JPS6242024B2 - - Google Patents
Info
- Publication number
- JPS6242024B2 JPS6242024B2 JP53039360A JP3936078A JPS6242024B2 JP S6242024 B2 JPS6242024 B2 JP S6242024B2 JP 53039360 A JP53039360 A JP 53039360A JP 3936078 A JP3936078 A JP 3936078A JP S6242024 B2 JPS6242024 B2 JP S6242024B2
- Authority
- JP
- Japan
- Prior art keywords
- steel strip
- molten metal
- plating
- tank
- molten
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 40
- 239000010959 steel Substances 0.000 claims description 40
- 238000007747 plating Methods 0.000 claims description 34
- 229910052751 metal Inorganic materials 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 20
- 229910052725 zinc Inorganic materials 0.000 description 20
- 239000011701 zinc Substances 0.000 description 20
- 230000005499 meniscus Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005246 galvanizing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 102100027340 Slit homolog 2 protein Human genes 0.000 description 1
- 101710133576 Slit homolog 2 protein Proteins 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
- C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
- C23C2/0035—Means for continuously moving substrate through, into or out of the bath
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
- C23C2/0036—Crucibles
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/006—Pattern or selective deposits
- C23C2/0062—Pattern or selective deposits without pre-treatment of the material to be coated, e.g. using masking elements such as casings, shields, fixtures or blocking elements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
Description
【発明の詳細な説明】
本発明は鋼帯の片面のみに亜鉛、アルミニウム
等の耐食性金属を連続的に溶融メツキする方法に
関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for continuously hot-dip plating a corrosion-resistant metal such as zinc or aluminum on only one side of a steel strip.
片面のみに亜鉛メツキを施した鋼帯は、メツキ
施工面の耐食性保有、非メツキ面の塗装性および
溶接性保有の点より自動車用、建材用等に適して
いる。 Steel strips that are galvanized on only one side are suitable for use in automobiles, building materials, etc. because of the corrosion resistance of the plated surface and the paintability and weldability of the unplated surface.
鋼帯のみにメツキする方法として、非酸化性雰
囲気中の溶融金属浴の表面に、溶融金属の表面張
力および湿潤特性を利用して、メニスカスを形成
させ鋼帯の片面のみを接触させて溶融メツキする
方法（特開昭52―134826号）等が提案されてい
る。 As a method of plating only the steel strip, a meniscus is formed on the surface of a molten metal bath in a non-oxidizing atmosphere by utilizing the surface tension and wetting properties of the molten metal, and only one side of the steel strip is contacted. A method to do this (Japanese Patent Application Laid-open No. 134826/1983) has been proposed.
この方法は第１図に示すように鋼帯Ｋをシール
ロールＡにより非酸化性雰囲気のメツキ室Ｄ内に
導びき、デフレクターロールＢおよびロールＣに
より、メニスカスＧを形成した溶融金属Ｆと片面
のみ接触させて溶融メツキを施こし、その後ガス
ジエツトノズルＨにより余分の溶融金属を除去し
て、メツキ室Ｄから冷却室Ｊに出すものである。
この方法は非常に簡潔で優れた方法であるが、溶
融金属の表面張力と湿潤特性により生ずる鋼帯と
溶融金属浴面の間に生ずるメニスカスのみを利用
してメツキするために、金属浴面と鋼帯面との間
隔を正確に制御維持する必要がある。しかるに、
この方法では鋼帯の進行方向に交る断面に多少の
彎曲があつたり鋼帯の速度が早くなると、間隔の
正確な制御が困難になり非メツキ個所が生ずる恐
れがある。また、高速メツキ時には、メニスカス
部に雰囲気ガスをかみ込み、メツキ不良が生じや
すくなるので、自ずと、メツキ速度に限界があ
る。 In this method, as shown in Fig. 1, a steel strip K is guided into a plating chamber D in a non-oxidizing atmosphere by a seal roll A, and then a molten metal F with a meniscus G formed thereon is removed by a deflector roll B and a roll C. They are brought into contact to perform molten plating, and then excess molten metal is removed by a gas jet nozzle H and delivered from the plating chamber D to the cooling chamber J.
This method is very simple and excellent, but since it uses only the meniscus that occurs between the steel strip and the molten metal bath surface due to the surface tension and wetting characteristics of the molten metal, it It is necessary to accurately control and maintain the distance from the steel strip surface. However,
In this method, if there is some curvature in the cross section intersecting the direction of steel strip movement or if the speed of the steel strip increases, accurate control of the spacing becomes difficult and there is a risk that non-plated areas may occur. Furthermore, during high-speed plating, atmospheric gas is trapped in the meniscus portion, which tends to cause plating defects, so there is naturally a limit to the plating speed.
本発明は、従来のこのような欠点を改良せんと
して提供するものである。すなわち、本発明は、
鋼帯の表面を清浄、還元処理したのち、溶融金属
槽に導入して鋼体の片面のみを溶融金属でメツキ
するに当り、非酸化性雰囲気中におかれた溶融金
属槽を鋼帯進行方向にセキにて分割し、ポンプに
よつて上手の槽中の溶融金属浴表面を下手の槽中
の溶融金属浴表面より高位にして、上手の槽中の
溶融金属を連続的に溢流させ、溢流した溶融金属
を下手の槽中に連続的に流入せしめることにより
生ずる分割セキ上方の溶融金属の隆起流れに前記
上手槽側を高く下手槽側を低くする傾斜をもたせ
て鋼帯の片面を接触させ、傾斜の高位側に鋼帯を
走行させて鋼帯の片面のみを溶融メツキすること
を特徴とする片面溶融メツキ方法である。 The present invention is provided as an attempt to improve these conventional drawbacks. That is, the present invention
After the surface of the steel strip has been cleaned and reduced, it is introduced into a molten metal bath and only one side of the steel body is plated with molten metal. The molten metal bath surface in the upper tank is raised to a higher level than the molten metal bath surface in the lower tank using a pump, and the molten metal in the upper tank is continuously overflowed. The bulging flow of molten metal above the dividing tank, which is caused by continuously flowing the overflowing molten metal into the lower tank, is sloped so that the upper tank side is higher and the lower tank side is lower, so that one side of the steel strip is This is a one-sided hot-plating method characterized by hot-plating only one side of the steel strip by bringing the steel strip into contact with the steel strip and running the steel strip on the higher side of the slope.
次に本発明の一実施例を第２図、第３図により
溶融亜鉛メツキを例にとり詳細に説明する。還元
炉２以前の設備にて表面を清浄化された鋼帯１は
約450℃の温度に維持された状態でメツキ室３に
導入される。メツキ室３の入口には還元炉２へメ
ツキ室３の雰囲気ガスが混入しないように、雰囲
気シール機構を設けるのが望ましい。例えば、シ
ールロール５，６とスリツト４を併用するなどが
よい。 Next, one embodiment of the present invention will be described in detail with reference to FIGS. 2 and 3, taking hot-dip galvanizing as an example. The steel strip 1 whose surface has been cleaned in the equipment before the reduction furnace 2 is introduced into the plating chamber 3 while being maintained at a temperature of about 450°C. It is desirable to provide an atmosphere sealing mechanism at the entrance of the plating chamber 3 to prevent atmospheric gas from the plating chamber 3 from entering the reduction furnace 2. For example, it is preferable to use the seal rolls 5, 6 and the slit 4 together.
メツキ室３内にはセキ１３により分割された溶
融亜鉛槽１１および１２があり、それぞれの亜鉛
槽には、溶融亜鉛を流出入させるための開口１５
を設けてある。この両開口は溶融亜鉛に侵食され
難いセラミツクなどの材質から成る輸送管１６に
より互いに連結される。そして、この輸送管１６
の途中には、溶融亜鉛を循環させるための駆動源
となるポンプ１７を設ける。このポンプとして
は、例えば電磁ポンプ等を使用するのが寿命、メ
ンテナンスの点から望ましい。また、輸送管１６
には、管内輸送中の溶融亜鉛の凝固を防止するた
めにヒータ１８を設けるのがよい。 Inside the plating chamber 3, there are molten zinc tanks 11 and 12 divided by a partition 13, and each zinc tank has an opening 15 through which molten zinc flows in and out.
is provided. Both openings are connected to each other by a transport pipe 16 made of a material such as ceramic that is not easily corroded by molten zinc. And this transport pipe 16
A pump 17 serving as a driving source for circulating the molten zinc is provided in the middle. As this pump, it is desirable to use, for example, an electromagnetic pump or the like from the viewpoint of longevity and maintenance. In addition, the transport pipe 16
It is preferable to provide a heater 18 in order to prevent solidification of molten zinc during transportation within the pipe.
しかして、ポンプ１７に矢印の如き方向に駆動
力が生ずるごとくすれば、溶融亜鉛は流動し、さ
らに、槽１１の横断面積を槽１２の横断面積より
小さくして、槽１１の溶融亜鉛の浴表面レベルＡ
が槽１２の溶融亜鉛の浴表面レベルＢより高位に
保持すれば、このとき、セキ１３のために、セキ
上方に隆起部１４が生じる。この隆起部１４に鋼
帯の片面のみが接触するごとく鋼帯の位置をロー
ル９とロール１０の高さを調整する。即ち、ロー
ル９よりロール１０の高さを高位にして、この間
の鋼帯１に傾斜をもたせるごとく調整しながら溶
融亜鉛の隆起部１４と接触が容易になる。そして
溶融亜鉛の流れと相対する方向に鋼帯を移動させ
れば、片面のみに連続的に溶融メツキが施され
る。鋼帯の通過位置の調節はロール８，９および
１０により行う。なお、隆起部１４の鋼帯への接
触長さは、メツキ厚さに関与する重要なメツキ条
件であるが、この接触長さは、溶融亜鉛循環用ポ
ンプ１７の輸送量を制御して隆起部１４の高さを
調節することで容易に調節することができる。ま
た、接触長さは、前述の如く、ロール８，９およ
び１０によつても調節可能であり、従来の表面張
力および湿潤特性のみを利用してメツキする方法
のように非常に微妙な位置調整の必要はない。従
つて、高速メツキ時においても位置調整を、容易
に行うことができる。さらに、溶融亜鉛と鋼帯と
は接触部で両者が逆方向に移動するので、従来の
ような雰囲気ガスのメツキ部へのかみ込みが生じ
難く、従つて高速メツキが可能である。 Therefore, if a driving force is generated in the pump 17 in the direction shown by the arrow, the molten zinc will flow, and further, by making the cross-sectional area of the tank 11 smaller than the cross-sectional area of the tank 12, the molten zinc in the tank 11 will flow. surface level A
If the surface level B of the molten zinc in the tank 12 is maintained at a higher level than the surface level B of the molten zinc in the tank 12, at this time, a raised portion 14 is formed above the gap due to the gap 13. The position of the steel strip and the heights of the rolls 9 and 10 are adjusted so that only one side of the steel strip contacts this raised portion 14. That is, the height of the roll 10 is set higher than the roll 9, and the steel strip 1 between the rolls 10 and 10 is adjusted to have an inclination so that it can easily come into contact with the raised portions 14 of the molten zinc. Then, by moving the steel strip in a direction opposite to the flow of molten zinc, hot-dip plating is continuously applied to only one side. Adjustment of the passing position of the steel strip is performed by rolls 8, 9 and 10. Note that the contact length of the raised portion 14 with the steel strip is an important plating condition that is related to the plating thickness. It can be easily adjusted by adjusting the height of 14. In addition, as mentioned above, the contact length can also be adjusted by the rolls 8, 9, and 10, and the position can be adjusted very delicately, unlike the conventional plating method using only surface tension and wetting characteristics. There is no need for Therefore, position adjustment can be easily performed even during high-speed plating. Further, since the molten zinc and the steel strip move in opposite directions at the contact portion, atmospheric gas is less likely to get caught in the plating portion as in the conventional method, and high-speed plating is therefore possible.
溶融亜鉛隆起部１４に接触して片面のみにメツ
キされた鋼帯は、その後ロール１０により上方に
移動方向を変え、ノズル１９より噴出される非酸
化性の雰囲気ガスにより、過剰の溶融亜鉛は除去
され、メツキ厚さが制御される。その後、メツキ
鋼帯は隔壁２０に設けてあるシール用スリツト２
１を介して冷却室２２に入り、こゝでメツキ亜鉛
を冷却凝固させてメツキを得る。 The steel strip, which has been plated on only one side in contact with the molten zinc ridge 14, is then moved upward by the roll 10, and excess molten zinc is removed by non-oxidizing atmospheric gas ejected from the nozzle 19. and the plating thickness is controlled. After that, the plated steel strip is inserted into the sealing slit 2 provided in the partition wall 20.
1 into a cooling chamber 22, where the plating zinc is cooled and solidified to obtain plating.
なお、メツキ室３内の圧力は、ノズル１９より
噴出される非酸化性雰囲気ガスのために比較的高
いレベルに維持することができるが、急に低下し
た場合のことも想定して、予備の雰囲気ガス導入
口７を設けておくのが望ましい。さらに、溶融亜
鉛隆起部１４との鋼帯接触部の裏面側に、鋼帯端
部から回り込む溶融亜鉛を抑制するために、ガス
吹付ノズル２３を第３図のように鋼帯両端部上方
に設け、雰囲気ガス等を吹付けるのが望ましい。 The pressure inside the plating chamber 3 can be maintained at a relatively high level due to the non-oxidizing atmospheric gas ejected from the nozzle 19, but in case of a sudden drop, a reserve It is desirable to provide an atmospheric gas inlet 7. Furthermore, gas spray nozzles 23 are provided above both ends of the steel strip as shown in FIG. 3, on the back side of the steel strip contact area with the molten zinc bulge 14, in order to suppress the molten zinc coming around from the steel strip ends. It is desirable to spray atmospheric gas, etc.
以上の実施例は溶融亜鉛メツキを施こす場合の
ものであるが、アルミニウムその他の耐食性金属
を鋼帯の片面のみに溶融メツキする場合も全く同
様の方法で行うことができる。 Although the above embodiments are for hot-dip galvanizing, the same method can be used to hot-dip galvanize only one side of a steel strip with aluminum or other corrosion-resistant metal.
以上のように、本発明は、従来の溶融金属の表
面張力と湿潤特性を利用してメツキする方法（特
公開昭52―134826号）に比べ、溶融金属を鋼帯の
片面に半強制的に衝突させるので、溶融金属面と
鋼帯との接触長さ制御が容易であり、かつ、雰囲
気ガスがメツキ部にかみ込み難いので、高速で片
面メツキが可能となり経済的に有利である。 As described above, compared to the conventional plating method that utilizes the surface tension and wettability of molten metal (Japanese Patent Publication No. 134826/1982), the present invention is able to semi-forcibly apply molten metal to one side of a steel strip. By colliding with each other, it is easy to control the contact length between the molten metal surface and the steel strip, and atmospheric gas is less likely to get caught in the plating area, making it possible to perform single-sided plating at high speed, which is economically advantageous.
第１図は従来の片面溶融メツキ法の断面図、第
２図は本発明の一実施例の断面図、第３図は第２
図中のノズルの位置関係を示す図である。
第１図において、Ａ…シールロール、Ｂ…デフ
レクターロール、Ｃ…ロール、Ｄ…メツキ室、Ｅ
…メツキ槽、Ｆ…溶融金属、Ｇ…メニスカス、Ｈ
…ガスジエツトノズル、Ｉ…雰囲気ガス導入口、
Ｊ…冷却室、Ｋ…鋼帯。
第２，３図において、１…鋼帯、２…還元炉、
３…メツキ室、４…スリツト、５，６…シールロ
ール、７…雰囲気ガス導入口、８，９，１０…ロ
ール、１１，１２…溶融亜鉛槽、１３…分割セ
キ、１４…隆起部、１５…開口、１６…輸速管、
１７…ポンプ、１８…ヒータ、１９…ガスジエツ
トノズル、２０…隔壁、２１…シール用スリツ
ト、２２…冷却室、２３…ガス吹付ノズル。
Fig. 1 is a sectional view of a conventional single-sided melt plating method, Fig. 2 is a sectional view of an embodiment of the present invention, and Fig. 3 is a sectional view of an embodiment of the present invention.
It is a figure which shows the positional relationship of the nozzle in a figure. In Fig. 1, A... seal roll, B... deflector roll, C... roll, D... plating chamber, E
...Plating tank, F...Molten metal, G...Meniscus, H
...Gas jet nozzle, I...Atmosphere gas inlet,
J...Cooling chamber, K...Steel strip. In Figures 2 and 3, 1... steel strip, 2... reduction furnace,
3... Plating chamber, 4... Slit, 5, 6... Seal roll, 7... Atmospheric gas inlet, 8, 9, 10... Roll, 11, 12... Molten zinc tank, 13... Divided section, 14... Protrusion, 15 ...opening, 16...transport pipe,
17... Pump, 18... Heater, 19... Gas jet nozzle, 20... Partition wall, 21... Seal slit, 22... Cooling chamber, 23... Gas spray nozzle.
Claims (1)
金属槽に導入して鋼帯の片面のみを溶融金属でメ
ツキするに当り、非酸化性雰囲気中におかれた溶
融金属槽を鋼帯進行方向にセキにて分割し、ポン
プによつて上手の槽中の溶融金属浴表面を下手の
槽中の溶融金属浴表面より高位にして、上手の槽
中の溶融金属を連続的に溢流させ、溢流した溶融
金属を下手の槽中に連続的に流入せしめことによ
り生ずる分割セキ上方の溶融金属の隆起流れに前
記上手槽側を高く下手槽側を低くする傾斜をもた
せて鋼帯の片面を接触させ、傾斜の高位側に鋼帯
を走行させて鋼帯の片面のみを溶融メツキするこ
とを特徴とする片面溶融メツキ方法。1 After the surface of the steel strip has been cleaned and reduced, the steel strip is introduced into a molten metal bath and only one side of the steel strip is plated with molten metal. The molten metal bath surface in the upper tank is raised to a higher level than the molten metal bath surface in the lower tank using a pump, and the molten metal in the upper tank is continuously overflowed. , one side of the steel strip is created by allowing the overflowing molten metal to continuously flow into the lower tank, so that the bulging flow of the molten metal above the dividing tank is sloped so that the upper tank side is higher and the lower tank side is lower. A single-sided hot plating method characterized by hot plating only one side of the steel strip by running the steel strip on the higher side of the slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3936078A JPS54131535A (en) | 1978-04-04 | 1978-04-04 | One side molten metal plating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3936078A JPS54131535A (en) | 1978-04-04 | 1978-04-04 | One side molten metal plating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54131535A JPS54131535A (en) | 1979-10-12 |
| JPS6242024B2 true JPS6242024B2 (en) | 1987-09-05 |
Family
ID=12550894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3936078A Granted JPS54131535A (en) | 1978-04-04 | 1978-04-04 | One side molten metal plating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54131535A (en) |
-
1978
- 1978-04-04 JP JP3936078A patent/JPS54131535A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54131535A (en) | 1979-10-12 |
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