯釜本体１の荷重で炊飯釜本体１の開口縁部がフランジ体10から抜け外れることがない。
【００２０】
そして、フランジ体10の嵌合受部12に蓋体11の突縁14を嵌合することにより、蓋体11の周縁部はフランジ体10の上面に接触され、炊飯釜本体1の上面開口部を閉塞できる。
【００２１】
次に、高周波誘導加熱式炊飯釜の製造方法の実施の形態を図７に基いて説明する。
【００２２】
第１の工程は、外側をステンレス鋼板２とするとともに内側をアルミニウム板３とした底面部を中央にして展開された状態のクラッド鋼鈑４を溶接により上面を開口した炊飯釜本体１を形成する。このクラッド鋼鈑４の溶接端縁は、図６に示すように、アルミニウム板３を削除して互いにステンレス鋼板２を溶接し、次いで、アルミニウム板３の端部にアルミニウム材3aを肉盛りしてアルミニウム板３の端部を互いに溶接する。
【００２３】
この炊飯釜本体１を形成する工程に引き続き第２の工程は、この炊飯釜本体１の開口縁部をフランジ体成形型20内に配設し、このフランジ体成形型20内にアルミニウム溶融材を注入してこの炊飯釜本体1の開口縁部を覆ったフランジ体10をこの炊飯釜本体１の開口縁部に取り付ける。
【００２４】
このフランジ体成形型20は、図７に示すように下型部21と左右に２つ割された上型部22とを具備し、前記下型部21は炊飯釜本体１を反転して嵌合する支持台部23を有し、この支持台部23に炊飯釜本体１を反転して嵌合し、図示しない支持手段にて炊飯釜本体１の高さが一定に位置決めされる。
【００２５】
次いで、前記左右に２つ割された上型部22は前記下型部21上にそれぞれ嵌着され、この下型部21との間にフランジ体10を鋳造する中空状の成形部24を形成するようになっている。そして、この成形部24に前記炊飯釜本体１の延出部７とともに開口縁部が配設されている。
【００２６】
また、２つ割の上型部22にはそれぞれ前記中空状の成形部24に連通するアルミニウム溶融材を注入する注入口25が上面に開口されている。なお、この２つ割の上型部22には、前記フランジ部10の取っ手部13を成形する部分26は、上方に向って着脱可能となっている。
【００２７】
そして、２つ割の上型部22の注入口25からアルミニウム溶融材を注入して、中空状の成形部24に注入されたアルミニウム溶融材を冷却すると、アルミニウム溶融材が硬化されて、フランジ体10が鋳造され、まず、２つ割の上型部22の取っ手部13を成形する部分26を取り外し、２つ割の上型部22を左右に開き、炊飯釜本体１とともにこの炊飯釜本体１の開口縁部に一体的に取り付けられたフランジ体10を取り出す。この状態で、炊飯釜本体１の内側のアルミニウム板３とアルミニウム鋳物のフランジ体10とが溶着結合され、フランジ体10は炊飯釜本体１に一体的に結合され、炊飯釜本体1の開口縁部を覆ったフランジ体10がこの炊飯釜本体１の開口縁部に取り付けられている。
【００２８】
次に、この実施の形態の作用を説明する。
【００２９】
下型部21の支持台部23に炊飯釜本体１を反転して嵌合し、図示しない支持手段にて炊飯釜本体１の高さを一定に位置決めして支持し、次いで、前記左右に２つ割された上型部22を前記下型部21上にそれぞれ嵌着し、この下型部21と２つ割された上型部22との間に前記炊飯釜本体１の延出部７とともに開口縁部が配設されている中空状の成形部24に２つ割の上型部22の注入口25から中空状の成形部24にアルミニウム溶融材を注入し、この成形部24に注入されたアルミニウム溶融材を冷却すると、アルミニウム溶融材が硬化されて、フランジ体10が鋳造される。そして、２つ割の上型部22の取っ手部13を成形する部分26を取り外し、２つ割の上型部22を左右に開き、炊飯釜本体１とともにこの炊飯釜本体１の開口縁部に一体的に取り付けられたフランジ体10を取り出す。
【００３０】
この状態で、炊飯釜本体１の内側のアルミニウム板と３アルミニウム鋳物のフランジ体10とが溶着結合され、フランジ体10は炊飯釜本体１に一体的に結合され、炊飯釜本体1の開口縁部を覆ったフランジ体10がこの炊飯釜本体１の開口縁部に取り付けられているので、クラッド鋼鈑４にて形成した炊飯釜本体１の開口縁部に容易にフランジ体10を取り付けることができ、アルミニウム鋳物のフランジ体10と炊飯釜本体１のアルミニウム板３とが溶融して一体化し、炊飯釜本体１の開口縁部にフランジ体10が強固に取り付けられる。
【００３１】
【発明の効果】
本発明によれば、誘導加熱が効率よく行えるとともに、内面側の熱伝導を良好にして被加熱物を効率よく加熱でき、また、炊飯釜本体の開口縁部に取り付けたフランジ体が外れることがなく、フランジ体を利用して炊飯釜本体を移送できる。
【図面の簡単な説明】
【図１】 本発明の一実施の形態を示す高周波誘導加熱式炊飯釜の縦断正面図である。
【図２】 同上炊飯釜本体とフランジ部との結合部の拡大断面図である。
【図３】 同上炊飯釜本体の平面図である。
【図４】 同上炊飯釜本体の正面図である。
【図５】 同上炊飯釜本体の平面図である。
【図６】 同上炊飯釜本体のクラッド鋼鈑の溶接部の拡大断面図である。
【図７】 同上フランジ部成形型の縦断正面図である。
【符号の説明】
１ 炊飯釜本体
２ ステンレス鋼板
３ アルミニウム板
４ クラッド鋼鈑
５ 炊飯釜本体１の底面部
10 フランジ体
11 蓋体
12 嵌合受部
20 フランジ体成形型[0001]
BACKGROUND OF THE INVENTION
The present invention particularly relates to a high-frequency induction heating rice cooker capable of continuously cooking rice by high-frequency induction heating and a method for manufacturing the same.
[0002]
[Prior art]
A conventional high-frequency induction heating rice cooker, for example, as described in Japanese Patent Application Laid-Open No. 11-111437, sequentially transfers a rice cooker to a heating position by a high-frequency induction heating means using a transfer device, and this high-frequency induction heating. The rice cooker is heated by the means to cook rice, and after the rice cooking is finished, the rice cooker is transferred to the next process, and the next rice cooker is transferred to the high frequency induction heating position by the high frequency induction heating means so as to continuously cook rice. The structure which was made is taken.
[0003]
And in this high frequency induction heating type rice cooking device, it is necessary to float and transfer from the high frequency induction heating means so that the bottom of the rice cooker main body is not in contact with the high frequency induction heating means. It is necessary to invert the rice cooker body when taking out or washing the rice.
[0004]
In this type of conventional rice cooker, the rice cooker body is formed of an aluminum casting or an aluminum plate, and a ferromagnetic material is thermally sprayed on the outer surface of the rice cooker body. The structure in which the flange portion or the handle is formed integrally is taken.
[0005]
This conventional rice cooker main body is repeatedly expanded in heat while repeatedly used for rice cooking, whereby the ferromagnetic material is easily peeled off and cannot withstand long-term use. Also, in the structure in which the flange or handle is formed integrally with the opening edge of the rice cooker main body formed of an aluminum plate, when the rice cooker main body is transferred using the flange or handle, depending on the impact or load There is a possibility that the flange portion may be deformed, and the handle may be deformed or damaged.
[0006]
The present invention has been made in view of the above problems, and can efficiently perform induction heating, efficiently heat the object to be heated with good heat conduction on the inner surface side, and can be attached to the opening edge of the rice cooker body. The present invention provides a high-frequency induction heating rice cooker that can transfer the main body of the rice cooker using the flange body and the manufacturing method thereof.
[0007]
[Means for Solving the Problems]
The high-frequency induction heating rice cooker according to the first aspect of the present invention is a rice cooker main body formed of a clad steel plate having an outer side made of a stainless steel plate and an inner side made of an aluminum plate, and an opening of the rice cooker main body. And a flange body that is attached to the edge portion so as to cover the inner surface and the outer surface of the opening edge portion and is formed of an aluminum casting and has a handle and a fitting receiving portion of a lid body that covers the upper surface opening portion of the rice cooker body . Is.
[0008]
High-frequency induction heating cooking kettle invention 請 Motomeko 2 wherein, in the high-frequency induction heating cooking pot according to claim 1, the opening edge portion of the cooking pot main body which was folded into expanded shape toward the outside is there.
[0009]
請 Motomeko third manufacturing method of the high-frequency induction heating cooking pot in the embodiment described includes the steps of forming a cooking pot main body having an open top with clad steel plate was an aluminum plate inside as well as outside the stainless steel plate, The opening edge of the rice cooker body is disposed in the flange body molding die, and an aluminum molten material is poured into the flange body molding mold to cover the inner and outer surfaces of the opening edge of the rice cooker body, and the handle portion. And a step of attaching a flange body having a fitting receiving portion of a lid that covers the upper surface opening of the rice cooker body to the opening edge of the rice cooker body .
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the high-frequency induction heating rice cooker of the present invention will be described with reference to FIGS.
[0011]
The rice cooker main body 1 is formed by a clad steel plate 4 having an outer side made of a stainless steel plate 2 and an inner side made of an aluminum plate 3 so as to expand upward from a substantially rectangular bottom surface portion 5. Is open. This rice cooker body 1 is formed by welding a clad steel plate 4 in a state of being developed around the bottom portion, and the aluminum plate 3 at the welding edge of the clad steel plate 4 is deleted as shown in FIG. After that, the edges of the stainless steel plate 2 are welded together, and then the aluminum material 3a is built up on the edge of the aluminum plate 3 of the clad steel plate 4, and the edges of the aluminum plate 3 of the clad steel plate 4 are welded together. .
[0012]
As shown in FIGS. 4 and 5, the upper surface opening edge is extended except for the corner portion 6 which is curved in an arc shape of the rice cooker body 1, and the extended portion 7 expands outward. It is folded open.
[0013]
Next, a flange body 10 is attached to the opening edge of the rice cooker body 1 and is formed of an aluminum casting so as to cover the opening edge.
[0014]
The flange body 10 is formed with a fitting receiving portion 12 of a lid body 11 covering the upper surface opening of the rice cooker main body 1 in a step shape on the inner side, and on both sides of the flange body 10 outside the rice cooker main body 1. Are formed integrally with each other, and the bottom surface of the handle portion 13 of the flange body 10 is supported by a transfer means (not shown) so that the bottom surface portion 5 of the rice cooker body 1 is lifted and moved. It has become.
[0015]
Further, a projecting edge 14 that is fitted to the fitting receiving portion 12 of the flange body 10 is formed on the peripheral edge of the lower surface of the lid body 11.
[0016]
Next, the operation of this embodiment will be described.
[0017]
Since the outer surface of the rice cooker body 1 is formed of a stainless steel plate 2 having a ferromagnetic surface, eddy currents are easily generated due to electromagnetic induction of an electromagnetic coil of a high-frequency induction heating means (not shown), and the rice cooker body 1 is efficiently heated. Moreover, since the inner surface is the aluminum plate 3, the rice cooker main body 1 has good heat conduction, can efficiently heat the object to be heated in the rice cooker main body 1, and does not peel as compared with the structure in which the ferromagnetic material is sprayed. Long-term use is possible.
[0018]
Further, the flange body 10 attached to the opening edge of the rice cooker body 1 is an aluminum casting attached so as to cover the opening edge of the rice cooker body 1, so that the aluminum plate 3 inside the rice cooker body 1 and The flange body 10 of the aluminum casting is welded and securely attached, so that steam does not leak from the attachment portion of the flange body 10 with respect to the rice cooker body 1 during rice cooking, and the rice cooker body 1 is made using the flange body 10 Even if it is lifted, the flange body 10 does not come off due to the load of the rice cooker main body 1 and is transported by floating from the induction coil of the frequency induction heating means so that the bottom surface portion 5 of the rice cooker main body is not in contact with the high frequency induction heating means. It is also possible to use the flange body 10 when the rice cooker body 1 is inverted for taking out or washing the cooked rice in the rice cooker body 1. And the rice cooker body 1 is not impacted, and the bottom surface 5 of the rice cooker body 1 is not deformed and damaged.
[0019]
And even if the force which lifts upwards acts on the flange body 10 attached to the opening edge part of the rice cooking pot main body 1, the opening edge part of the rice cooking pot main body 1 comes off from the flange body 10 with the load of the rice cooking pot main body 1. There is nothing.
[0020]
Then, by fitting the protruding edge 14 of the lid body 11 to the fitting receiving portion 12 of the flange body 10, the peripheral edge portion of the lid body 11 is brought into contact with the upper surface of the flange body 10, and the upper surface opening of the rice cooker body 1 Can be blocked.
[0021]
Next, an embodiment of a method for producing a high-frequency induction heating rice cooker will be described with reference to FIG.
[0022]
The first step is to form a rice cooker body 1 having an upper surface opened by welding a clad steel plate 4 in a state where the outer surface is a stainless steel plate 2 and the inner surface is an aluminum plate 3 and the bottom surface portion is developed in the center. . As shown in FIG. 6, the welded edge of the clad steel plate 4 is formed by removing the aluminum plate 3 and welding the stainless steel plate 2 to each other, and then depositing an aluminum material 3 a on the end of the aluminum plate 3. The ends of the aluminum plate 3 are welded together.
[0023]
Following the step of forming the rice cooker body 1, the second step is to arrange the opening edge of the rice cooker body 1 in the flange body molding die 20, and put the aluminum molten material in the flange body molding die 20. The flange body 10 that is injected and covers the opening edge of the rice cooker body 1 is attached to the opening edge of the rice cooker body 1.
[0024]
As shown in FIG. 7, the flange body forming die 20 includes a lower die portion 21 and an upper die portion 22 that is divided into left and right portions, and the lower die portion 21 is fitted by inverting the rice cooker body 1. The rice cooker main body 1 is inverted and fitted to the support base 23, and the height of the rice cooker main body 1 is fixed by a support means (not shown).
[0025]
Next, the upper mold part 22 divided into the left and right parts is respectively fitted on the lower mold part 21, and a hollow molded part 24 for casting the flange body 10 is formed between the upper mold part 21 and the lower mold part 21. It is supposed to be. And the opening edge part is arrange | positioned by this shaping | molding part 24 with the extension part 7 of the said rice cooker main body 1. FIG.
[0026]
Further, the upper mold part 22 divided into two parts has an opening 25 on the upper surface for injecting an aluminum molten material communicating with the hollow shaped part 24. A portion 26 for molding the handle portion 13 of the flange portion 10 is detachably attached to the upper mold portion 22 of the two splits.
[0027]
Then, when the aluminum molten material is injected from the injection port 25 of the upper mold portion 22 and the aluminum molten material injected into the hollow molding portion 24 is cooled, the aluminum molten material is cured and the flange body 10 is cast, first, the part 26 for molding the handle portion 13 of the split upper mold portion 22 is removed, the split upper mold portion 22 is opened to the left and right, and the rice cooker main body 1 together with the rice cooker main body 1 The flange body 10 integrally attached to the opening edge of the is taken out. In this state, the inner aluminum plate 3 of the rice cooker body 1 and the aluminum casting flange body 10 are welded and joined, and the flange body 10 is integrally joined to the rice cooker body 1 and the opening edge of the rice cooker body 1 is joined. Is attached to the opening edge of the rice cooker body 1.
[0028]
Next, the operation of this embodiment will be described.
[0029]
The rice cooker body 1 is inverted and fitted to the support base 23 of the lower mold part 21, and the height of the rice cooker body 1 is fixed and supported by support means (not shown). The split upper mold part 22 is fitted on the lower mold part 21, and the extension part 7 of the rice cooker body 1 is interposed between the lower mold part 21 and the split upper mold part 22. In addition, an aluminum molten material is injected into the hollow molded part 24 from the injection port 25 of the upper mold part 22 divided into the hollow molded part 24 in which the opening edge is arranged, and injected into the molded part 24 When the molten aluminum material is cooled, the aluminum molten material is cured and the flange body 10 is cast. And the part 26 which shape | molds the handle part 13 of the split upper mold part 22 is removed, the split mold upper mold part 22 is opened right and left, and the rice cooker body 1 and the opening edge of the cooker main body 1 are opened. The flange body 10 attached integrally is taken out.
[0030]
In this state, the inner aluminum plate of the rice cooker body 1 and the 3 aluminum cast flange body 10 are welded and joined, and the flange body 10 is integrally joined to the rice cooker body 1 and the opening edge of the rice cooker body 1 is joined. Is attached to the opening edge of the rice cooker body 1 so that the flange body 10 can be easily attached to the opening edge of the rice cooker body 1 formed of the clad steel plate 4. The aluminum casting flange body 10 and the aluminum plate 3 of the rice cooker body 1 are fused and integrated, and the flange body 10 is firmly attached to the opening edge of the rice cooker body 1.
[0031]
【The invention's effect】
According to the present invention, induction heating can be performed efficiently, the object to be heated can be efficiently heated with good heat conduction on the inner surface side, and the flange body attached to the opening edge of the rice cooker body can be removed. The rice cooker body can be transferred using the flange body.
[Brief description of the drawings]
FIG. 1 is a longitudinal front view of a high-frequency induction heating rice cooker showing an embodiment of the present invention.
FIG. 2 is an enlarged cross-sectional view of a coupling portion between the rice cooker body and the flange portion.
FIG. 3 is a plan view of the rice cooker body.
FIG. 4 is a front view of the same rice cooker body.
FIG. 5 is a plan view of the rice cooker body.
FIG. 6 is an enlarged cross-sectional view of the welded portion of the clad steel plate of the rice cooker body.
FIG. 7 is a longitudinal front view of the flange part molding die.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Rice cooker body 2 Stainless steel plate 3 Aluminum plate 4 Clad steel plate 5 Bottom part of rice cooker body 1
10 Flange body
11 Lid
12 Mating receptacle
20 Flange body mold

Claims (3)

外側をステンレス鋼板とするとともに内側をアルミニウム板としたクラッド鋼鈑にて形成され上面を開口した炊飯釜本体と、
この炊飯釜本体の開口縁部にこの開口縁部の内面および外面を覆って取り付けられアルミニウム鋳物にて成形され取っ手部および前記炊飯釜本体の上面開口部を覆う蓋体の嵌合受部を有するフランジ体と
を備えたことを特徴とする高周波誘導加熱式炊飯釜。A rice cooker main body formed of a clad steel plate with an outer side made of a stainless steel plate and an inner side made of an aluminum plate, and an upper surface opened,
An opening edge portion of the rice cooker body is attached to cover the inner and outer surfaces of the opening edge portion , and is formed of an aluminum casting, and has a handle and a fitting receiving portion of a lid that covers the upper surface opening portion of the rice cooker body. A high-frequency induction heating rice cooker characterized by comprising a flange body. 炊飯釜本体の開口縁部は外方に向って拡開状に折り曲げた
ことを特徴とする請求項１記載の高周波誘導加熱式炊飯釜。The high-frequency induction heating rice cooker according to claim 1, wherein the opening edge of the rice cooker body is bent outward in an expanded shape. 外側をステンレス鋼板とするとともに内側をアルミニウム板としたクラッド鋼鈑にて上面を開口した炊飯釜本体を形成する工程と、
この炊飯釜本体の開口縁部をフランジ体成形型内に配設し、このフランジ体成形型内にアルミニウム溶融材を注入してこの炊飯釜本体の開口縁部の内面および外面を覆うとともに取っ手部および前記炊飯釜本体の上面開口部を覆う蓋体の嵌合受部を有するフランジ体をこの炊飯釜本体の開口縁部に取り付ける工程と
を有する高周波誘導加熱式炊飯釜の製造方法。Forming a rice cooker body having an upper surface opened with a clad steel plate having a stainless steel plate on the outside and an aluminum plate on the inside;
The opening edge of the rice cooker body is disposed in the flange body molding die, and an aluminum molten material is poured into the flange body molding mold to cover the inner and outer surfaces of the opening edge of the rice cooker body, and the handle portion. And a step of attaching a flange body having a fitting receiving portion of a lid covering the upper surface opening of the rice cooker body to the opening edge of the rice cooker body.
JP2002161665A 2002-06-03 2002-06-03 High frequency induction heating rice cooker and manufacturing method thereof Expired - Fee Related JP3936626B2 (en)

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JP3936626B2 true JP3936626B2 (en) 2007-06-27

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