JPH04187366A - Method and device for transferring molten metal - Google Patents
Method and device for transferring molten metalInfo
- Publication number
- JPH04187366A JPH04187366A JP31697190A JP31697190A JPH04187366A JP H04187366 A JPH04187366 A JP H04187366A JP 31697190 A JP31697190 A JP 31697190A JP 31697190 A JP31697190 A JP 31697190A JP H04187366 A JPH04187366 A JP H04187366A
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- molten metal
- metal
- metal hot
- inert gas
- 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
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 77
- 239000002184 metal Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000011261 inert gas Substances 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract 4
- 239000012530 fluid Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 2
- 210000003323 beak Anatomy 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 12
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 12
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001105 regulatory effect Effects 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）
この発明は、金属湯を定量宛移送することを目的とした
溶融金属の移送方法及び装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method and apparatus for transferring molten metal for the purpose of transferring metal hot water to a fixed amount.
（従来の技術）
従来金属湯を定量移送するには、機械的ポンプを用いて
時間制御するか、金属湯を分注器に分取する方法が知ら
れている。(Prior Art) Conventionally, in order to transfer a fixed amount of metallic hot water, it is known to use a mechanical pump to control the time, or to dispense the metallic hot water into a dispenser.
（発明により解決すべき課題）
然るに、機械的ポンプを用いる方法は、排出量を時間制
御で規制しているけれども、金属湯温により同一時間に
流れる金属湯量が異なる為に不正確であり、量的信頼度
が低い（例えば５％以上の誤差がある）。また、機械的
ポンプなるが為に故障を生じ易い問題点もあった。次に
、金属湯を分注器に分取し、これを必要筒所に配る方法
は、人力が介在する為に、重労働になるのみならず、危
険を生じ易い問題点があった。(Problem to be solved by the invention) However, although the method using a mechanical pump regulates the discharge amount by time control, it is inaccurate because the amount of metal water flowing at the same time varies depending on the temperature of the metal water, and the amount reliability is low (for example, there is an error of 5% or more). Furthermore, since it is a mechanical pump, there is a problem in that it is prone to failure. Next, the method of dispensing metal hot water into a dispenser and distributing it to the necessary locations requires manual labor, which not only requires heavy labor but also has the problem of being dangerous.
（課題を解決する為の手段）
然るにこの発明は、必要量の金属湯を分取し、これを不
活性ガスの圧力により取出すようにしたので、金属湯の
移送が自動化され人力の介在もなく、しかも、金属湯内
に機械的移動部品がないなど、前記従来の問題点を悉く
解決することに成功したのである。(Means for Solving the Problem) However, in this invention, the necessary amount of metal hot water is separated and taken out by the pressure of inert gas, so the transfer of metal hot water is automated and there is no need for human intervention. Moreover, they succeeded in solving all the problems of the conventional method, such as the absence of mechanically moving parts in the metal bath.
即ちこの発明は、金属湯を分取すると共に、分取した金
属湯に不活性ガスにより圧力を加えて、移動させること
を特徴とした溶融金属の移送方法である。また、金属湯
の分取は、不活性ガスの圧力により、金属湯を定量室に
満たすこととしたものである。次に、金属湯の分取は、
定量器への分注により行うこととしたものである。That is, the present invention is a method for transferring molten metal characterized by separating the metal hot water, applying pressure to the separated metal hot water using an inert gas, and moving the metal hot water. In addition, the preparative separation of metallic hot water is carried out by filling a metering chamber with metallic hot water under the pressure of an inert gas. Next, the preparative separation of metallic hot water is
It was decided to perform this by dispensing into a quantitative meter.
この発明の装置は、金属湯内へ挿入するポンプであって
、中央部に定量室を設け、該定量室の上部に不活性ガス
の出入手段を備えた加圧室を連設すると共に、定量室の
上端に金属湯の導入路の上端を連結開口し、前記定量室
底に排出路の下端を連結開口し、前記導入路の下端と、
排出路の上端どの間に所定の高低差を付与したことを特
徴とする溶融金属の移送装置である。The device of the present invention is a pump that is inserted into a metal hot water, and is provided with a metering chamber in the center, a pressurized chamber equipped with an inert gas inlet/output means connected to the upper part of the metering chamber, and a metering chamber. The upper end of the metal hot water introduction path is connected to the upper end of the chamber, the lower end of the discharge path is connected to the bottom of the metering chamber, and the lower end of the introduction path is connected to the bottom of the metering chamber.
This molten metal transfer device is characterized in that a predetermined height difference is provided between the upper ends of the discharge passages.
またこの発明における他の装置は、金属湯内へ挿入する
上端密封の筒体であって、該筒体内に昇降手段を備えた
定量器を収容すると共に、前記定量器の上昇位置に金属
湯の加圧排出手段を設置し、前記筒体の上部に加圧不活
性ガスの給排手段を付設したこととを特徴とする溶融金
属の移送装置である。次に、定量器の昇降手段は、流体
圧シリンダのロッドとしたものである。更に、加圧排出
手段は、筒体の内外を貫通する排出管であって、下端部
は定量器内へ挿入できるようになっており、上端部は金
属湯レベルとしたものである。また、不活性ガスの給排
手段は三方バルブを有するガス管の先端を連設したもの
である。Another device of the present invention is a cylindrical body whose upper end is sealed to be inserted into a metal hot water, and a metering device equipped with a lifting means is housed in the cylinder, and the metal hot water is placed in the raised position of the metering device. This molten metal transfer device is characterized in that a pressurized discharge means is installed, and a pressurized inert gas supply/discharge means is attached to the upper part of the cylindrical body. Next, the elevating means of the meter is a rod of a fluid pressure cylinder. Further, the pressurized discharge means is a discharge pipe passing through the inside and outside of the cylinder, the lower end of which can be inserted into the quantitative meter, and the upper end of which is at the level of metal hot water. Further, the inert gas supply/discharge means is a gas pipe having a three-way valve connected to its tip.
前記のようにこの発明は、直接金属湯に触れる動力部分
がないので、長期に亘って使用しても故障を生じるおそ
れがない。また、定量室に分取するので、量的精度が良
好である等の特質がある。As mentioned above, since this invention does not have a power part that comes into direct contact with the metal hot water, there is no risk of failure even if it is used for a long period of time. In addition, since it is fractionated into a quantitative chamber, it has characteristics such as good quantitative accuracy.
前記における不活性ガスとしては、例えば窒素ガスを用
いる。また、溶融金属はアルミニウムその他であって材
質に制限はない。As the inert gas in the above, for example, nitrogen gas is used. Further, the molten metal may be aluminum or other materials, and there are no restrictions on the material.
（作 用）
この発明は加圧不活性ガスを使用して金属湯を押し出す
ので、圧力が均等に作用すると共に、圧力を同一にすれ
ば、同一動作を正確に繰り返すことができる。また、不
活性ガスの圧力と、金属湯の重力による圧力を利用して
いるので、常時一定の状態が繰り返される。しかも、加
圧室は金属湯により密封されているので、外気が侵入す
るおそれがない。即ち、加圧室の金属湯は不活性ガスに
接触するのみとなっている。(Function) Since this invention uses pressurized inert gas to push out the metal hot water, the pressure acts evenly, and if the pressure is made the same, the same operation can be repeated accurately. Also, since it uses the pressure of inert gas and the pressure of gravity of the metal hot water, a constant state is constantly repeated. Moreover, since the pressurized chamber is sealed with metal hot water, there is no risk of outside air entering. That is, the metal hot water in the pressurized chamber only comes into contact with the inert gas.
（実施例１）
この発明の方法を第１図及び第２図に基づいて説明する
。(Example 1) The method of the present invention will be explained based on FIGS. 1 and 2.
金属湯１内へポンプ２を挿入し、ポンプ２を所定のレベ
ルに固定する。ついで、ガス管３かう矢示４のように窒
素ガスを加圧送入すれば（例えば水柱２００ｍ）、ポン
プ２の加圧室５の金属湯レベル６は逐次下降する。金属
湯レベル６が定量室７の上端に達したならば、窒素ガス
の圧力を水柱５００ｍｍに高める。このようにすれば、
定量室７内の金属湯は矢示８．９．１０のように排出路
１１を経て外界へ排出される。一方、導入路１２の金属
湯面は、前記水柱５００關分だけ下降する。The pump 2 is inserted into the metal hot water 1 and fixed at a predetermined level. Next, if nitrogen gas is fed under pressure as shown by arrow 4 through the gas pipe 3 (for example, to a water column of 200 m), the metal hot water level 6 in the pressurizing chamber 5 of the pump 2 will be gradually lowered. When the metal hot water level 6 reaches the upper end of the metering chamber 7, the pressure of nitrogen gas is increased to 500 mm of water column. If you do this,
The metal hot water in the metering chamber 7 is discharged to the outside world through the discharge passage 11 as shown by arrows 8, 9, and 10. On the other hand, the level of the metal hot water in the introduction path 12 is lowered by the amount of 500 water columns.
従って導入路１２の下端は、前記金属場面の下降
゛以下にしておく必要がある。このようにして定量室７
内の金属湯を全部排出したならば、コック１３を切換え
て加圧室内の窒素ガスを放出すれば、金属場面は矢示１
４のように自動的に旧位置へ復帰し、加圧前の状態に戻
る。そこで再びコック１３を切換え、窒素ガスを加圧送
入することにより、前記動作を繰り返すことができる。Therefore, the lower end of the introduction channel 12 is located at the lower end of the metal scene.
It is necessary to keep it below. In this way, the quantitative chamber 7
Once all the metal hot water in the pressurized chamber has been drained, switch the cock 13 to release the nitrogen gas in the pressurized chamber, and the metal scene will be as shown by arrow 1.
4, it automatically returns to the old position and returns to the state before pressurization. Then, by switching the cock 13 again and supplying nitrogen gas under pressure, the above operation can be repeated.
前記において、当初窒素ガスの圧力を水柱２００ｍｍと
し、ついで水柱５０Ｃ１＋ｍにするのは、当初定量室７
内へ一定の金属湯を入れる為である。実験の結果によれ
ば、この実施例による金属湯量の誤差は２％以下であっ
て、此の種ポンプとしてはきわめて高精度であることが
認められた。In the above, the pressure of the nitrogen gas is initially set to 200 mm of water column and then to 50 C1+m of water column in the initial quantitative chamber 7.
This is to put a certain amount of metal hot water inside. According to the results of the experiment, the error in the amount of metal hot water according to this example was 2% or less, and it was recognized that the pump had extremely high accuracy for this type of pump.
次に第２図の実施例は、前記第１図の実施例の定量室の
入口を塞板１６により狭め、かつ定量室７の底部１５を
排出路１１の入口方向に下向傾斜、 させたものである
。このように形成することによって一回に排出する金属
湯の定量精度を一層向上させることができた。Next, in the embodiment shown in FIG. 2, the entrance of the metering chamber of the embodiment shown in FIG. It is something. By forming it in this way, it was possible to further improve the accuracy of quantitative determination of the metal hot water discharged at one time.
（実施例２）
次にこの発明の他の実施例を第３図及び第４図に基づい
て説明する。(Embodiment 2) Next, another embodiment of the present invention will be described based on FIGS. 3 and 4.
金属湯槽１７の〜側に排出装置１８を挿入設置する。前
記排出装置１８は上部を閉塞した筒体１９内に定量器２
０を昇降自在に収容すると共に、前記筒体１９の塞板２
１を貫通して、流体圧シリンダー２２０ロツド２３を下
降させ、前記定量器２０を、前記ロッド２３の下端に固
定する。また、前記定量器２０の上昇位置には屈曲排出
管２４を貫通設置し、屈曲排出管２４の下端部２４ａは
前記定量器２０へ挿入し得る位置に垂下され、上端部の
排出量２４ｂは屈曲して横方向に伸ばしである。前記流
体圧シリンダー２２は、筒体１９の塞板２１上へ立設し
た案内筒２５の上方へ倒立設置されている。前記案内筒
２５には窒素ガスのガス管２６が連結開口しである。図
中２７は給湯口、２８は給湯蓋、２９は仕切板である。A discharge device 18 is inserted and installed on the ~ side of the metal hot water tank 17. The discharge device 18 has a meter 2 in a cylindrical body 19 whose upper part is closed.
0 can be raised and lowered freely, and the closing plate 2 of the cylindrical body 19
1, the hydraulic cylinder 220 and the rod 23 are lowered, and the meter 20 is fixed to the lower end of the rod 23. Further, a bent discharge pipe 24 is installed to pass through the raised position of the quantitative meter 20, the lower end 24a of the bent discharge pipe 24 is suspended at a position where it can be inserted into the quantitative meter 20, and the discharge volume 24b of the upper end is bent. Then stretch it horizontally. The fluid pressure cylinder 22 is installed upside down above a guide tube 25 that is erected on the closing plate 21 of the cylinder body 19. The guide cylinder 25 has a connecting opening with a nitrogen gas pipe 26 . In the figure, 27 is a hot water supply inlet, 28 is a hot water supply lid, and 29 is a partition plate.
前記実施例において、流体圧シリンダー２２の上部に加
圧流体を供給すると、ロッド２３は矢示３０のように下
方へ伸びるので、定量器２０は金属湯内へ入る。そこで
流体圧シリンダー２２の下部に加圧流体を供給すると、
ロッド２３は矢示３１のように上昇するので、定量器２
０も同方向へ上昇する。そこで定量器２０内へ屈曲排出
管２４の下端が挿入される。そこでガス管２６から矢示
３３のように窒素ガスを加圧送入すれば、筒体１９内の
圧力が高まるので、定量器２０内の金属場面は加圧され
、金属湯は矢示３２．３４のように屈曲排出管２４を経
て外界へ排出される。このようにして定量器内の金属湯
を全部排出したならば、ガス管２６からの窒素ガスの送
入を中止し、再びロッド２３を下降して、定量器２０に
金属湯を満した後、再び引上げ、前記動作を繰り返す。In the embodiment described above, when pressurized fluid is supplied to the upper part of the hydraulic cylinder 22, the rod 23 extends downward as indicated by the arrow 30, so that the meter 20 enters the metal bath. Therefore, when pressurized fluid is supplied to the lower part of the fluid pressure cylinder 22,
Since the rod 23 rises as shown by the arrow 31, the meter 2
0 also rises in the same direction. Then, the lower end of the bent discharge pipe 24 is inserted into the meter 20. Therefore, if nitrogen gas is fed under pressure from the gas pipe 26 as shown by the arrow 33, the pressure inside the cylindrical body 19 will increase, so the metal part in the meter 20 will be pressurized, and the metal hot water will be pumped in as shown by the arrows 32 and 33. It is discharged to the outside world through the bent discharge pipe 24 as shown in FIG. After all the metal hot water in the meter has been discharged in this way, the supply of nitrogen gas from the gas pipe 26 is stopped, and the rod 23 is lowered again to fill the meter 20 with metal hot water. Pull it up again and repeat the above operation.
前記実施例によれば、定量器内の金属湯を全部排出する
為に、−回に排出する金属湯の定量精度が極めてよいこ
とが認められた。According to the above embodiment, since all the metal hot water in the meter is discharged, it has been found that the accuracy of measuring the metal hot water discharged in the -th cycle is extremely high.
前記において、ロッド２３のストロークを調節し、又は
シリンダーの設置位置を上下することによって、定量器
２０内へ突入する屈曲排出管端の深さを調節し、これに
より金属湯の一回分の排出量を規制することができる。In the above, by adjusting the stroke of the rod 23 or raising or lowering the installation position of the cylinder, the depth of the bent discharge pipe end that protrudes into the quantitative meter 20 is adjusted, and thereby the discharge amount for one batch of metal hot water is adjusted. can be regulated.
（発明の効果）
この発明によれば、不活性ガスの圧力によって金属湯を
排出するので、金属湯に接触する物は機械的動作をしな
い特質がある。従って長期に使用しても故障を生じるお
それはない。(Effects of the Invention) According to the present invention, since the metal hot water is discharged by the pressure of the inert gas, objects that come into contact with the metal hot water do not move mechanically. Therefore, there is no risk of failure even after long-term use.
また、定量室又は定量器を使用するので、−回に出す金
属湯の量的精度を極めて高精度にできる効果がある。Furthermore, since a metering chamber or a metering device is used, there is an effect that the quantitative accuracy of the metal hot water dispensed in the -th cycle can be made extremely precise.
第１図はこの発明の実施例の一部を省略した拡大断面図
、第２図は同じく定量室の形状を変えた実施例の一部を
省略した拡大断面図、第３図は同じく他の実施装置の使
用状態における拡大側面図、第４図は同じく正面図であ
る。
１・・・金属湯 ２・・・ポンプ３・・・ガス管
５・・・加圧室６・・・金属湯レベル ７・・
・定量室１１・・・排出路 １２・・・導入路１６
・・・塞板 １７・・・金属湯槽１８・・・排出
装置 １９・・・筒体２０・・・定量器 ２１・
・・塞板２２・・・流体圧シリンダー
２３・・・ロッド ２４・・・屈曲排出管２５・・
・案内筒 ２６・・・ガス管２７・・・給湯口
２８・・・給湯蓋２９・・・仕切板FIG. 1 is an enlarged cross-sectional view of an embodiment of the present invention with a part omitted, FIG. 2 is an enlarged cross-sectional view of an embodiment with a different shape of the metering chamber, and FIG. FIG. 4 is an enlarged side view of the implementation device in a state of use, and is also a front view. 1... Metal hot water 2... Pump 3... Gas pipe 5... Pressurized chamber 6... Metal hot water level 7...
・Quantitative determination chamber 11...Discharge channel 12...Introduction channel 16
... Closing plate 17 ... Metal hot water tank 18 ... Discharge device 19 ... Cylindrical body 20 ... Meter 21.
...Closing plate 22...Fluid pressure cylinder 23...Rod 24...Bend discharge pipe 25...
・Guide tube 26...Gas pipe 27...Hot water inlet
28... Hot water supply lid 29... Partition plate
Claims (1)
ガスにより圧力を加えて、移動させることを特徴とした
溶融金属の移送方法 ２ 金属湯の分取は、不活性ガスの圧力により、金属湯
を定量室に満たすこととした請求項１記載の溶融金属の
移送方法 ３ 金属湯の分取は、定量器への分注により行うことと
した請求項１記載の溶融金属の移送方法 ４ 金属湯内へ挿入するポンプであって、中央部に定量
室を設け、該定量室の上部に不活性ガスの出入手段を備
えた加圧室を連設すると共に、定量室の上端に金属湯の
導入路の上端を連結開口し、前記定量室底に排出路の下
端を連結開口し、前記導入路の下端と、排出路の上端と
の間に所定の高低差を付与したことを特徴とする溶融金
属の移送装置 ５ 金属湯内へ挿入する上端密封の筒体であって、該筒
体内に昇降手段を備えた定量器を収容すると共に、前記
定量器の上昇位置に金属湯の加圧排出手段を設置し、前
記筒体の上部に加圧不活性ガスの給排手段を付設したこ
ととを特徴とする溶融金属の移送装置 ６ 定量器の昇降手段は、流体圧シリンダのロッドとし
た請求項５記載の溶融金属の移送装置 ７ 加圧排出手段は、筒体の内外を貫通する排出管であ
って、下端部は定量器内へ挿入できるようになっており
、上端部は金属湯排出嘴とした請求項５記載の溶融金属
の移送装置 ８ 不活性ガスの給排手段は三方バルブを有するガス管
の先端を連設した請求項５記載の溶融金属の移送装置[Scope of Claims] 1. A method for transferring molten metal characterized by separating the metal hot water and applying pressure to the separated metal hot water with an inert gas to move it.2 The method of separating the metal hot water includes: A method for transferring molten metal according to claim 1, wherein the metering chamber is filled with the metal hot water under the pressure of an inert gas. A method according to claim 1, wherein the metal hot water is separated by dispensing it into a meter. Method 4 for transferring molten metal A pump inserted into a metal hot water, comprising a metering chamber in the center, a pressurized chamber equipped with an inert gas inlet and outlet means connected to the upper part of the metering chamber, and The upper end of the metal hot water introduction path is connected to the upper end of the metering chamber, and the lower end of a discharge path is connected to the bottom of the metering chamber, and a predetermined height difference is established between the lower end of the introduction path and the upper end of the discharge path. A molten metal transfer device 5, characterized in that it is a cylindrical body with an upper end sealed that is inserted into a metal bath, and houses a metering device equipped with a lifting means in the cylinder, and also lifts the metering device. A molten metal transfer device 6, characterized in that a means for pressurizing and discharging metal hot water is installed at a position, and a means for supplying and discharging pressurized inert gas is attached to the upper part of the cylindrical body. The molten metal transfer device 7 according to claim 5, wherein the pressurized discharge means is a rod of a fluid pressure cylinder. The molten metal transfer device 8 according to claim 5, wherein the upper end is a metal hot water discharge beak.The molten metal transfer device 8 according to claim 5, wherein the inert gas supply and discharge means is connected to the tip of a gas pipe having a three-way valve. Transfer device
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2316971A JP2676651B2 (en) | 1990-11-21 | 1990-11-21 | Molten metal transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2316971A JP2676651B2 (en) | 1990-11-21 | 1990-11-21 | Molten metal transfer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04187366A true JPH04187366A (en) | 1992-07-06 |
| JP2676651B2 JP2676651B2 (en) | 1997-11-17 |
Family
ID=18082981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2316971A Expired - Fee Related JP2676651B2 (en) | 1990-11-21 | 1990-11-21 | Molten metal transfer device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2676651B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0534663A2 (en) * | 1991-09-26 | 1993-03-31 | Ariake Ceramic Constructions Co., Ltd. | Method, system and apparatus for transferring fluids |
| JPH08309514A (en) * | 1995-05-22 | 1996-11-26 | Sukegawa Electric Co Ltd | Device for supplying molten metal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59215264A (en) * | 1983-05-24 | 1984-12-05 | Nachi Fujikoshi Corp | Device for ladling molten metal on specified amount |
-
1990
- 1990-11-21 JP JP2316971A patent/JP2676651B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59215264A (en) * | 1983-05-24 | 1984-12-05 | Nachi Fujikoshi Corp | Device for ladling molten metal on specified amount |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0534663A2 (en) * | 1991-09-26 | 1993-03-31 | Ariake Ceramic Constructions Co., Ltd. | Method, system and apparatus for transferring fluids |
| EP0534663A3 (en) * | 1991-09-26 | 1993-10-06 | Ariake Ceramic Constructions Co., Ltd. | Method, system and apparatus for transferring fluids |
| JPH08309514A (en) * | 1995-05-22 | 1996-11-26 | Sukegawa Electric Co Ltd | Device for supplying molten metal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2676651B2 (en) | 1997-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |