JPH0259738B2 - - Google Patents
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- Publication number
- JPH0259738B2 JPH0259738B2 JP2534486A JP2534486A JPH0259738B2 JP H0259738 B2 JPH0259738 B2 JP H0259738B2 JP 2534486 A JP2534486 A JP 2534486A JP 2534486 A JP2534486 A JP 2534486A JP H0259738 B2 JPH0259738 B2 JP H0259738B2
- Authority
- JP
- Japan
- Prior art keywords
- steam
- tank
- outlet
- rectifying plate
- inlet
- 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
Links
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010411 cooking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004040 coloring Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Landscapes
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Furnace Details (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、蒸気加熱により食品の調理・殺菌等
の加熱処理をする装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an apparatus for heating food such as cooking and sterilizing food by steam heating.
タンク内に蒸気を導入して被処理物を加熱する
装置において特に問題となるのはタンク内で蒸気
温度のバラツキが生じて加熱ムラが起こり、製品
の品質を均一に仕上げることができないことであ
る。
A particular problem with equipment that heats the processed material by introducing steam into a tank is that the steam temperature varies within the tank, causing uneven heating and making it impossible to finish the product with uniform quality. .
これを解決せんとして、低圧の飽和蒸気をタン
ク内に送り込む一方、タンクの中から飽和蒸気の
一部を吸引してこれを前記低圧の飽和蒸気に合流
させ、再びタンク内に送り込んで、タンク内に飽
和蒸気の強制対流を生じさせて蒸気を撹拌して温
度ムラを無くそうとする手段が提案されている
（特開昭59−66335号公報）。 To solve this problem, while feeding low-pressure saturated steam into the tank, a portion of the saturated steam is sucked out from inside the tank, combined with the low-pressure saturated steam, and fed into the tank again. A method has been proposed in which forced convection of saturated steam is generated to agitate the steam to eliminate temperature unevenness (Japanese Patent Application Laid-Open No. 1983-66335).
しかし、蒸気の強制対流により温度ムラを無く
すためには、タンク内のどの部分でも蒸気の流れ
が均一でなければならない。この点に付き前記手
段では単にタンクに蒸気を送り込むと同時にタン
ク内から蒸気を引き抜くだけであるから、タンク
内に蒸気の流れを強制的に生じさせることはでき
るものの、その蒸気の流れをタンク内で均一にで
きるものではない。従つて、前記手段では温度ム
ラを完全に無くすことはできない。
However, in order to eliminate temperature unevenness through forced convection of steam, the flow of steam must be uniform throughout the tank. In this regard, the above-mentioned method simply sends steam into the tank and at the same time pulls out steam from inside the tank, so although it is possible to forcefully generate a flow of steam inside the tank, It cannot be done uniformly. Therefore, the above-mentioned means cannot completely eliminate temperature unevenness.
本発明は、このような点に鑑みなされたもの
で、タンク内での蒸気に流れをどの部分でも一定
にしてタンク内の温度ムラを無くすことのできる
蒸気加熱装置とすることを技術的課題とする。 The present invention was made in view of these points, and the technical problem is to provide a steam heating device that can maintain a constant flow of steam in any part of the tank and eliminate temperature unevenness in the tank. do.
本発明は、前記技術的課題を解決するため、両
端を閉塞した筒状のタンク１内に蒸気を導入して
タンク１内に収容した被処理物を加熱する装置に
おいて次のような技術的手段をとつた。
In order to solve the above-mentioned technical problem, the present invention provides the following technical means in an apparatus for introducing steam into a cylindrical tank 1 with both ends closed to heat a workpiece stored in the tank 1. I took it.
すなわち、前記タンク１の長手方向一端に蒸気
入口３を設けるとともに、タンク１の長手方向他
端に蒸気出口５を設け、さらに、タンク１の長手
方向一端部内に複数の孔１１を穿設した入口側蒸
気整流板１２を設けるとともに、タンク１の長手
方向他端部内に複数の孔１３を穿設した出口側蒸
気整流板１４を設けて蒸気加熱装置とした。 That is, a steam inlet 3 is provided at one longitudinal end of the tank 1, a steam outlet 5 is provided at the other longitudinal end of the tank 1, and a plurality of holes 11 are further bored in one longitudinal end of the tank 1. A side steam rectifying plate 12 was provided, and an outlet side steam rectifying plate 14 having a plurality of holes 13 bored in the other longitudinal end of the tank 1 was provided to provide a steam heating device.
タンク１内に蒸気入口３から導入された蒸気は
入口側蒸気整流板１２の孔１１を通過することに
よりタンク１内をその長手方向に沿つて平行に進
み、出口側蒸気整流板１４の孔を平行状態のまま
通過し、蒸気出口５から排出される。従つて、タ
ンク１内での蒸気の流れはいずれの部分でも同一
速度である。
Steam introduced into the tank 1 from the steam inlet 3 passes through the holes 11 of the inlet side steam rectifying plate 12, and then travels in parallel along the longitudinal direction of the tank 1, and then passes through the holes of the outlet side steam rectifying plate 14. The steam passes through in a parallel state and is discharged from the steam outlet 5. Therefore, the flow of steam within the tank 1 is at the same speed in all parts.
ところで、本発明のように蒸気を利用した加熱
装置ではないが、第５図に示すように、温水を循
環させて温度ムラを無くそうとするレトルト装置
において、タンク３１内の内周壁に４箇所以上の
液出入口３２を設け、その内方に巣板３３を設け
て温水の流れを制御しようとする構造のものが特
開昭51−123872号公報に示されている。 By the way, although it is not a heating device that uses steam like the present invention, in a retort device that circulates hot water to eliminate temperature unevenness, as shown in FIG. Japanese Patent Application Laid-open No. 123872/1983 discloses a structure in which the liquid inlet/outlet 32 is provided and a nest plate 33 is provided inside the inlet/outlet 32 to control the flow of hot water.
しかし、このような装置では巣板３３はタンク
３１の長手方向両端に設けるものでなく、内周壁
に沿つて設けるため、巣板３３のタンク長手方向
での長さが長くなつてその面積が大きいことか
ら、タンク３１の長手方向の両端部分で温水の流
速にばらつきが出やすく、また、タンク３１内の
周縁部分を巣板３３が仕切つてデツドスペースと
してしまうという問題がある。 However, in such a device, the nest plate 33 is not provided at both ends in the longitudinal direction of the tank 31, but is provided along the inner peripheral wall, so the length of the nest plate 33 in the longitudinal direction of the tank becomes long and its area becomes large. Therefore, there is a problem that the flow rate of hot water tends to vary at both ends of the tank 31 in the longitudinal direction, and the peripheral portion of the tank 31 is partitioned off by the nest plate 33, resulting in a dead space.
この点、本発明では円筒状のタンク１内の長手
方向両端に入口側蒸気整流板１２と出口側蒸気整
流板１４とを設けるようにしたので、その面積も
小さいため蒸気流の制御にばらつきがなく、タン
ク１内にデツドスペースを作ることもなく、よつ
て、特開昭51−123872号公報のものとは思想が異
なるものと言える。 In this regard, in the present invention, since the inlet side steam rectifying plate 12 and the outlet side steam rectifying plate 14 are provided at both longitudinal ends of the cylindrical tank 1, their area is also small, so there is no variation in steam flow control. Therefore, it can be said that the concept is different from that of Japanese Patent Application Laid-open No. 123872/1983.
以下、本発明の一実施例を第１図乃至第４図に
基づいて説明する。
Hereinafter, one embodiment of the present invention will be described based on FIGS. 1 to 4.
１はタンクで、このタンク１は一端を閉塞する
とともに、他端を開閉自在のハツチ２で閉塞した
円筒状に形成されている。 1 is a tank, and this tank 1 is formed into a cylindrical shape with one end closed and the other end closed with a hatch 2 that can be opened and closed.
そして、このタンク１の長手方向一端には蒸気
入口３が設けられ、また、長手方向他端のハツチ
２上部に空気出口４が設けられているとともに、
ハツチ２下部に蒸気出口５が設けられ、さらに、
空気出口４には空気弁６が設けられ、蒸気出口５
には蒸気弁７が設けられている。この空気弁６は
タンク１内の温度に基づき自動的に開閉する温調
弁で、タンク１内が100℃になるまで開いており、
100℃を過ぎると閉じるようになつている。また、
蒸気弁７はタンク１内の温度が100℃で、かつ、
圧力2.8Kg／cm2になると開くようになつている。 A steam inlet 3 is provided at one end of the tank 1 in the longitudinal direction, and an air outlet 4 is provided above the hatch 2 at the other end in the longitudinal direction.
A steam outlet 5 is provided at the bottom of the hatch 2, and further,
The air outlet 4 is provided with an air valve 6, and the steam outlet 5 is provided with an air valve 6.
is equipped with a steam valve 7. This air valve 6 is a temperature control valve that automatically opens and closes based on the temperature inside the tank 1, and remains open until the inside of the tank 1 reaches 100°C.
It is designed to close when the temperature exceeds 100℃. Also,
The steam valve 7 operates when the temperature inside the tank 1 is 100°C, and
It is designed to open when the pressure reaches 2.8Kg/ cm2 .
また、タンク１の長手方向一端部内には複数の
孔１１が穿設した入口側蒸気整流板１２が設けら
れているともに、タンク１の長手方向他端部内に
前記入口側蒸気整流板１２に設けた孔１１以上の
大きさの孔１３を複数穿設してある出口側蒸気整
流板１４が設けられている。 Further, an inlet steam rectifying plate 12 having a plurality of holes 11 is provided in one longitudinal end of the tank 1, and an inlet steam rectifying plate 12 is provided in the other longitudinal end of the tank 1. An outlet side steam rectifying plate 14 is provided in which a plurality of holes 13 having a size larger than the holes 11 are bored.
ここで、入口側蒸気整流板１２に設けた孔１１
の直径を例えば１〜10mmとし、また、出口側蒸気
整流板１４に設けた孔１３の直径を例えば10〜30
mmとすることや、逆に入口側蒸気整流板１２に設
けた孔１１の直径を10〜30mmとし、また、出口側
蒸気整流板１４に設けた孔１３の直径を１〜10mm
とすることが考えられる。この各孔１１，１３の
直径、数、分布情況により蒸気の流れ具合・流速
が影響されるので、最適な大きさを選択する。 Here, the hole 11 provided in the inlet side steam rectifying plate 12
For example, the diameter of the hole 13 is set to 1 to 10 mm, and the diameter of the hole 13 provided in the outlet side steam rectifying plate 14 is set to, for example, 10 to 30 mm.
mm, or conversely, the diameter of the holes 11 provided in the inlet side steam rectifying plate 12 may be set to 10 to 30 mm, and the diameter of the holes 13 provided in the outlet side steam rectifying plate 14 may be set to 1 to 10 mm.
It is possible to do this. Since the diameter, number, and distribution of the holes 11 and 13 affect the flow rate and flow rate of steam, the optimum size is selected.
なお、出口側蒸気整流板１４はハツチ２に取り
付けられ、ハツチ２とともに開いてタンク１内へ
の被処理物（例えば食品）を載せたトレーの出し
入れの邪魔にならないようになつている。 The outlet side steam rectifying plate 14 is attached to the hatch 2 and opens together with the hatch 2 so as not to interfere with the loading and unloading of trays carrying objects to be processed (for example, food) into and out of the tank 1.
また、タンク１内の上側に冷却用のシヤワー１
５が設けられているとともに、タンク１下部に冷
却水と蒸気の復水を排出するドレン排出口１６が
設けられている。 In addition, there is a shower 1 for cooling on the upper side of the tank 1.
5 is provided, and a drain outlet 16 is provided at the bottom of the tank 1 for discharging cooling water and steam condensate.
さらに、蒸気入口３は蒸気供給パイプ１７を介
して蒸気ボイラ１８に接続され、蒸気出口５は蒸
気排出パイプ１９に接続され、この蒸気排出パイ
プ１９は前記蒸気ボイラ１８に接続されて蒸気が
循環するようになつている。ところで、蒸気出口
５は蒸気が出口側蒸気整流板１４の孔１３を通過
する関係上、前述したようにハツチ２に設けられ
ているため、この蒸気出口５に蒸気排出パイプ１
９をそのまま連結してしまうとハツチ２が開かな
くなつてしまう。そこで、この実施例では蒸気出
口５から続く蒸気排出パイプ１９をタンク本体の
下側へと添わせ、ハツチ２の分割線２１のところ
で分断し、その分断部分をシールして、この分断
部分からハツチ２が開くようにしてある。 Furthermore, the steam inlet 3 is connected to a steam boiler 18 via a steam supply pipe 17, and the steam outlet 5 is connected to a steam exhaust pipe 19, which is connected to the steam boiler 18 so that the steam circulates. It's becoming like that. By the way, since the steam outlet 5 is provided in the hatch 2 as described above because the steam passes through the hole 13 of the outlet side steam rectifying plate 14, the steam exhaust pipe 1 is connected to the steam outlet 5.
If 9 is connected as is, hatch 2 will not open. Therefore, in this embodiment, the steam exhaust pipe 19 that continues from the steam outlet 5 is attached to the lower side of the tank body, is divided at the dividing line 21 of the hatch 2, and the divided part is sealed, and the hatch is removed from the divided part. 2 is left open.
なお、このようにせず、第３図に示すように、
蒸気出口５をハツチ２に設けず、出口側蒸気整流
板１４よりハツチ２寄りのタンク本体に設け、出
口側蒸気整流板１４が蒸気出口５よりタンク１内
側に来るよう、この出口側蒸気整流板１４を支持
杆２２でハツチ２に支持し、タンク１内周に出口
側蒸気整流板１４の周縁との間をシールする環状
のシールパツキン２３を設けるようにして、ハツ
チ２とともに出口側蒸気整流板１４が開くように
してもよい。 Note that instead of doing this, as shown in Figure 3,
The steam outlet 5 is not provided in the hatch 2, but is provided in the tank body closer to the hatch 2 than the outlet steam rectifying plate 14, and the outlet steam rectifying plate is installed so that the outlet steam rectifying plate 14 is located inside the tank 1 from the steam outlet 5. 14 is supported on the hatch 2 by a support rod 22, and an annular seal packing 23 is provided on the inner periphery of the tank 1 to seal between the outlet side steam rectifying plate 14 and the periphery of the outlet side steam rectifying plate 14. 14 may be opened.
この装置の動作を説明すると、まず、被処理物
として、食品を詰めたレトルト用プラスチツク容
器をトレーに載せてタンク１内に収容する。次に
蒸気ボイラ１８から生蒸気タンク１内に送り込
む。蒸気ボイラ１８からの生蒸気は蒸気入口３か
ら入り入口側蒸気整流板１２のタンク１の一端と
の間に瞬時に入り、その後、蒸気は順次タンク１
内に充満するが、初期においてはタンク１内が
100℃になるまで空気弁６が開いているので、こ
の空気弁６からタンク１内の空気が蒸気に押され
て外部に抜ける。そして、タンク１内の温度が
100℃になると空気弁６が閉じ、タンク１内に蒸
気が貯溜されて加圧され、その後タンク１内の圧
力が2.8Kg／cm2になると蒸気弁７が開くので、タ
ンク１内の蒸気は入口側蒸気整流板１２から出口
側蒸気整流板１４に向かつて流れる。その際、蒸
気は入口側蒸気整流板１２に設けた孔１１から均
一に整流されて出口側蒸気整流板１４に向かいタ
ンク１の長手方向に沿つて平行に流れる。従つ
て、蒸気流は第４図に示すように、被処理物の周
囲に沿つて流れ、被処理物をまんべんなく加熱す
る。この蒸気の流れる速度は蒸気入口３からタン
ク１内に導入される蒸気の単位時間当たりの量に
より決定される。そして、この速さが速いほど温
度ムラが少なくなるが、余り速いとタンク１内に
収容した被処理物が動いてしまうので被処理物が
動かない程度の速度とするのがよい。次に、タン
ク１内を通過して被処理物を加熱した蒸気の一部
は水となり、その残りは出口側蒸気整流板１４の
孔から水平を保つてこの出口側蒸気整流板１４と
タンク１の他端との空間へと抜け、蒸気出口５か
ら抜けて蒸気ボイラ１８へと復帰し、再度タンク
１へと導入される。 To explain the operation of this apparatus, first, a plastic retort container filled with food is placed on a tray and housed in a tank 1 as an object to be processed. Next, it is fed into the live steam tank 1 from the steam boiler 18. Live steam from the steam boiler 18 enters from the steam inlet 3 and instantaneously enters between the inlet side steam baffle plate 12 and one end of the tank 1, and then the steam sequentially enters the tank 1.
However, initially, the inside of tank 1 is
Since the air valve 6 remains open until the temperature reaches 100°C, the air in the tank 1 is pushed by the steam and escapes to the outside through the air valve 6. Then, the temperature inside tank 1 is
When the temperature reaches 100℃, the air valve 6 closes and steam is stored and pressurized in the tank 1.Afterwards, when the pressure inside the tank 1 reaches 2.8Kg/ cm2 , the steam valve 7 opens, so the steam inside the tank 1 The steam flows from the inlet steam rectifier plate 12 to the outlet steam rectifier plate 14 . At this time, the steam is uniformly rectified through the holes 11 provided in the inlet steam rectifying plate 12 and flows in parallel along the longitudinal direction of the tank 1 toward the outlet steam rectifying plate 14 . Therefore, as shown in FIG. 4, the steam flow flows around the object to be processed and evenly heats the object. The flow rate of this steam is determined by the amount of steam introduced into the tank 1 from the steam inlet 3 per unit time. The faster this speed is, the less the temperature unevenness will be. However, if it is too fast, the objects to be processed stored in the tank 1 will move, so it is preferable to set the speed to such a level that the objects to be processed do not move. Next, a part of the steam that passed through the tank 1 and heated the material to be treated becomes water, and the rest of the steam passes through the hole in the outlet side steam rectifier plate 14 to keep it horizontal. It escapes into the space with the other end, exits through the steam outlet 5, returns to the steam boiler 18, and is introduced into the tank 1 again.
なお、この実施例の蒸気循環手段は特開昭59−
66335号公報に記載されたものと異なり、蒸気出
口５から蒸気を吸引する必要はなく、蒸気の送出
力のみで循環させるものである。 The steam circulation means of this embodiment is disclosed in Japanese Patent Application Laid-Open No. 1986-
Unlike the one described in Japanese Patent No. 66335, there is no need to suck the steam from the steam outlet 5, and the steam is circulated only by the steam sending force.
また、タンク１の寸法は長さ2000mm、内径90
mm、入口側蒸気整流板１２と出口側蒸気整流板１
４との間の距離1600mm程度である。 In addition, the dimensions of tank 1 are length 2000mm and inner diameter 90mm.
mm, inlet side steam rectifier plate 12 and outlet side steam rectifier plate 1
The distance between 4 and 4 is about 1600mm.
以上の実施例では食品の調理・殺菌処理を行う
加熱装置として本発明を説明したが、タンク１内
に蒸気を導入してその蒸気熱で熱処理する装置、
例えば、蒸気熱でプリント配線基板に電子部品を
はんだ付けする装置、あるいは、正絹の発色工程
での捺染装置としても使用できる。 In the above embodiments, the present invention has been described as a heating device for cooking and sterilizing food;
For example, it can be used as a device for soldering electronic components to printed wiring boards using steam heat, or as a printing device in the coloring process of pure silk.
本発明によれば、タンク１内の蒸気が入口側蒸
気整流板１２と出口側蒸気整流板１４とにより整
流されてタンク１の長手方向に沿つて均一に流動
するので、タンク１内の温度ムラが解消され、被
処理物への加熱処理が均等に行え、製品の品質の
ばらつきが無くなる。また、構造が簡単であるか
ら、安価に出来る。
According to the present invention, the steam in the tank 1 is rectified by the inlet side steam rectifying plate 12 and the outlet side steam rectifying plate 14 and flows uniformly along the longitudinal direction of the tank 1, so that temperature unevenness in the tank 1 is prevented. This eliminates this problem, allows uniform heat treatment of the workpiece, and eliminates variations in product quality. Moreover, since the structure is simple, it can be made at low cost.
第１図は本発明の一実施例を示す断面概略図、
第２図ａ，ｂはその入口側蒸気整流板・出口側蒸
気整流板を示す正面図、第３図はタンクのハツチ
部分の他の実施例を示す断面図、第４図は蒸気の
流れを示す図、第５図は従来の温水によるレトル
ト装置を示す断面図である。
１……タンク、３……蒸気入口、５……蒸気出
口、１１……孔、１２……入口側蒸気整流板、１
３……孔、１４……出口側蒸気整流板。
FIG. 1 is a schematic cross-sectional view showing one embodiment of the present invention;
Figures 2a and b are front views showing the inlet steam rectifying plate and the outlet steam rectifying plate, Figure 3 is a sectional view showing another embodiment of the hatch part of the tank, and Figure 4 shows the flow of steam. The figure shown in FIG. 5 is a sectional view showing a conventional hot water retort device. 1...tank, 3...steam inlet, 5...steam outlet, 11...hole, 12...inlet side steam rectifier plate, 1
3...hole, 14...outlet side steam rectifier plate.
Claims (1)
導入してタンク１内に収容した被処理物を加熱す
る装置において、 前記タンク１の長手方向一端に蒸気入口３を設
けるとともに、タンク１の長手方向他端に蒸気出
口５を設け、さらに、タンク１の長手方向一端部
内に複数の孔１１を穿設した入口側蒸気整流板１
２を設けるとともに、タンク１の長手方向他端部
内に複数の孔１３を穿設した出口側蒸気整流板１
４を設けたことを特徴とする蒸気加熱装置。[Scope of Claims] 1. In an apparatus for introducing steam into a cylindrical tank 1 with both ends closed to heat a material to be treated stored in the tank 1, a steam inlet 3 is provided at one end in the longitudinal direction of the tank 1. At the same time, a steam outlet 5 is provided at the other end of the tank 1 in the longitudinal direction, and a plurality of holes 11 are bored in one end of the tank 1 in the longitudinal direction.
2 and a plurality of holes 13 in the other longitudinal end of the tank 1.
4. A steam heating device characterized by being provided with 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2534486A JPS62183766A (en) | 1986-02-07 | 1986-02-07 | Steam heating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2534486A JPS62183766A (en) | 1986-02-07 | 1986-02-07 | Steam heating apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62183766A JPS62183766A (en) | 1987-08-12 |
| JPH0259738B2 true JPH0259738B2 (en) | 1990-12-13 |
Family
ID=12163268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2534486A Granted JPS62183766A (en) | 1986-02-07 | 1986-02-07 | Steam heating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62183766A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0451922A (en) * | 1990-06-18 | 1992-02-20 | Tokyo Electric Co Ltd | Cooker |
-
1986
- 1986-02-07 JP JP2534486A patent/JPS62183766A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0451922A (en) * | 1990-06-18 | 1992-02-20 | Tokyo Electric Co Ltd | Cooker |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62183766A (en) | 1987-08-12 |
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