JPH0558076B2 - - Google Patents
Info
- Publication number
- JPH0558076B2 JPH0558076B2 JP60049802A JP4980285A JPH0558076B2 JP H0558076 B2 JPH0558076 B2 JP H0558076B2 JP 60049802 A JP60049802 A JP 60049802A JP 4980285 A JP4980285 A JP 4980285A JP H0558076 B2 JPH0558076 B2 JP H0558076B2
- Authority
- JP
- Japan
- Prior art keywords
- pickling
- chamber
- main body
- tank
- pickling tank
- 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 - Lifetime
Links
- 238000005554 pickling Methods 0.000 claims description 80
- 238000011084 recovery Methods 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ストリツプのスケールを除去するた
めの酸洗槽に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a pickling bath for removing scale from strips.
一般に、冷間圧延工場に供給されるコイルは熱
間において、連続的に圧延され熱間のまま巻取ら
れるために表面に大量のスケールを形成している
ので、冷間圧延により更に薄い表面の美麗な鋼板
を得るためには、冷間圧延が行われる以前にこの
スケールを完全に除去しなければならない。
In general, coils supplied to cold rolling factories are continuously rolled and coiled while hot, so a large amount of scale is formed on the surface. In order to obtain a beautiful steel plate, this scale must be completely removed before cold rolling.
ストリツプのスケールを除去するための装置と
して酸洗槽が知られている。通常、この酸洗槽を
用いて脱スケール作業を行う場合、第６図に示す
ように、槽内の長手方向所要間隔に設けられた隔
壁ａを利用して、ストリツプｂをループ状に作成
しながら酸洗用液ｃ中を通すようにした所謂カテ
ナリ制御方式が採用されている。 A pickling tank is known as a device for removing scale from strips. Normally, when descaling is carried out using this pickling tank, as shown in Figure 6, strips b are created in a loop shape using partition walls a provided at required intervals in the longitudinal direction of the tank. However, a so-called catenary control method is adopted in which the pickling liquid c is passed through the pickling liquid c.
しかしながら、斯かる従来の酸洗槽において
は、ストリツプｂのループを一定に保持する必要
があることから、そのループ制御が面倒であると
共に槽内深さが大きくて槽設備全体が大型であ
り、更にラインを停止した時にはストリツプｂを
酸洗溶液ｃ中から上方へ持ち挙げねばならないの
で、大掛かりなメカニカルリフターが必要であつ
た。
However, in such a conventional pickling tank, since it is necessary to maintain the loop of the strip b constant, the loop control is troublesome, and the depth inside the tank is large, making the entire tank equipment large. Furthermore, when the line was stopped, the strip b had to be lifted upwards from the pickling solution c, which required a large-scale mechanical lifter.
又、槽自体は、第７図に示すように、鋼板製の
槽本体ｄの内面に耐酸性のゴムライニングｅを施
し、更にその内側に、レンガｆを一個ずつ積み重
ねて二重構造としていたため、構築作業に多大の
労力を要し、しかもメンテナンスも大変であつ
た。 In addition, as shown in Figure 7, the tank itself had a double structure, with an acid-resistant rubber lining e applied to the inner surface of the tank body d made of steel plate, and bricks f stacked one by one on the inside. , construction work required a great deal of effort, and maintenance was also difficult.
本発明は、このような実情に鑑みなしたもので
ある。 The present invention has been made in view of these circumstances.
本発明は、耐酸性樹脂により形成し、長手方向
の一側方部の側壁が他側方部の側壁より高い高さ
を有する酸洗槽本体内に、該酸洗槽本体内を上下
２層に区画する所要の流通孔を穿設した仕切板を
配設し、上層に酸洗室を又下層に下部に通路を有
する隔壁を前記酸洗槽本体の長手方向所要時間隔
位置に配設して回収室を形成し、前記酸洗槽本体
の一側方部に前記回収室に接続するポンプを配設
すると共に該ポンプに前記酸洗室の上部に開口す
る導管を配設し、前記酸洗室の前記他側方部の側
壁からオーバーフローした酸洗溶液を受け且つ前
記回収室に連通する連絡路を前記他側方部の側壁
に備えたオーバーフロータンクを前記酸洗槽本体
の他側方部に前記酸洗槽本体の長手方向に亘つて
並設したことを特徴とする酸洗槽、に係るもので
ある。
The present invention provides a pickling tank main body formed of acid-resistant resin and having a side wall on one side in the longitudinal direction higher than the side wall on the other side. A pickling chamber is provided in the upper layer, and partition walls having passages in the lower layer are provided in the lower layer at required intervals in the longitudinal direction of the pickling tank body. to form a recovery chamber, and a pump connected to the recovery chamber is disposed on one side of the pickling tank main body, and a conduit opening to the upper part of the pickling chamber is disposed in the pump, and the acid An overflow tank is provided on the other side of the pickling tank main body, and the side wall of the other side is provided with an overflow tank that receives the pickling solution overflowing from the side wall of the other side of the washing chamber and communicates with the recovery chamber. The present invention relates to a pickling tank, characterized in that the pickling tank is arranged in parallel along the longitudinal direction of the pickling tank main body.
酸洗室で使用した酸洗溶液の一部は仕切板の流
通孔から回収室に直接回収され、前記酸洗室から
オーバーフローした酸洗溶液はオーバーフロータ
ンクを介して前記回収室に回収され、該回収室に
回収された酸洗溶液はポンプに吸引され導管を介
して再び前記酸洗室に供給される。
A part of the pickling solution used in the pickling chamber is directly collected into the recovery chamber from the distribution hole of the partition plate, and the pickling solution overflowing from the pickling chamber is recovered into the recovery chamber via the overflow tank. The pickling solution recovered in the recovery chamber is sucked by a pump and supplied to the pickling chamber again via a conduit.
従つて、ストリツプを直線的に送れるようにし
たので酸洗槽本体の槽の深さを浅くでき、装置全
体を小型化することができると共に、前記ポンプ
の酸洗溶液の吸引量を調節することによつて、前
記酸洗室の酸洗溶液のレベルを任意に設定するこ
とができる。 Therefore, since the strip can be fed in a straight line, the depth of the pickling tank main body can be made shallow, and the entire apparatus can be downsized, and the suction amount of the pickling solution by the pump can be adjusted. Accordingly, the level of the pickling solution in the pickling chamber can be set arbitrarily.
以下、図面を参照して本発明の実施例を説明す
る。
Embodiments of the present invention will be described below with reference to the drawings.
第１図及び第２図に示す如く、耐酸性樹脂によ
り主に形成した酸洗槽本体１内の上下方向中間
に、所要の流通孔２を穿設した仕切り壁３を設け
て上下２層構造と成し、且つ下層には、下部に通
路４を有する隔壁５を長手方向所要間隔位置に設
けて酸洗に供した酸洗溶液６の回収室７ａ，７
ｂ，７ｃを形成し、一方上層には、ストリツプ１
０を挾持案内するためのガイドロール８を、上層
内を仕切る如く前記隔壁５の上方位置に着脱可能
に配置して酸洗室９ａ，９ｂ，９ｃを形成する。
尚、１１，１２もガイドロールであり、酸洗溶液
６に浸るガイドロール１２及び前記ガイドロール
８の表面には耐酸性ゴムが被覆してある。 As shown in FIGS. 1 and 2, a partition wall 3 with required circulation holes 2 is provided in the vertical middle of the pickling tank main body 1, which is mainly formed of acid-resistant resin, to create a two-layered upper and lower structure. In the lower layer, partition walls 5 having passages 4 in the lower part are provided at required intervals in the longitudinal direction, and recovery chambers 7a, 7 for the pickling solution 6 subjected to pickling are provided.
b, 7c, while the upper layer has strips 1
Pickling chambers 9a, 9b, and 9c are formed by removably disposing guide rolls 8 above the partition wall 5 so as to partition the inside of the upper layer.
Note that 11 and 12 are also guide rolls, and the surfaces of the guide roll 12 immersed in the pickling solution 6 and the guide roll 8 are coated with acid-resistant rubber.
前記酸洗槽本体１の一側方部に、回収室７ａ，
７ｂ，７ｃ内の酸洗溶液６を吸引して抜き出すた
めのポンプ１３を各室毎に設け、該各ポンプ１３
には抜き出した酸洗溶液６を酸洗室９ａ，９ｂ，
９ｃ内に輸送供給するための導管１４を夫々設け
ると共に、酸洗槽本体１の他側方部には、各酸洗
室９ａ，９ｂ，９ｃからオーバーフローした酸洗
溶液６を受けて前記回収室７ａ，７ｂ，７ｃへ戻
すためのオーバーフロータンク１５を設ける。従
つて、酸洗槽本体１のオーバーフロータンク１５
側の側壁１′の高さが反対側の側壁の高さより低
レベルに形成され、且つオーボーフロータンク１
５側の側壁１′の下部に連絡路１６が設けてある。 At one side of the pickling tank main body 1, a recovery chamber 7a,
A pump 13 for sucking and extracting the pickling solution 6 in 7b and 7c is provided in each chamber, and each pump 13
The extracted pickling solution 6 is transferred to the pickling chambers 9a, 9b,
A conduit 14 is provided for transporting and supplying the pickling solution 6 into the pickling chambers 9c, and the recovery chamber is provided on the other side of the pickling tank main body 1 to receive the pickling solution 6 overflowing from each of the pickling chambers 9a, 9b, and 9c. An overflow tank 15 is provided for returning the water to 7a, 7b, and 7c. Therefore, the overflow tank 15 of the pickling tank main body 1
The height of the side wall 1' on one side is formed at a lower level than the height of the side wall on the opposite side, and the obo flow tank 1
A communication passage 16 is provided at the lower part of the side wall 1' on the 5th side.
又、前記酸洗槽本体１並びにこれに連設された
仕切り壁３、隔壁５、オーバーフロータンク１５
等は、第３図に示すように、表層が積層された
FRP（フアイバーグラス強化プラスチツク）１７
であつて、内層が硬質ウレタンゴム等の断熱材１
８であり、断熱性及び強度が確保されている。 In addition, the pickling tank main body 1, the partition wall 3, the partition wall 5, and the overflow tank 15 connected thereto.
etc., the surface layer is laminated as shown in Figure 3.
FRP (fiberglass reinforced plastic) 17
and the inner layer is a heat insulating material such as hard urethane rubber 1
8, ensuring insulation and strength.
更に、各酸洗室９ａ，９ｂ，９ｃには、図示し
てないがヒータ及び温度検出器が設置してあり、
当然の如く温度制御が行われるようになつてい
る。 Furthermore, each of the pickling chambers 9a, 9b, and 9c is equipped with a heater and a temperature detector (not shown).
As a matter of course, temperature control has come to be carried out.
斯かる構成とした酸洗槽を用いてストリツプ１
０の脱スケール作業を行う場合には、ストリツプ
１０を各ガイドロール１１，１２，８等を順次介
し酸洗室９ａ，９ｂ，９ｃ内に配置し、而して該
ストリツプ１０を張力を掛けた状態で通板し得る
ようにしておく。 Strip 1 was prepared using a pickling tank configured as described above.
0, the strip 10 is placed in the pickling chambers 9a, 9b, 9c sequentially through the guide rolls 11, 12, 8, etc., and the strip 10 is placed under tension. Make sure that the plate can be passed in good condition.
この状態で、予め第４図に示すようにオーバー
フロータンク１５を介し回収室７ａ，７ｂ，７ｃ
内に入れておいた所定量の酸洗溶液６を各ポンプ
１３により吸引し、各導管１４を介し酸洗室９
ａ，９ｂ，９ｃ内に供給する。すると、酸洗室９
ａ，９ｂ，９ｃ内に供給された酸洗溶液６の一部
は仕切り壁３の流通孔２から回収室７ａ，７ｂ，
７ｃ内に直接回収され、又一部は側壁１′をオー
バーフローしてオーバーフロータンク１５内に一
旦入つた後、連絡路１６を介し回収室７ａ，７
ｂ，７ｃ内に回収される。この際、流通孔２から
流下する酸洗溶液６の量より導管１４から供給さ
れる酸洗溶液６の量が多ければ、ストリツプ１０
は酸洗溶液中に浸り大気に晒されることはない。
このようにして、酸洗溶液６を循環使用しなが
ら、ストリツプ１０を通板させることにより、安
定して脱スケール作業が行われる。 In this state, as shown in FIG. 4, the recovery chambers 7a, 7b, 7c are
A predetermined amount of the pickling solution 6 stored in the chamber is sucked by each pump 13, and is transferred to the pickling chamber 9 through each conduit 14.
a, 9b, 9c. Then, pickling room 9
A part of the pickling solution 6 supplied into the chambers a, 9b, 9c flows through the circulation hole 2 of the partition wall 3 into the recovery chambers 7a, 7b,
7c, and some of it overflows the side wall 1' and enters the overflow tank 15, and then passes through the communication path 16 to the collection chambers 7a, 7.
It is collected within b and 7c. At this time, if the amount of the pickling solution 6 supplied from the conduit 14 is greater than the amount of the pickling solution 6 flowing down from the flow hole 2, the strip 10
are submerged in the pickling solution and are not exposed to the atmosphere.
In this way, by passing the strip 10 through the strip 10 while circulating the pickling solution 6, the descaling work can be stably performed.
一方、ストリツプ１０の通板ラインを一旦停止
させる必要が生じた時には、各ポンプ１３の駆動
を停止すれば、酸洗室９ａ，９ｂ，９ｃ内の酸洗
溶液６は総て流通孔２から回収室７ａ，７ｂ，７
ｃ内に回収され、第４図に示すように、ストリツ
プ１０自体を酸洗溶液６から上方へ持ち上げたと
同様な状態が得られる。又この際、流通孔２とは
別に栓或いは弁の操作によつて開閉する排出口を
設けておけば、回収作業を更に迅速に行うことが
できる。 On the other hand, when it becomes necessary to temporarily stop the threading line of the strip 10, all of the pickling solution 6 in the pickling chambers 9a, 9b, and 9c can be recovered from the flow holes 2 by stopping the drive of each pump 13. Room 7a, 7b, 7
c, and a situation similar to that obtained when the strip 10 itself is lifted upwards from the pickling solution 6 is obtained, as shown in FIG. Further, at this time, if a discharge port is provided which is opened and closed by operating a stopper or a valve in addition to the flow hole 2, the recovery work can be performed even more quickly.
本発明の酸洗槽においては、前記したように酸
洗溶液６のレベルを変えることにより、ストリツ
プ１０の脱スケール作業の操業又は停止状態を選
択できるので、例えば、脱スケール設備全体とし
て、本酸洗槽を湿式プラスト装置の如きメカニカ
ルな脱スケール装置の下流に配置した場合、メカ
ニカル脱スケール装置による脱スケール率に対応
して残りの脱スケール作業を、酸洗室９ａ，９
ｂ，９ｃのうちのいくつかだけを使用して行うこ
ともできる。又、ストリツプ１０の条件によつて
はメカニカル脱スケール装置だけで100％の脱ス
ケール率が得られた時には、前述したライン停止
時と同じように酸洗溶液６を回収室７ａ，７ｂ，
７ｃに回収して、ストリツプ１０の通板だけ（素
通し）を行わせることもできる。 In the pickling tank of the present invention, by changing the level of the pickling solution 6 as described above, it is possible to select whether to operate or stop the descaling operation of the strip 10. When the washing tank is placed downstream of a mechanical descaling device such as a wet-type blasting device, the remaining descaling work is carried out in the pickling chambers 9a and 9 in accordance with the descaling rate by the mechanical descaling device.
It is also possible to use only some of b and 9c. Also, depending on the conditions of the strip 10, when a 100% descaling rate can be obtained using only the mechanical descaling device, the pickling solution 6 is transferred to the recovery chambers 7a, 7b, and the like when the line is stopped as described above.
It is also possible to collect the strip 10 at step 7c and perform only the threading of the strip 10 (through-passing).
尚、前記実施例では、回収室７ａ，７ｂ，７ｃ
毎にポンプ１３を設けたが、例えば第５図に示す
ように、回収室７ａ，７ｂ，７ｃのうちのどれか
に１台のポンプ１３を連結して該１台のポンプ１
３に３本の導管１４を設けるようにしてもよく、
又この状態で、各導管１４内にヒータを設けるよ
うにしてもよく、その他本発明の要旨を逸脱しな
い限り種々変更を加え得ることは勿論である。 In addition, in the embodiment, the collection chambers 7a, 7b, 7c
For example, as shown in FIG.
3 may be provided with three conduits 14,
Further, in this state, a heater may be provided in each conduit 14, and it goes without saying that various other changes may be made without departing from the gist of the present invention.
以上説明したように、本発明の酸洗槽によれ
ば、
() ストリツプを直線的に送れるようにしたの
で、槽の深さを浅くでき、装置全体を小型化す
ることができると供に、従来の如きループ制御
が不要となる。
As explained above, according to the pickling tank of the present invention, () the strip can be fed in a straight line, so the depth of the tank can be made shallow, and the entire device can be downsized; Loop control as in the past becomes unnecessary.
() 酸洗室内の酸洗溶液の深さレベルを任意に
変えられるようにしたので、ストリツプの脱ス
ケール作業の操業又は停止状態を選択すること
ができると供に、従来の如き大掛かりなメカニ
カルリフターが不要である。() Since the depth level of the pickling solution in the pickling chamber can be changed arbitrarily, it is possible to select whether to start or stop the strip descaling operation, and it also eliminates the need for large-scale mechanical lifters as in the past. is not necessary.
（） 従来の如き、ゴムライングやレンガを用
いていない簡単な構造であるため、製作並びに
メンテナンスが容易である。() Since it has a simple structure that does not use rubber lining or bricks as in the past, it is easy to manufacture and maintain.
等の優れた効果を奏し得る。It can produce excellent effects such as
第１図は本発明の酸洗槽を示す概略切断側面
図、第２図は第１図の−矢視図、第３図は第
１図の部拡大図、第４図は第２図とは別の状態
を示す説明図、第５図は本発明の他の実施例を示
す部分説明図、第６図は従来の酸洗槽の説明図、
第７図は第６図の−線拡大矢視図である。
１は酸洗槽本体、３は仕切り壁、６は酸洗溶
液、７ａ，７ｂ，７ｃは回収室、９ａ，９ｂ，９
ｃは酸洗室、１３はポンプ、１４は導管を示す。
Fig. 1 is a schematic cutaway side view showing the pickling tank of the present invention, Fig. 2 is a view taken in the direction of - arrow in Fig. 1, Fig. 3 is an enlarged view of a portion of Fig. 1, and Fig. 4 is the same as Fig. 2. is an explanatory diagram showing another state, FIG. 5 is a partial explanatory diagram showing another embodiment of the present invention, and FIG. 6 is an explanatory diagram of a conventional pickling tank.
FIG. 7 is an enlarged view taken along the - line in FIG. 6. 1 is the pickling tank main body, 3 is the partition wall, 6 is the pickling solution, 7a, 7b, 7c is the recovery chamber, 9a, 9b, 9
c indicates a pickling chamber, 13 indicates a pump, and 14 indicates a conduit.
Claims (1)
部の側壁が他側方部の側壁より高い高さを有する
酸洗槽本体内に、該酸洗槽本体内を上下２層に区
画する所要の流通孔を穿設した仕切板を配設し、
上層に酸洗室を又下層に下部に通路を有する隔壁
を前記酸洗槽本体の長手方向所要間隔位置に配設
して回収室を形成し、前記酸洗槽本体の一側方部
に前記回収室に接続するポンプを配設すると共に
該ポンプに前記酸洗室の上部に開口する導管を配
設し、前記酸洗室の前記他側方部の側壁からオー
バーフローした酸洗溶液を受け且つ前記回収室に
連通する連絡路を前記他側方部の側壁に備えたオ
ーバーフロータンクを前記酸洗槽本体の他側方部
に前記酸洗槽本体の長手方向に亘つて並設したこ
とを特徴とする酸洗槽。1 The pickling tank body is formed of acid-resistant resin and has a side wall on one side in the longitudinal direction higher than the side wall on the other side, and the pickling tank body is divided into two layers, upper and lower. A partition plate with the required circulation holes is installed,
A pickling chamber is provided in the upper layer, and partition walls having passages in the lower layer are arranged at required intervals in the longitudinal direction of the pickling tank main body to form a recovery chamber, and a recovery chamber is formed in one side part of the pickling tank main body. A pump connected to the recovery chamber is provided, and a conduit is provided to the pump that opens at the top of the pickling chamber, and the pump receives the pickling solution overflowing from the side wall of the other side of the pickling chamber, and An overflow tank having a communication path communicating with the recovery chamber on a side wall of the other side portion is arranged in parallel along the longitudinal direction of the pickling tank main body on the other side portion of the pickling tank main body. pickling tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4980285A JPS61210195A (en) | 1985-03-13 | 1985-03-13 | Pickling tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4980285A JPS61210195A (en) | 1985-03-13 | 1985-03-13 | Pickling tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61210195A JPS61210195A (en) | 1986-09-18 |
| JPH0558076B2 true JPH0558076B2 (en) | 1993-08-25 |
Family
ID=12841274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4980285A Granted JPS61210195A (en) | 1985-03-13 | 1985-03-13 | Pickling tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61210195A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04106362U (en) * | 1991-02-19 | 1992-09-14 | 三菱重工業株式会社 | Pickling equipment |
| JP5778395B2 (en) * | 2010-05-07 | 2015-09-16 | 日新製鋼株式会社 | Pickling equipment and processing method when pickling equipment is stopped |
| JP5778394B2 (en) * | 2010-05-07 | 2015-09-16 | 日新製鋼株式会社 | Pickling equipment and processing method when washing equipment is stopped |
| JP5631071B2 (en) * | 2010-06-25 | 2014-11-26 | 日新製鋼株式会社 | Pickling equipment |
| JP6586391B2 (en) | 2016-04-27 | 2019-10-02 | Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 | Pickling apparatus and operation method at the time of pickling pause |
| JP6586392B2 (en) | 2016-04-27 | 2019-10-02 | Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 | Pickling equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5732386A (en) * | 1980-08-01 | 1982-02-22 | Sumitomo Heavy Ind Ltd | Immersion type continuous pickling device |
-
1985
- 1985-03-13 JP JP4980285A patent/JPS61210195A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5732386A (en) * | 1980-08-01 | 1982-02-22 | Sumitomo Heavy Ind Ltd | Immersion type continuous pickling device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61210195A (en) | 1986-09-18 |
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