JPH09295108A - Casting method using float for casting and its device - Google Patents
Casting method using float for casting and its deviceInfo
- Publication number
- JPH09295108A JPH09295108A JP14061896A JP14061896A JPH09295108A JP H09295108 A JPH09295108 A JP H09295108A JP 14061896 A JP14061896 A JP 14061896A JP 14061896 A JP14061896 A JP 14061896A JP H09295108 A JPH09295108 A JP H09295108A
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- float
- casting
- mold
- nozzle
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005266 casting Methods 0.000 title claims description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 94
- 239000002184 metal Substances 0.000 claims abstract description 93
- 238000007654 immersion Methods 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 238000009749 continuous casting Methods 0.000 claims description 10
- 238000007598 dipping method Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 2
- 230000009545 invasion Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 7
- 230000004907 flux Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910009038 Sn—P Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Landscapes
- Continuous Casting (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、鋳造用フロートを
用いた鋳造法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a casting method using a casting float.
【０００２】[0002]
【従来の技術】連続鋳造法は、垂直取出式，垂直−屈曲
−整直形式，円弧屈曲−整直形式，オーバル屈曲−整直
形式等の鋳造設備で行われ、その要部の一例を示したの
が図３である。即ち、図３において、ターンデッシュ１
内の溶湯が浸漬ノズル２を通って吐出口１０から鋳型３
内に流入され、流入された溶湯は該鋳型３表面から冷却
されて凝固しながら連続的に下方へ引き抜かれる。この
とき、鋳型３内溶湯表面には、溶湯の酸化防止等のため
にフラックス４が散布される。2. Description of the Related Art A continuous casting method is carried out in a casting facility such as a vertical take-out type, a vertical-bending-rectifying type, an arc bending-rectifying type, an oval bending-rectifying type, etc. Figure 3 shows That is, in FIG. 3, turn dish 1
The molten metal in the mold passes through the immersion nozzle 2 and the discharge port 10 through the mold 3
The molten metal that has flowed in is cooled from the surface of the mold 3 and solidified and continuously drawn downward. At this time, the flux 4 is sprinkled on the surface of the molten metal in the mold 3 in order to prevent oxidation of the molten metal.
【０００３】このようにして製造されるインゴット表面
にはフラックスの巻き込みや割れ等が発生することがあ
り、これらの表面欠陥は品質及び生産性の低下を招く。On the surface of the ingot produced in this way, flux entrainment, cracks, etc. may occur, and these surface defects lead to deterioration in quality and productivity.
【０００４】これらの表面欠陥の発生要因の一つに、鋳
型３内の湯面レベルの変動が挙げられ、その対策として
は、鋳型３内の湯面レベルの制御が必要となる。鋳型３
内の湯面レベルの制御は、図４に示すように渦電流等を
利用した湯面レベル計測器７から得られた信号により浸
漬ノズル２を閉塞するためのストッパー５を制御して溶
湯の流入量を調節する方法が一般的である。One of the causes of these surface defects is the fluctuation of the molten metal level in the mold 3, and the countermeasure is to control the molten metal level in the mold 3. Mold 3
As for the control of the molten metal level inside, as shown in FIG. 4, the inflow of molten metal is controlled by controlling the stopper 5 for closing the immersion nozzle 2 by the signal obtained from the molten metal level measuring device 7 using eddy current or the like. The method of adjusting the amount is common.
【０００５】しかしながら、上記のような湯面レベルの
制御方法では、比較的湯面が安定している定常状態では
高精度な湯面制御が可能であるが、鋳造スタート時や終
了時等の非定常状態における湯面制御が非常に困難で、
そのために非定常状態での欠陥発生率も高く、歩留まり
低下の原因となっている。However, with the above-described control method of the molten metal level, it is possible to perform highly accurate molten metal level control in a steady state in which the molten metal level is relatively stable, but it is not possible to control the molten metal level at the start or end of casting. It is very difficult to control the molten metal level in the steady state,
Therefore, the defect occurrence rate in the non-steady state is also high, which causes a decrease in yield.
【０００６】また、従来の方法では、数ミリのオーダー
で湯面レベルを変動なく制御することは極めて難しく、
その結果、湯面レベルと吐出口間の距離も変動し、フラ
ックスの巻き込み等の表面欠陥が発生する虞れがあり、
精度良く鋳型３内の湯面を制御するためには多大なコス
トも必要となる等の欠点がある。Further, in the conventional method, it is extremely difficult to control the molten metal level on the order of several millimeters without fluctuation,
As a result, the level of the molten metal and the distance between the discharge ports also change, and there is a risk that surface defects such as flux entrainment may occur.
There is a drawback in that a large amount of cost is required to accurately control the molten metal level in the mold 3.
【０００７】[0007]
【発明が解決しようとする課題】本発明は、上記のよう
な従来技術の諸問題を解消し、安価でかつ高精度に鋳型
内の湯面レベルを制御でき、しかも非定常状態での欠陥
発生も抑制できる健全なスラブやビレットあるいは丸棒
のような単純断面形状の製品を溶湯から直接連続的に製
造することができる鋳造法と装置を提案するものであ
る。DISCLOSURE OF THE INVENTION The present invention solves the problems of the prior art as described above, can control the level of the molten metal in the mold at low cost and with high precision, and causes the occurrence of defects in an unsteady state. The present invention proposes a casting method and apparatus capable of directly and continuously producing a product having a simple cross-sectional shape such as a sound slab, billet or round bar capable of suppressing the above.
【０００８】[0008]
【課題を解決するための手段】本発明は、山型弁体を備
えたフロートを鋳型内の湯面に浮設し、溶湯を供給する
浸漬ノズルの吐出口を上記弁体と嵌合させて、該ノズル
からの溶湯吐出量を制御するもので、更に詳しくは有底
円筒形の函体フロートの内底部に円錐形の弁体を一体に
突出形成し、該フロートを鋳型内の湯面に浮かべ、ター
ンディッシュからの溶湯を供給する浸漬ノズルの下方を
上記フロート内に挿入し、該ノズル下端の溶湯吐出口を
上記弁体と嵌合自在に構成し、湯面レベルの位置変化に
連動して上下動する上記フロートの弁体のノズル吐出口
への食い込み深さにより該ノズルからの溶湯吐出量を調
整して鋳型内の湯面レベルを連続鋳造中一定に保持する
ようにしたものである。According to the present invention, a float provided with a mountain-shaped valve element is floated on a molten metal surface in a mold, and an outlet of a dipping nozzle for supplying molten metal is fitted to the valve element. In order to control the amount of molten metal discharged from the nozzle, more specifically, a conical valve element is integrally formed on the inner bottom portion of a bottomed cylindrical box body float, and the float is attached to the molten metal surface inside the mold. The lower part of the immersion nozzle that supplies the molten metal from the float and turn dish is inserted into the float, and the molten metal discharge port at the lower end of the nozzle is configured to be freely engageable with the valve body, and is linked to the position change of the molten metal level. The amount of molten metal discharged from the nozzle is adjusted by the depth of bite of the float that moves up and down into the nozzle discharge port to keep the molten metal level in the mold constant during continuous casting. .
【０００９】浸漬ノズルから吐出する溶湯は、いったん
上記フロート内に流入し、フロート下部の貫通孔から鋳
型内の湯面下に流出するが、このとき鋳型内への溶湯流
入量はフロートの浮遊位置により制御され、鋳型内の湯
面レベルが上昇したときはフロートも上昇することによ
り、上記山型弁体がノズル吐出口内に次第に食い込んで
閉塞して行くことによって溶湯吐出量を減少させる。一
方、鋳型内の湯面レベルが下降して行くとフロートも下
降し、山型弁体のノズル吐出口内への食い込み量が少な
くなって吐出口の断面積を大きくし、溶湯吐出量を増加
させる。The molten metal discharged from the dipping nozzle once flows into the float and flows out from the through hole at the bottom of the float to below the molten metal surface in the mold. At this time, the amount of molten metal flowing into the mold is the floating position of the float. When the level of the molten metal in the mold rises, the float also rises, so that the mountain-shaped valve body gradually bites into the nozzle discharge port to be blocked, thereby reducing the molten metal discharge amount. On the other hand, when the level of the molten metal in the mold is lowered, the float is also lowered, and the bite amount of the chevron-shaped valve body into the nozzle discharge port is reduced, increasing the cross-sectional area of the discharge port and increasing the molten metal discharge amount. .
【００１０】このようにして、鋳型内の溶湯量を制御す
ることにより、鋳型内の湯面レベルを一定に保持するこ
とができるのである。以下、本発明の実施形態を図面を
参照して説明する。By controlling the amount of molten metal in the mold in this way, the level of the molten metal in the mold can be kept constant. Embodiments of the present invention will be described below with reference to the drawings.
【００１１】[0011]
【発明の実施の形態】図１は本発明に係る連続鋳造装置
の一実施例を示す説明的側面図、図２はこれに使用する
鋳造用フロートの一例を示す斜視図で、１は金属溶湯を
溜めて鋳型３内へ供給するための従来と同様のターンデ
ィッシュであり、該ターンディッシュ１の底部中央には
該ターンディッシュ１に連通する円管型の浸漬ノズル２
が下側の鋳型３内に向けて垂設されている。1 is an explanatory side view showing an embodiment of a continuous casting apparatus according to the present invention, FIG. 2 is a perspective view showing an example of a casting float used for the apparatus, and 1 is a molten metal. It is a turn dish similar to the conventional one for accumulating and supplying it into the mold 3, and a circular tube type immersion nozzle 2 communicating with the turn dish 1 at the center of the bottom of the turn dish 1.
Are vertically installed in the lower mold 3.
【００１２】８は上記ノズル２からの溶湯吐出量を調節
するための鋳造用フロートで、黒鉛により構成され、そ
の形状は例えば図２に示すように全体が厚肉の有底短円
筒形の函体に形成され、上記ノズル２が遊嵌し得る大き
さの内径を有し、その内底部には該内底面を底面とする
該函体フロート８を構成する周壁８ａの高さより低い図
２のような円錐形、あるいは上半球型、逆椀型等の山型
に突出形成された弁体９が一体に設けられ、該フロート
周壁８ａの下部には複数個の貫通孔１１が開設されてい
る。Reference numeral 8 denotes a casting float for adjusting the amount of molten metal discharged from the nozzle 2, which is made of graphite, and its shape is, for example, as shown in FIG. 2 is lower than the height of the peripheral wall 8a forming the box float 8 which is formed in the body and has a size such that the nozzle 2 can be loosely fitted, and whose inner bottom surface is the inner bottom surface. The valve body 9 is integrally provided so as to project in a cone shape, an upper hemisphere shape, an inverted bowl shape, or the like, and a plurality of through holes 11 are formed in the lower portion of the float peripheral wall 8a. .
【００１３】しかして、フロート８を鋳型３内の溶湯１
２面に浮かべ、あらかじめ設定した最低湯面位置におい
て浸漬ノズル２の下端吐出口１０内に上記山型弁体９の
頂部が嵌合するようにフロート８の浮力を調整してお
き、ノズル吐出口１０からターンディッシュ１内の溶湯
を函体フロート８内に流入させると、溶湯１２はフロー
ト周壁８ａの貫通孔１１を介して鋳型３内の湯面下に供
給される。Then, the float 8 is filled with the molten metal 1 in the mold 3.
Floating force of the float 8 is adjusted so that the top of the mountain-shaped valve body 9 fits in the lower end discharge port 10 of the immersion nozzle 2 at a preset minimum molten metal surface position, and the nozzle discharge port When the molten metal in the turn dish 1 is caused to flow into the box float 8 from 10, the molten metal 12 is supplied below the molten metal surface in the mold 3 through the through holes 11 of the float peripheral wall 8a.
【００１４】そして、鋳型３内の湯面レベルが上昇して
行くとフロート８も上昇し、該フロート８と一体の山型
弁体９の上部がノズル下端吐出口１０内に次第に深く侵
入し吐出口１０の断面積を小さくして行くことにより溶
湯吐出量を減少させ、最終的には完全に吐出口１０を閉
塞し、一方鋳型３内の湯面レベルが下降して行くとフロ
ート８も下降し、弁体９のノズル吐出口１０への食い込
み量が少なくなって吐出口１０の断面積が広がり、溶湯
吐出量が増加する。Then, as the level of the molten metal in the mold 3 rises, the float 8 also rises, and the upper part of the mountain-shaped valve body 9 integrated with the float 8 gradually penetrates deeply into the nozzle lower end discharge port 10 and is discharged. The molten metal discharge amount is reduced by decreasing the cross-sectional area of the outlet 10, and finally the discharge port 10 is completely closed, while the float 8 also descends when the molten metal level in the mold 3 decreases. However, the bite amount of the valve body 9 into the nozzle discharge port 10 decreases, the cross-sectional area of the discharge port 10 expands, and the molten metal discharge amount increases.
【００１５】このように、鋳型３内の湯面レベルに連動
して函体フロート８が上下動し、該フロート８と一体の
弁体９はフロート８内に挿入したノズル吐出口１０の少
なくとも一部を閉塞するように嵌合しているので、フロ
ート８の上下動により該吐出口１０の断面積を調節し、
従ってフロート８を介して鋳型３内に供給する溶湯量を
調整して、鋳型３内の湯面レベルを常に一定に保持する
ように働くのである。In this way, the box float 8 moves up and down in conjunction with the level of the molten metal in the mold 3, and the valve body 9 integrated with the float 8 has at least one of the nozzle discharge ports 10 inserted into the float 8. Since it is fitted so as to close the portion, the cross-sectional area of the discharge port 10 is adjusted by the vertical movement of the float 8,
Therefore, the amount of molten metal supplied into the mold 3 via the float 8 is adjusted so that the level of the molten metal in the mold 3 is constantly maintained.
【００１６】また、フロート８内底部に突出形成された
弁体９は円錐形等の山型に形成されているので、ノズル
２下端の吐出口１０から吐出する溶湯はまずこの山型弁
体９の頂部に当たってから弁体９の傾斜面を流下するこ
ととなるので、弁体９頂部は常にノズル２軸心部に向か
おうとする求心作用が生じ、フロート８がノズル２下部
から離脱することを防止する。Further, since the valve element 9 formed on the inner bottom portion of the float 8 is formed in a cone shape such as a cone shape, the molten metal discharged from the discharge port 10 at the lower end of the nozzle 2 is the mountain shape valve body 9 first. Since it will flow down the inclined surface of the valve body 9 after hitting the top portion of the valve body, the center portion of the valve body 9 always tries to move toward the axial center portion of the nozzle 2 and the float 8 is separated from the lower portion of the nozzle 2. To prevent.
【００１７】なお、フロート８の湯面に対する浮遊位置
は、黒鉛等のフロートの材質による比重やその形状、鋳
造速度等の鋳造条件によって異なるので、最適なものを
選定する。The floating position of the float 8 with respect to the molten metal surface depends on the specific gravity of the material of the float such as graphite, its shape, and the casting conditions such as the casting speed, so an optimum one is selected.
【００１８】実施例 本発明装置を用いて、連続鋳造試験を行った。溶湯とし
てＣｕ−Ｆｅ−Ｎｉ−Ｓｎ−Ｐ系の銅合金を供試し、鋳
造速度：９０ｍｍ／分，冷却水量：１２００ｌ／分，鋳
型形状：４８０ｍｍ×１８０ｍｍ，溶湯温度：１２００
℃の条件で約６０分間連続鋳造を行なったところ、鋳造
時における鋳型内の湯面レベルは目標値に対して±１ｍ
ｍ以内の精度で制御することができた。また、得られた
スラブの表面はフラックスの巻き込みや割れもなく、極
めて良好であった。Example A continuous casting test was conducted using the apparatus of the present invention. A Cu-Fe-Ni-Sn-P-based copper alloy was tested as a molten metal, casting speed: 90 mm / min, cooling water amount: 1200 l / min, mold shape: 480 mm x 180 mm, molten metal temperature: 1200
When continuous casting was performed for about 60 minutes at ℃, the molten metal level in the mold during casting was ± 1 m from the target value.
It was possible to control with accuracy within m. In addition, the surface of the obtained slab was extremely good without the inclusion of flux and cracking.
【００１９】[0019]
【発明の効果】本発明のフロートを用いる鋳造法は上述
のようにしてなり、従来のように計測器により常時鋳型
内の湯面レベルを計測する必要がなく、浸漬ノズルから
の溶湯吐出量をストッパーにより電気的に制御する必要
もないので、容易かつ安価に鋳型内の湯面レベルを高精
度で一定位置に制御できるのである。The casting method using the float of the present invention is as described above, and it is not necessary to constantly measure the molten metal surface level in the mold with a measuring instrument as in the conventional method, and the molten metal discharge amount from the dipping nozzle can be controlled. Since there is no need to electrically control with the stopper, the level of the molten metal in the mold can be easily and inexpensively controlled with high accuracy to a fixed position.
【００２０】また、上記フロートは当然に湯面に対する
浮遊位置が一定であるので、鋳型内の湯面から湯面下の
フロート周壁下部の溶湯流出用の貫通孔までの距離が鋳
造中常に一定に保持されるので、フラックスの巻き込み
等の欠陥発生を防止することができる。Further, since the float has a constant floating position with respect to the molten metal surface, the distance from the molten metal surface in the mold to the through hole for molten metal outflow at the lower portion of the peripheral wall of the float below the molten metal surface is always constant during casting. Since it is held, it is possible to prevent the occurrence of defects such as entrainment of flux.
【００２１】さらに、本発明によれば、鋳型内の湯面レ
ベルの変化に対する溶湯供給の対応が早く、非定常状態
の際の湯面制御も容易に行うことができるので、非定常
状態におけるブローホールやフラックス巻き込み等の欠
陥発生率を著しく低減することができ、歩溜りも極めて
向上するのである。Further, according to the present invention, the molten metal can be quickly supplied to changes in the level of the molten metal in the mold, and the molten metal can be easily controlled in the unsteady state. The rate of occurrence of defects such as holes and flux entrainment can be significantly reduced, and the yield can be greatly improved.
【図１】本発明に係る連続鋳造装置の一例実施例を示す
説明的側面図である。FIG. 1 is an explanatory side view showing an example embodiment of a continuous casting apparatus according to the present invention.
【図２】本発明に係る鋳造用フロートの一例を示す斜視
図である。FIG. 2 is a perspective view showing an example of a casting float according to the present invention.
【図３】従来の連続鋳造装置の概略を示す説明的側面図
である。FIG. 3 is an explanatory side view showing the outline of a conventional continuous casting device.
【図４】従来の連続鋳造装置における湯面制御方法の一
例を示す説明的側面図である。FIG. 4 is an explanatory side view showing an example of a molten metal level control method in a conventional continuous casting apparatus.
１−ターンデッシュ ２−浸漬ノズル ３−鋳型 ４−フラックス ５−ストッパー ６−ストッパー制御器 ７−湯面レベル計測器 ８−鋳造用フロート ９−山型弁体 １０−吐出口 １１−貫通孔 1-Turn Dish 2-Immersion Nozzle 3-Mold 4-Flux 5-Stopper 6-Stopper Controller 7-Melting Level Meter 8-Float for Casting 9-Mounted Valve 10-Discharge Port 11-Through Hole
フロントページの続き (72)発明者 藤原 諭 静岡県磐田郡豊岡村松之木島767番地 同 和メタル株式会社内 (72)発明者 高旗 孝 静岡県磐田郡豊岡村松之木島767番地 同 和メタル株式会社内Front page continuation (72) Inventor Satoshi Fujiwara, 767 Matsunokijima, Toyooka-mura, Iwata-gun, Shizuoka Dowa Metal Co., Ltd. Within
Claims (6)
面に浮設し、溶湯を供給する浸漬ノズルの吐出口を上記
弁体と嵌合させて、該ノズルからの溶湯吐出量を制御す
ることを特徴とする鋳造用フロートを用いた鋳造法。1. A float equipped with a chevron-shaped valve element is floated on a molten metal surface in a mold, and a discharge port of a dipping nozzle for supplying molten metal is fitted to the valve element to discharge the molten metal from the nozzle. A casting method using a casting float, which is characterized by controlling
て鋳造する方法において、有底円筒形の函体フロートの
内底部に山型の弁体を一体に突出形成し、該フロートを
鋳型内の湯面に浮設して、ターンディッシュからの溶湯
を供給する浸漬ノズルの下方を上記フロート内に挿入
し、該ノズル下端の溶湯吐出口を上記弁体と嵌合自在に
構成し、湯面レベルの位置変化に連動して上下動する上
記フロートの弁体のノズル吐出口への食い込み深さによ
り該ノズルからの溶湯吐出量を調整して鋳型内の湯面レ
ベルを一定に保持することを特徴とする鋳造用フロート
を用いた鋳造法。2. A method for discharging molten metal from a dipping nozzle into a mold for casting, wherein a mountain-shaped valve body is integrally formed on the inner bottom of a bottomed cylindrical box body float, and the float is used as a mold. The bottom of the immersion nozzle that floats on the molten metal surface inside and supplies the molten metal from the turn dish is inserted into the float, and the molten metal discharge port at the lower end of the nozzle is configured to be fittable with the valve body. Maintaining the level of molten metal in the mold by adjusting the amount of molten metal discharged from the nozzle by the depth of bite of the valve body of the float, which moves up and down in conjunction with the change in surface level, into the nozzle discharge port. A casting method using a casting float.
又は２記載の鋳造用フロートを用いた鋳造法。3. The casting method is a continuous casting method.
Or a casting method using the casting float according to 2.
周壁の下部に複数の溶湯流出用の貫通孔を開設した有底
円筒形の函体フロートを鋳型内の湯面に浮設し、ターン
ディッシュからの溶湯を供給する浸漬ノズルの下方を上
記フロート内に挿入して、該ノズル下端の溶湯吐出口を
上記弁体と嵌合自在に構成してなることを特徴とする鋳
造用フロートを用いた鋳造装置。4. A bottomed cylindrical box body float, in which a mountain-shaped valve element is integrally formed on the inner bottom portion and a plurality of through holes for molten metal outflow are formed in the lower portion of the peripheral wall, is floated on the molten metal surface in the mold. A casting characterized in that a lower part of a dipping nozzle for supplying molten metal from a turn dish is inserted into the float, and a molten metal discharge port at a lower end of the nozzle is configured to be fittable with the valve body. Casting device using a float for the market.
項４記載の鋳造フロートを用いた鋳造装置。5. The casting apparatus using a casting float according to claim 4, wherein the casting apparatus is a continuous casting apparatus.
て、内底部には該函体を構成する周壁の高さより低い円
錐形，上半球型，逆椀型等の山型の弁体を一体に突出形
成し、函体周壁の下部には複数の溶湯流出用の貫通孔を
開設してなる鋳造用フロート。6. A bottomed cylindrical box made of graphite, the inner bottom of which is a cone-shaped valve having a height lower than that of a peripheral wall forming the box, an upper hemisphere, an inverted bowl-shaped valve, or the like. A casting float in which the body is integrally formed in a protruding manner, and a plurality of through holes for molten metal outflow are formed in the lower portion of the peripheral wall of the box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14061896A JPH09295108A (en) | 1996-04-25 | 1996-04-25 | Casting method using float for casting and its device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14061896A JPH09295108A (en) | 1996-04-25 | 1996-04-25 | Casting method using float for casting and its device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09295108A true JPH09295108A (en) | 1997-11-18 |
Family
ID=15272904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14061896A Pending JPH09295108A (en) | 1996-04-25 | 1996-04-25 | Casting method using float for casting and its device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09295108A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005070589A1 (en) * | 2004-01-23 | 2005-08-04 | Sumitomo Metal Industries, Ltd | Immersion nozzle for continuous casting and continuous casting method using the immersion nozzle |
| US7131482B2 (en) | 1999-08-05 | 2006-11-07 | Pyrotek Engineering Materials Limited | Distributor device for use in metal casting |
-
1996
- 1996-04-25 JP JP14061896A patent/JPH09295108A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7131482B2 (en) | 1999-08-05 | 2006-11-07 | Pyrotek Engineering Materials Limited | Distributor device for use in metal casting |
| WO2005070589A1 (en) * | 2004-01-23 | 2005-08-04 | Sumitomo Metal Industries, Ltd | Immersion nozzle for continuous casting and continuous casting method using the immersion nozzle |
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