JPS63119965A - Open type molten metal holding furnace - Google Patents
Open type molten metal holding furnaceInfo
- Publication number
- JPS63119965A JPS63119965A JP26556686A JP26556686A JPS63119965A JP S63119965 A JPS63119965 A JP S63119965A JP 26556686 A JP26556686 A JP 26556686A JP 26556686 A JP26556686 A JP 26556686A JP S63119965 A JPS63119965 A JP S63119965A
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- furnace
- level
- metal surface
- open
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 title claims abstract description 116
- 238000005266 casting Methods 0.000 claims abstract description 4
- 238000007654 immersion Methods 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000004512 die casting Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 230000003028 elevating effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ダイカストマシンなどに供給する溶湯を貯留
する保温炉、特に開放型保温炉に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a heat retention furnace, particularly an open type heat retention furnace, for storing molten metal to be supplied to a die-casting machine or the like.
第３図に示すように、ダイカストマシン１０などへの溶
湯１２の供給は、一般に、所定温度に保持されている保
温炉１４内の溶湯を、電磁ポンプ１６の作動下で吸込管
１８および吐出管２０を介して加圧、圧送することによ
り行なわれる。そして炉としては、通常は、構造が簡単
で価格が安くしかも保守が容易な開放型溶湯保温炉が用
いられる。As shown in FIG. 3, molten metal 12 is generally supplied to a die-casting machine 10 or the like by moving the molten metal in a heat-retaining furnace 14 maintained at a predetermined temperature through a suction pipe 18 and a discharge pipe under the operation of an electromagnetic pump 16. This is carried out by pressurizing and pumping through 20. As the furnace, an open-type molten metal insulating furnace is usually used, which has a simple structure, is inexpensive, and is easy to maintain.
ところで、このような溶湯供給装置においては、ダイカ
ストマシンへの溶湯の供給に従い保温炉１４内の溶湯１
２のレベルＬがＬａ−＋Ｌｂ→Ｌｃへと降下し、溶湯１
２の電磁ポンプ１６に対するサクションヘッドＨがＨａ
−＋Ｈｂ−＋ＨＣへと低下し、電磁ポンプ１６の圧送
能力が低下する。また一方、補給路２２から溶湯１２が
補給されて溶湯のレベルＬが上昇した場合には、電磁ポ
ンプ１６に対するサクションヘッドＨが増大し、電磁ポ
ンプ１６の圧送能力が増大する。By the way, in such a molten metal supply device, as the molten metal is supplied to the die casting machine, the molten metal 1 in the heat retention furnace 14 is
The level L of 2 falls from La-+Lb → Lc, and the molten metal 1
The suction head H for the electromagnetic pump 16 of No. 2 is Ha
−+Hb−+HC, and the pumping ability of the electromagnetic pump 16 decreases. On the other hand, when the molten metal 12 is replenished from the supply path 22 and the level L of the molten metal rises, the suction head H for the electromagnetic pump 16 increases, and the pumping capacity of the electromagnetic pump 16 increases.
このため、開放型溶湯保温炉を用いる溶湯供給装置にお
いては、電磁ポンプ１６の駆動装置２４を操作する操作
器２６に、保温炉１４内の湯面レベルＬを検出する検出
器２８を接続し、湯面レベルＬの変化に応じて電磁ポン
プ１６の吐出量を定量制御するように構成されている。For this reason, in a molten metal supply apparatus using an open type molten metal insulating furnace, a detector 28 for detecting the level L of the molten metal in the insulating furnace 14 is connected to an operator 26 that operates the drive device 24 of the electromagnetic pump 16. It is configured to quantitatively control the discharge amount of the electromagnetic pump 16 according to changes in the hot water level L.
そしてこれにより、鋳造製品の精度ならびに作業能率の
低下を防止するようになされている。This prevents the precision of the cast product and the work efficiency from deteriorating.
ところが、前述の電磁ポンプの定量制御は、その機構が
複雑であるために、開放型保温炉が有する優れた利点を
、ややもすると相殺するという難点を持つものであった
。However, the above-mentioned quantitative control of the electromagnetic pump has a drawback that the excellent advantages of the open heat retention furnace are offset by its complicated mechanism.
すなわち、電磁ポンプ１６の定量制御は、電磁ポンプ１
６の励磁電圧を補正するか或いは電磁ポンプ１６の作動
時間を変更することにより行なわれるものであるが、こ
れらの制御においては、溶湯レベルの変動を連続的に検
出することを必要とする。したがって、制御機構を構成
する湯面検出器２８は、湯面レベルＬに追従できる構造
であるか、湯面レベルＬの変動を細かく段階的に検出で
きる構造であることを要し、また操作器２６は、湯面検
出器２８が検出する多様のデータを処理するために、多
数のタイマーを含む制御機構や或いはマイクロコンピュ
ータを含む演算機構などを必要とし、さらに駆動装置２
４もこれらに対応した大型の構造となるものである。That is, the quantitative control of the electromagnetic pump 16 is performed by controlling the electromagnetic pump 1
These controls require continuous detection of fluctuations in the molten metal level. Therefore, the hot water level detector 28 constituting the control mechanism needs to have a structure that can follow the hot water level L, or a structure that can detect fluctuations in the hot water level L in fine steps, and also requires an operating device. 26 requires a control mechanism including a large number of timers or an arithmetic mechanism including a microcomputer in order to process various data detected by the hot water level detector 28.
4 also has a large structure corresponding to these.
このように、従来の開放型溶湯保温炉は、優れた利点を
有する反面、電磁ポンプの定量制御に複雑な機構を要す
るという難点があった。As described above, while the conventional open-type molten metal insulating furnace has excellent advantages, it has the disadvantage that a complicated mechanism is required for quantitative control of the electromagnetic pump.
そこで、本発明の目的は、ダイカストマシンなどへ電磁
ポンプを介して溶湯を供給する開放型溶湯保温炉におい
て、電磁ポンプの吐出量を定量制御するために、保温炉
内の溶湯レベルを常に一定に保持して電磁ポンプのサク
ションヘッドを常に一定に維持できる、簡単な構造、構
成の開放型溶湯保温炉を提供することにある。Therefore, an object of the present invention is to keep the molten metal level in the insulating furnace constant at all times in order to quantitatively control the discharge amount of the electromagnetic pump in an open-type molten metal insulating furnace that supplies molten metal to a die-casting machine or the like via an electromagnetic pump. To provide an open type molten metal heat insulating furnace with a simple structure and configuration capable of always maintaining a constant suction head of an electromagnetic pump.
因に、電磁ポンプのサクションヘッドを一定に維持する
ために、溶湯レベルの変化に応じて保温炉内の圧力を変
化するようにした、いわゆる加圧保温炉が知られている
が、このような加圧炉は炉本体の構造が重量化すると共
に、炉本体を含む溶湯供給装置の保守性ならびに鋳造作
業性が劣るものである。Incidentally, in order to maintain a constant suction head of an electromagnetic pump, a so-called pressurized insulating furnace is known, which changes the pressure inside the insulating furnace according to changes in the molten metal level. In a pressurized furnace, the structure of the furnace body is heavy, and the maintainability of the molten metal supply device including the furnace body and casting workability are poor.
上記目的を達成するために、本発明の開放型溶湯保温炉
は、加圧ポンプを介して鋳造装置などに圧送される溶湯
を貯留する開放型溶湯保温炉において、炉体内部に溶湯
中に浸漬される浸漬体を昇降自在に配置し、さらに溶湯
の湯面を検出する湯面検出器を取付け、炉体上部に前記
浸漬体の昇降手段を設けると共にこれを昇降操作器を介
して前記湯面検出器に接続することを特徴とする。In order to achieve the above object, the open type molten metal insulating furnace of the present invention is an open type molten metal insulating furnace that stores molten metal to be pumped to a casting device etc. via a pressure pump. The immersed body is arranged to be able to move up and down, and a level detector for detecting the level of the molten metal is installed, and a means for raising and lowering the immersed body is provided on the upper part of the furnace body, and the immersion body is moved up and down through a lifting operation device. It is characterized by being connected to a detector.
なお、溶湯保温炉は、その内部を、下部に連通口を有す
る区画壁で溶湯貯留室と溶湯供給室とに区画し、溶湯貯
留室に浸漬体を溶湯供給室に湯面検出器をそれぞれ設け
ることができる。The interior of the molten metal heat retention furnace is divided into a molten metal storage chamber and a molten metal supply chamber by a partition wall having a communication port at the bottom, and an immersion body is provided in the molten metal storage chamber and a molten metal level detector is provided in the molten metal supply chamber. be able to.
本発明に係る開放型溶湯保温炉によれば、例えば溶湯レ
ベルが降下すると、このレベル降下を湯面検出器が検出
して昇降操作器を介して昇降手段を作動し、浸漬体を溶
湯内に下降する。According to the open type molten metal insulating furnace according to the present invention, when the molten metal level drops, for example, the level detector detects this level drop and operates the lifting means via the lifting operation device to lower the immersion body into the molten metal. descend.
これにより、溶湯レベルが上昇し、そのレベルカ所定ル
ベルに復帰すると、このレベル上昇を湯面検出器が検出
して昇降手段の作動を停止し、浸漬体の下降を停止する
。すなわち、溶湯レベルが常に所定レベルに保持される
。一方、溶湯レベルが上昇した場合には、上述とほぼ逆
の作動が行なわれ、溶湯レベルは所定レベルに復帰、保
持される。As a result, the molten metal level rises, and when the level returns to a predetermined level, the molten metal level detector detects this level rise, stops the operation of the lifting means, and stops the lowering of the immersion body. That is, the molten metal level is always maintained at a predetermined level. On the other hand, when the molten metal level rises, an operation substantially opposite to that described above is performed, and the molten metal level is returned to and maintained at a predetermined level.
なお、溶湯保温炉の内部に区画室を設けると、湯面検出
器の湯面検出が安定し、浸漬体の昇降操作が安定して行
なわれる利点がある。It should be noted that if a compartment is provided inside the molten metal insulating furnace, there is an advantage that the level detection of the molten metal by the molten metal level detector becomes stable, and the raising and lowering operation of the immersion body is performed stably.
次に、本発明に係る開放型溶湯保温炉の実施例につき添
付図面を参照しながら以下詳細に説明する。なお、説明
の便宜上第３図に示す従来の構造と同一構成部分につい
ては同一参照符号を付し、その詳細な説明は省略する。Next, embodiments of the open-type molten metal insulating furnace according to the present invention will be described in detail below with reference to the accompanying drawings. For convenience of explanation, the same reference numerals are given to the same components as those of the conventional structure shown in FIG. 3, and detailed explanation thereof will be omitted.
第１図は本発明に係る開放型溶湯保温炉の一実施例であ
って、開放型溶湯保温炉（以下、炉という）１４はダイ
カストマシン１０に溶湯１２を供給する貯湯炉であり、
炉１４とダイカストマシン１０との間には吸込管１８お
よび吐出管２０を介して電磁ポンプ１６が配設されてお
り、また吸込管１８に対向して炉１４の一側壁には補給
路２２が取付けられている。FIG. 1 shows an embodiment of an open-type molten metal insulating furnace according to the present invention, in which an open-type molten metal insulating furnace (hereinafter referred to as a furnace) 14 is a storage furnace that supplies molten metal 12 to a die-casting machine 10.
An electromagnetic pump 16 is disposed between the furnace 14 and the die-casting machine 10 via a suction pipe 18 and a discharge pipe 20, and a supply path 22 is provided on one side wall of the furnace 14 opposite to the suction pipe 18. installed.
ここで、本発明に係る開放型溶湯保温炉１４においては
、湯面りの上方に昇降手段３２を有する浸漬体３０がブ
ラケット３８を介して溶湯１２内に昇降自在に設けられ
ていると共に、湯面り上に湯面検出５４０がブラケット
４２を介して設けられており、そして、これらの昇降手
段３２と湯面検出器４０とは昇降操作器４４を介して接
続されている。昇降手段３２は、−例として、ランクが
加工された支持棒３４と、前記ランクに噛合うピニオン
ならびにこのピニオンを駆動する駆動装置を含む昇降機
構３６とからなる。昇降操作器４４は、湯面りとの接離
を検出する湯面検出器４０の信号により、離間時には浸
漬体３０を下降する方向へ、接触時には浸漬体３０を上
昇する方向へ、昇降手段３２を駆動するように構成され
ている。また浸漬体３０は、その表面を耐溶融金属性材
質で形成されており、その浸漬体積は保温炉１４の汲出
し限界溶湯量以下に設定されている。Here, in the open type molten metal insulating furnace 14 according to the present invention, an immersion body 30 having an elevating means 32 above the molten metal surface is provided in the molten metal 12 via a bracket 38 so as to be able to rise and fall freely. A hot water level detector 540 is provided on the surface via a bracket 42, and these elevating means 32 and the hot water level detector 40 are connected via an elevating operation device 44. The lifting means 32 comprises, for example, a support rod 34 into which a rank has been machined, a lifting mechanism 36 that includes a pinion that meshes with the rank and a drive device that drives this pinion. The elevating device 44 moves the elevating means 32 in a direction that lowers the immersed body 30 when the body is separated from the hot water level, and in a direction that raises the immersed body 30 when it comes into contact with the hot water level, based on a signal from the hot water level detector 40 that detects contact with and separation from the hot water level. is configured to drive. Further, the surface of the immersed body 30 is made of a melt-resistant metal material, and the immersion volume is set to be less than the limit amount of molten metal that can be pumped out of the heat-retaining furnace 14 .
なお、実施例においては、補給路２２の開閉弁４６の開
閉手段４８が昇降操作器４４に接続されており、これに
より開閉弁４６は、浸漬体３０の下端が下限位置Ｍ′に
達すると自動的に開かれて溶湯を補給し、浸漬体３０の
下端が上限位置Ｍすなわち湯面の設定レベル位置しに達
すると自動的に閉じられるように構成されている。In addition, in the embodiment, the opening/closing means 48 of the opening/closing valve 46 of the supply path 22 is connected to the lift operation device 44, so that the opening/closing valve 46 is automatically activated when the lower end of the immersion body 30 reaches the lower limit position M'. The immersion body 30 is opened automatically to replenish the molten metal, and is automatically closed when the lower end of the immersion body 30 reaches the upper limit position M, that is, the set level of the molten metal level.
このような構成において、溶湯１２が電磁ポンプ１６に
よりダイカストマシン１０に供給されると、保温炉１４
内の湯面はその設定レベルＬから下降しようとするが、
このとき湯面検出器４０がこれを検出し、前述したよう
に、浸漬体３０が昇降操作器４４．昇降手段３２を介し
て下降され、前記供給された溶湯体積に相当する炉内の
溶湯体積が置換されて、湯面が基準設定レベルＬに維持
される。一方、溶湯が補給路２２から補給され、炉１４
内の湯面が上昇しようとした場合には、前述したように
浸漬体３０が上昇されて湯面は基準設定レベルＬに維持
される。したがって、電磁ポンプ１６に対する炉内の溶
湯１２のサクションヘッドＨが変化することがなく、電
磁ポンプ１６の吐出量が常に一定に保持される。In such a configuration, when the molten metal 12 is supplied to the die casting machine 10 by the electromagnetic pump 16, the heat retention furnace 14
The water level inside the tank tries to fall from the set level L, but
At this time, the hot water level detector 40 detects this, and as described above, the immersion body 30 moves to the elevator 44. The molten metal is lowered via the lifting means 32, and the molten metal volume in the furnace corresponding to the supplied molten metal volume is replaced, and the molten metal level is maintained at the reference setting level L. On the other hand, molten metal is replenished from the supply path 22 and the furnace 14
When the level of the hot water inside is about to rise, the immersion body 30 is raised as described above, and the level of the hot water is maintained at the reference setting level L. Therefore, the suction head H of the molten metal 12 in the furnace with respect to the electromagnetic pump 16 does not change, and the discharge amount of the electromagnetic pump 16 is always kept constant.
このようにして、本発明に係る開放型溶湯保温炉によれ
ば、保温炉内の溶湯レベルを一定に保持することにより
、従来必要とされた電磁ポンプの吐出量を規制する複雑
な制御機構を不要とすることができる。しかも、上述の
溶湯レベルの制御機構は、浸漬体を昇降して溶湯レベル
を一定に保持されるだけのものであるから、その構造が
簡単であると共に、制御精度が向上されるものである。In this way, the open-type molten metal insulating furnace according to the present invention maintains the molten metal level in the insulating furnace at a constant level, thereby eliminating the need for a complicated control mechanism that regulates the discharge amount of the electromagnetic pump, which was conventionally required. It can be made unnecessary. Moreover, since the above-mentioned molten metal level control mechanism merely maintains the molten metal level at a constant level by raising and lowering the immersion body, its structure is simple and control accuracy is improved.
第２図に、本発明に係る開放型溶湯保温炉の他の実施例
を示す。本実施例は、前述の実施例における保温炉の内
部を、溶湯貯留室と溶湯供給室とに２分したものである
。FIG. 2 shows another embodiment of the open-type molten metal insulating furnace according to the present invention. In this embodiment, the inside of the heat-retaining furnace in the previous embodiment is divided into two parts: a molten metal storage chamber and a molten metal supply chamber.
すなわち、保温炉１４の内部は、その下部が開放されて
連通口５２とされた区画壁５０で溶湯貯留室５４と溶湯
供給室５６とに区画され、溶湯貯留室５４に浸漬体３０
が設けられると共に補給路２２が接続され、溶湯供給室
５６に湯面検出器４０が設けられると共に吸込管１８が
接続されている。That is, the inside of the heat retention furnace 14 is divided into a molten metal storage chamber 54 and a molten metal supply chamber 56 by a partition wall 50 whose lower part is open and serves as a communication port 52.
The molten metal supply chamber 56 is provided with a molten metal level detector 40 and connected to the suction pipe 18.
このように構成すると、浸漬体３０の昇降あるいは補給
路２２からの溶湯の補給に起因する貯留室５４内におけ
る溶？１ｇ１２の乱れが区画壁５０で遮られ、供給室５
６内における湯面の波動が減殺されるので、湯面検出器
４０の検出が安定し、湯面制御が安定して行なわれる。With this configuration, molten metal in the storage chamber 54 may be removed due to the elevation of the immersion body 30 or the replenishment of molten metal from the replenishment path 22. The disturbance of 1g12 is blocked by the partition wall 50, and the supply chamber 5
Since the wave motion of the hot water level in the hot water tank 6 is reduced, detection by the hot water level detector 40 is stable, and hot water level control is performed stably.
以上説明したように、本発明に係る開放型溶湯保温炉は
、溶湯内部に浸漬される浸漬体を湯面検出器を介して溶
湯内部において昇降自在に支持することにより、保温炉
内の溶湯の湯面を、検出器が湯面と接離するときに設定
される湯面基準レベルに常に保持できるように構成した
ので、溶湯を圧送する電磁ポンプに対する溶湯のサクシ
ョンヘッドが常に一定に保持される。従って、湯面が変
動する従来の開放型溶湯保温炉においては、必然的に必
要とされた複雑な機構を要するポンプ吐出量の定量制御
機構が不要となる。さらに、本発明に係る湯面の定レベ
ル保持機構は、機構が簡単で価格が安価であるばかりで
なく、制御精度が高いので、鋳造製品の品質ならびに作
業能率を向上することができる。As explained above, the open type molten metal insulating furnace according to the present invention supports the immersion body immersed inside the molten metal so that it can rise and fall freely inside the molten metal via the molten metal level detector. Since the molten metal surface is always maintained at the standard level set when the detector comes into contact with and separates from the molten metal surface, the molten metal suction head for the electromagnetic pump that pumps the molten metal is always maintained at a constant level. . Therefore, in the conventional open-type molten metal insulating furnace in which the melt level fluctuates, there is no need for a quantitative control mechanism for the pump discharge amount, which requires a complicated mechanism. Further, the mechanism for maintaining a constant level of the hot water level according to the present invention not only has a simple mechanism and is inexpensive, but also has high control accuracy, so that the quality of cast products and work efficiency can be improved.
第１図は本発明に係る開放型溶湯保温炉の一実施例の断
面図、第２図は同じく他の実施例の断面図、第３図は従
来の開放型溶湯保温炉の断面図である。
１０、、、ダイカストマシン １２．、、溶湯１４、、
、開放型溶湯保温炉 １６．、、電磁ポンプ１８、、、
吸込管 ２０．、、吐出管２２）、、補給路
３０．、．１ｊＬ−漬体３２）、、昇降手段
３４．、、支持棒３６、、、昇降機構 ３
８．、、ブラケット４０、、、湯面検出器 ４２．
、、ブラケット４４、、、昇降操作＠ ４６．’
、、開閉弁４Ｂ、、、開閉手段 ５０．、、区画
壁５２）、、連通口 ５４．、、溶湯貯留室５
６、、、溶湯供給室
特許出願人 東芝機械株式会社
ＦＩＧ、３FIG. 1 is a sectional view of one embodiment of an open type molten metal insulating furnace according to the present invention, FIG. 2 is a sectional view of another embodiment, and FIG. 3 is a sectional view of a conventional open type molten metal insulating furnace. . 10. Die casting machine 12. ,,molten metal 14,,
, open type molten metal insulating furnace 16. ,,electromagnetic pump 18,,,
Suction pipe 20. ,,discharge pipe 22),,supply path
30. ,．． 1jL-pickling body 32), lifting means
34. ,,support rod 36,,lifting mechanism 3
8. ,,bracket 40,,,molten water level detector 42.
,,bracket 44,,,lifting operation @ 46. '
,,Opening/closing valve 4B,,,Opening/closing means 50. ,, partition wall 52),, communication port 54. ,, Molten metal storage chamber 5
6. Molten metal supply chamber patent applicant Toshiba Machine Co., Ltd. FIG. 3
Claims (2)
湯を貯留する開放型溶湯保温炉において、炉体内部に溶
湯中に浸漬される浸漬体を昇降自在に配置し、さらに溶
湯の湯面を検出する湯面検出器を取付け、炉体上部に前
記浸漬体の昇降手段を設けると共にこれを昇降操作器を
介して前記湯面検出器に接続することを特徴とする開放
型溶湯保温炉。(1) In an open-type molten metal insulating furnace that stores molten metal that is pumped to a casting device or the like via a pressure pump, an immersion body that is immersed in the molten metal is arranged inside the furnace body so that it can be raised and lowered, and An open type molten metal heat insulating furnace characterized in that a molten metal level detector for detecting the surface of the molten metal is attached, a means for raising and lowering the immersion body is provided on the upper part of the furnace body, and this is connected to the molten metal level detector via a raising and lowering operation device. .
おいて、炉内を下部に連通口を有する区画壁で溶湯貯留
室と溶湯供給室とに区画し、溶湯貯留室に浸漬体を溶湯
供給室に湯面検出器をそれぞれ配設してなる開放型溶湯
保温炉。(2) In the open-type molten metal insulating furnace according to claim 1, the inside of the furnace is divided into a molten metal storage chamber and a molten metal supply chamber by a partition wall having a communication port at the bottom, and an immersion body is placed in the molten metal storage chamber. An open type molten metal insulating furnace with a molten metal level detector installed in each molten metal supply chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26556686A JPH0230787B2 (en) | 1986-11-10 | 1986-11-10 | KAIHOGATAYOYUHOONRO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26556686A JPH0230787B2 (en) | 1986-11-10 | 1986-11-10 | KAIHOGATAYOYUHOONRO |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63119965A true JPS63119965A (en) | 1988-05-24 |
| JPH0230787B2 JPH0230787B2 (en) | 1990-07-09 |
Family
ID=17418894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26556686A Expired - Lifetime JPH0230787B2 (en) | 1986-11-10 | 1986-11-10 | KAIHOGATAYOYUHOONRO |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230787B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2323804A (en) * | 1997-03-31 | 1998-10-07 | Ryobi Ltd | Molten metal supply |
| US11951535B1 (en) * | 2022-12-23 | 2024-04-09 | Zhejiang Hailiang Co., Ltd. | Casting furnace featuring submerged, mechanical control of liquid level |
-
1986
- 1986-11-10 JP JP26556686A patent/JPH0230787B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2323804A (en) * | 1997-03-31 | 1998-10-07 | Ryobi Ltd | Molten metal supply |
| US11951535B1 (en) * | 2022-12-23 | 2024-04-09 | Zhejiang Hailiang Co., Ltd. | Casting furnace featuring submerged, mechanical control of liquid level |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0230787B2 (en) | 1990-07-09 |
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