TW490491B - Coilbox furnace - Google Patents

Coilbox furnace Download PDF

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Publication number
TW490491B
TW490491B TW087119007A TW87119007A TW490491B TW 490491 B TW490491 B TW 490491B TW 087119007 A TW087119007 A TW 087119007A TW 87119007 A TW87119007 A TW 87119007A TW 490491 B TW490491 B TW 490491B
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TW
Taiwan
Prior art keywords
coil
saddle
scope
patent application
furnace
Prior art date
Application number
TW087119007A
Other languages
Chinese (zh)
Inventor
Ernst-Ulrich Becker
Detlef Bosselmann
Michael Degner
Michael Nowak
Gerd Thiemann
Original Assignee
Thyssenkrupp Stahl Ag
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Publication of TW490491B publication Critical patent/TW490491B/en

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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54Furnaces for treating strips or wire
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54Furnaces for treating strips or wire
    • C21D9/68Furnace coilers; Hot coilers

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Induction Heating (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)

Abstract

The invention relates to a coilbox furnace having a heating device for reheating a coil (3, 3') to rolling temperature and a saddle (4') for receiving the coil (3, 3') to be reheated. To enable the coil (3, 3') temporarily stored in the coilbox furnace to be heated to rolling temperature as uniformly as possible, so as to minimise the temperature-conditioned final thickness tolerances of the finished rolled strip, according to the invention the saddle (4') is provided with two bearing faces (10, 11) bearing the coil (3, 3'), tangentially at its outer periphery.

Description

A7A7

490491 五、發明説明( 本發明係關於一種卷材箱熔爐其具有加熱裝置用於 再加熱卷材至軋製溫度及一鞍座用於容納待再加熱之卷 材。 熱帶材以最佳成本生產逐漸要求使用周邊裝置來減 少不良品,此等包括較為特定裝置,藉該裝置若初步於加 工線上處理之帶材有錯誤,則可保留重新引進加工線繼續 生產而清除錯誤。 光整軋製線入口之卷材箱可使初步帶材盤卷及擦光歷 約1 〇分鐘隨後用於軟鋼之例。但此等保留性質並非高級鋼 ,例如不鏽鋼所擁有,高級鋼僅能於極窄溫度軋製,故若 錯誤持續數分鐘則初步帶材沈積為卷材,但過去無法將卷 材再度引進軋製線。 於卷材箱上使用再加熱熔爐可提供補救之道。卷材箱 熔爐使任何卷材箱初步帶材被累進加熱至軋製溫度並再度 整合至軋製加工。 實用上已知之卷材箱熔爐係構造為具有固定及活動箱 部之腔至溶爐形式。活動箱部有電機械驅動且可藉輪於執 道上移動。溶爐藉曲折形加熱導體加熱,導體安裝於溶爐 之四側壁且組合成個別對照組。卷材容納鞍座未經額外加 熱且係呈圓形段形式,豎立於耐火混凝土底板及耐熱鋼架 上(參考第1圖)。 但先前技術之卷材箱溶爐中,於再引進軋製過程之初 步帶材測得溫度出現顯著定期變化,此對光整線以及最終 軋製厚度所達到的公差等軋製表現造成不利影響。 -4 - 木纸張尺度適用中國國家標隼(CNS ) A4規格(210X297公釐) ^裝-----一訂,------ (請先閲讀背面之注意事項再填寫本頁) 經濟部智慧財/i局資工消費合作fi印製 490491 A7 _ __—_ B7_ 五、發明説明(2 ) 本發明之目的係改進該種卷材箱熔爐使暫時儲存於其 中之卷材可儘可能均勾加熱至軋製溫度,因而可減少光整 後軋製帶材之溫度調理最終厚度公差減至最低。 為了解決此問題,根據本發明鞍座至少有二承載面可 承載卷材於其外周邊之切線方向。 鞍座較佳構造為梯形。 本發明提供之解決之道係基於先前技術卷材箱熔爐取 出之初步帶材溫度之週期性變化主要係由於熔爐卷材·容 納鞍座係呈圓段形式。弧形容納鞍座可藉相當廣面積之徑 向導熱而由帶材去除熱能,結果導致前述定期溫度變化。 相反地,根據本發明之卷材箱熔爐中,容納鞍座之承 載段尺寸縮小,伴隨著可察覺之熱損失減少,故光整線之 軋製表現及光整後軋製帶材之厚度公差相對地改善。 本發明之較佳具體例中,承載面係由複數凸塊間隔於 卷材寬度方向形成。如此進一步減少鞍座與卷材間之實際 接觸面積·。同時較佳鞍座係由高級扁鋼交互齧合製成,特 別是不鏽鋼扁鋼且附有凸起的凸塊。於前述先前技術之圓 形段鞍座相反,根據本發明無須使用耐熔材料來穩定容納 鞍座。 也較佳根據本發明之另一特點,容納鞍座於卷材箱熔 爐側壁也設有加熱裝置。較佳使用感應鞍座加熱。 根據本發明之又另一優點,鞍座也具有旋轉或搖擺卷 材之裳置。此種構造可使重新引進光整線之初步帶材之溫 度側錄(profile)均勻化。 -5 - 衣紙乐尺度適用中國國家標率(CNS) M規格(21〇>< 297公廣)^ ---— 1— (請先閲讀背面之注意事項再填寫本頁) 訂- # 經濟部智慧財4局員工消費合作社印製490491 V. Description of the invention (The present invention relates to a coil box furnace which has a heating device for reheating the coil to the rolling temperature and a saddle for containing the coil to be reheated. The tropical material is produced at the best cost Peripheral equipment is gradually required to reduce defective products. These include more specific equipment, which can be re-introduced into the processing line to continue production and eliminate errors if the strip initially processed on the processing line has errors. The coil box at the entrance allows the initial strip to be coiled and polished for about 10 minutes and then used in the case of mild steel. However, these reserved properties are not owned by high-grade steel, such as stainless steel, and high-grade steel can only be rolled at extremely narrow temperatures. Therefore, if the error lasts for several minutes, the strip is initially deposited into coils, but it was not possible to introduce coils into the rolling line in the past. Using reheating furnaces on coil boxes can provide a remedy. The coil box furnace makes any The coil strip is initially heated to the rolling temperature and integrated into the rolling process again. The coil coil furnace, which is known in practice, is configured as a cavity with a fixed and movable tank portion. Form of melting furnace. The movable box is electrically driven and can be moved on the road by wheels. The melting furnace is heated by zigzag heating conductors. The conductors are installed on the four side walls of the melting furnace and are combined into individual control groups. After additional heating and in the form of a circular section, it is erected on the refractory concrete floor and heat-resistant steel frame (refer to Figure 1). However, in the coil box melting furnace of the prior art, the initial strip measurement during the re-introduction rolling process Significant regular changes in the temperature are found, which adversely affects the rolling performance such as the finishing line and the tolerances achieved by the final rolling thickness. -4-The size of the wood paper is applicable to China National Standard (CNS) A4 (210X297 mm) ) ^ Installed ----- one order, ------ (Please read the notes on the back before filling out this page) Printed by the Ministry of Economic Affairs, Intellectual Property / i Bureau, Industrial and Industrial Consumer Cooperation Fi 490491 A7 _ ____ B7_ V. Description of the invention (2) The purpose of the present invention is to improve the coil box furnace so that the coils temporarily stored therein can be uniformly heated to the rolling temperature as much as possible, thus reducing the number of strips rolled after finishing. The final temperature tolerance for temperature conditioning is minimized. To solve this problem, according to the present invention, at least two bearing surfaces of the saddle can bear the tangent direction of the coil at its outer periphery. The saddle is preferably configured as a trapezoid. The solution provided by the present invention is based on the prior art coil box furnace. The cyclical change in the temperature of the strip taken out is mainly due to the fact that the furnace coil and the saddle are in the form of round segments. The arc-shaped saddle can remove the thermal energy from the strip by a relatively wide area of radial heat conduction. Periodic temperature changes. On the contrary, in the coil box furnace according to the present invention, the size of the load-bearing section containing the saddle is reduced, and with the decrease of the perceivable heat loss, the rolling performance of the finishing line and the rolled strip after finishing The thickness tolerance of the material is relatively improved. In the preferred embodiment of the present invention, the bearing surface is formed by the plurality of bumps spaced in the width direction of the coil. This further reduces the actual contact area between the saddle and the coil. At the same time, the preferred saddle is made of high-grade flat steel with interactive meshing, especially stainless steel flat steel with raised bumps. In contrast to the aforementioned circular segment saddle of the prior art, it is not necessary to use a refractory material to stably accommodate the saddle according to the present invention. It is also preferred that according to another feature of the present invention, a heating device is also provided on the side wall of the furnace for accommodating the saddle. Preferably use induction saddle heating. According to yet another advantage of the present invention, the saddle also has a dress for rotating or swinging the coil. This configuration makes it possible to uniformize the temperature profile of the preliminary strip re-introduced into the finishing line. -5-Apparel and paper scales are applicable to China National Standards (CNS) M specifications (21〇 > < 297 Gongguang) ^ ----- 1— (Please read the notes on the back before filling this page) Order- # Printed by the Consumer Cooperatives of the 4th Bureau of Wisdom and Finance of the Ministry of Economic Affairs

A7 經濟部智慧財產局員工消骨合作钍印製 五、發明説明( 有鑑於不同卷材直徑及/或卷材寬度,也較佳承載面間 隔可相對於卷材直徑及/或卷材寬度調整。根據本發明之另 一種可能優點,承載面係由圓盤輥製成,其環繞輥縱軸有 多個圓盤彼此隔開。 另一種可能特點為圓盤輥中之至少一者可偶合至旋轉 驅動器用於旋轉或搖擺卷材。 現在參照附圖說明本發明之若干具體例,附圖中: 第1圖為卷材箱熔爐之剖面側視圖,該熔爐有一卷材在 於習知容納鞍座上, 第2圖為根據本發明之容納鞍座之前視平面圖,以點鍵 線顯示具有不同直徑及不同寬度之初步帶形卷材, 第3圖為第2圖所示容納鞍座之側視平面圖, 第4圖為第2圖所示容納鞍座之平面圖, 第5圖為根據本發明之容納鞍座之第二具體例之前視 平面圖,及 第6圖為第5圖所示容納鞍座之平面圖。 第1圖顯示卷材箱熔爐其係呈腔室溶爐形式,具有一 定箱部1及一可於輪上移動之箱部2。熔爐具有加熱裝置 圖中未顯示)用於再加熱初步卷材3至軋製溫度。呈圓段形 式之容納鞍座4容納卷材。 相反地根據本發明之卷材箱熔爐具有容納鞍座,例 第2至4圖示意顯示者》如所見,容納鞍座4 ’係由具有 此隔開之座6,7而各座附接一承載物8,9之底板5組成。 承載物8,9形成二承載面1〇,11承載初步帶形卷材 固 如 —彼 (請先閲讀背面之注意事項再填寫本頁) 訂*A7 Printed by the staff of the Intellectual Property Bureau of the Ministry of Economic Affairs on bone elimination. 5. Description of the invention (In view of different coil diameters and / or coil widths, it is also preferable that the bearing surface interval can be adjusted relative to the coil diameter and / or coil width. According to another possible advantage of the present invention, the bearing surface is made of a disc roll, and a plurality of discs are spaced from each other around the longitudinal axis of the roll. Another possible feature is that at least one of the disc rolls can be coupled to Rotary actuators are used to rotate or swing coils. Several specific examples of the present invention will now be described with reference to the drawings, in which: Figure 1 is a cross-sectional side view of a coil box furnace which has a coil which is conventionally configured to accommodate a saddle Above, FIG. 2 is a front plan view of the saddle-accommodating seat according to the present invention, and preliminary dot-shaped coils having different diameters and different widths are shown by dot-and-dash lines. FIG. 3 is a side view of the saddle-accommodating seat shown in FIG. 2. A plan view, FIG. 4 is a plan view of a saddle-accommodating saddle shown in FIG. 2, FIG. 5 is a front plan view of a second specific example of a saddle-accommodating saddle according to the present invention, and FIG. 6 is a saddle-accommodating saddle shown in FIG. Plan view Figure 1 shows The material box furnace is in the form of a chamber melting furnace, which has a certain box section 1 and a box section 2 that can be moved on wheels. The furnace has a heating device (not shown in the figure) for reheating the preliminary coil 3 to the rolling temperature . The accommodating saddle 4 in the form of a circular segment accommodates the coiled material. On the contrary, the coil box furnace according to the present invention has a saddle for accommodating, as shown schematically in Figs. 2 to 4 "As can be seen, the saddle for accommodating 4 'is composed of the seats 6, 7 with the partitions attached A bottom plate 5 of a carrier 8,9 is composed. Loads 8, 9 form two load-bearing surfaces 10, 11 to carry the preliminary strip-shaped coils. Solid — other (Please read the precautions on the back before filling this page) Order *

衣紙朵尺度適用中國國家標準(CNS ) A4規格(210X 297公釐) -6 490491 A7 B7The size of the paper towel is applicable to the Chinese National Standard (CNS) A4 (210X 297 mm) -6 490491 A7 B7

於其外周邊呈切線方向。承載面1 〇,11係由交互齧合之高 級扁鋼如不鏽鋼扁鋼組成,附有多數凸塊丨2彼此隔開於卷 材之寬度方向。 (請先閲讀背面之注意事項再填寫本頁) 凸塊12係由平行線圈3周邊方線之切槽13組成,凸塊具 有大致平坦之承載面。另外凸塊也可夠成為凸面形。 如第2及3圖之點虛線指不’由鞍座4’容納之初步帶形 卷材3,3’可有不同直徑及不同寬度。卷材3與承載面1〇, 11間之接觸區間隔也隨著初步帶形卷材直徑之增加而加大。 為了防止透過容納鞍座4,之熱損失,鞍座4,也具有加 熱裝置(圖中未顯示)。加熱裝置較佳由感應鞍座加熱系統 組成。 第5圖圖解顯示根據本發明之卷材箱溶爐之容納鞍座 之第二具體例。與第2至4圖所示具體例相反,本例中鞍座4,, 之承載面係由旋轉式圓盤輥14形成,輥具有沿著輥縱軸彼 此隔開之圓盤15。圓盤輥14安裝於支承塊16,17,支承塊 旋轉式支承圓盤輥之旋轉軸18/軸丨9於彼此隔開之圓盤15 間之間隙,於圓盤15區段成形凹部。 經濟部智慧財1局8工消費合作钍印製 為了使卷材3獲付與卷材直徑相關之最佳承載,可調整 承載面間隔,亦即輥縱軸間距A。此外,圓盤輥丨4之一具 有旋轉式傳動其具有傳動軸20及電動馬達21,藉此待支承 的卷材3於卷材箱熔爐内加熱期間可被旋轉而使溫度側錄 均勻化。旋轉可絕對於單一方向或於二方向交替進行,故 卷材3實際上係進行擺動運動。 衣泜fe:尺度適用中國國家標準(CNS ) A#規格(21〇χ 297公釐) 490491 經濟部智慧財1笱3:工消费合作钍印製 A7 B7 五、發明説明(5 ) 元件標號對照 1-2 箱部 3 初步卷材 4 容納鞍座 5 底板 6-7 座 8-9 承載物 10- 11承載面 12 凸塊 13 切槽 14 圓盤輥 15 圓盤 16-7 支承塊 18 轉軸 19 軸 20 傳動件 21 電動馬達 (請先閲讀背面之注意事項再填寫本頁) PI T · -" 衣紙乐尺度適用中國國家標準(CNS ) A4規格(210X 297公釐)It is tangent to its outer periphery. The bearing surfaces 10 and 11 are composed of high-grade flat steels such as stainless steel flat steels which are engaged with each other, and are provided with a plurality of projections 2 separated from each other in the width direction of the coil. (Please read the precautions on the back before filling this page.) The bumps 12 are composed of the cutouts 13 on the periphery of the parallel coil 3, and the bumps have a generally flat bearing surface. In addition, the bumps can also be convex. For example, the dotted lines in Figures 2 and 3 indicate that the preliminary strip-shaped coils 3, 3 'which are not accommodated by the saddle 4' can have different diameters and different widths. The contact zone separation between the coil 3 and the bearing surface 10, 11 also increases as the diameter of the preliminary strip coil increases. In order to prevent heat loss by accommodating the saddle 4, the saddle 4 also has a heating device (not shown). The heating device preferably comprises an induction saddle heating system. Fig. 5 schematically shows a second specific example of a saddle accommodating seat of a coil box melting furnace according to the present invention. Contrary to the specific examples shown in Figs. 2 to 4, the bearing surface of the saddle 4 in this example is formed by a rotary disc roll 14, which has discs 15 spaced from each other along the longitudinal axis of the roll. The disc roller 14 is mounted on the supporting blocks 16,17. The supporting block rotatably supports the rotating shaft 18 / shaft 9 of the disc roller at a gap between the discs 15 spaced from each other, and forms a recess in the disc 15 section. Printed by the Ministry of Economic Affairs, Bureau of Intellectual Property, Bureau of Industry and Industry 8 in order to enable the coil 3 to receive the optimal load related to the diameter of the coil, the bearing surface interval can be adjusted, that is, the roller longitudinal axis distance A. In addition, one of the disc rollers 4 has a rotary drive having a drive shaft 20 and an electric motor 21, whereby the coil 3 to be supported can be rotated during heating in the coil box furnace to uniformize the temperature profile. The rotation can be performed absolutely in a single direction or alternately in two directions, so the roll 3 actually performs a swing motion. Clothing: standard applicable to China National Standard (CNS) A # specification (21〇χ 297 mm) 490491 Wisdom of the Ministry of Economic Affairs 1 笱 3: Industry and consumer cooperation printing A7 B7 V. Description of the invention (5) Component label comparison 1 -2 Box section 3 Preliminary coil 4 Storage saddle 5 Base plate 6-7 Seat 8-9 Load 10-10 Load surface 12 Bump 13 Slot 14 Disk roll 15 Disk 16-7 Support block 18 Rotary shaft 19 Shaft 20 Transmission parts 21 Electric motor (Please read the precautions on the back before filling out this page) PI T ·-" Apparel scales are applicable to China National Standard (CNS) A4 (210X 297 mm)

Claims (1)

490491490491 A8 B8 C8 D8A8 B8 C8 D8 申請專利範圍Patent application scope 第871 19007號專利再審查案申請專利範圍修正本 修正日期:91年2月 1 ·種卷材鈿熔爐,其具有用於將卷材(3)再加熱至軋製 溫度的加熱裝置,以及一用於容納待再加熱之卷材的鞍 座(4’,4”),該鞍座(4,,4,,)至少有二承載面(1〇,在 卷材(3,3’)外周邊朝切線方向來承載來卷材,其中該鞍 座(4 ’ 4”)係由交互配合之扁鋼所製成。 2·如申請專利範圍第丨項之卷材箱熔爐,其特徵為該鞍座 (4’,4”)被構形為梯形。 3·如申請專利範圍第1項之卷材箱熔爐,其中該承載面(10 ’ 11)係由數個凸塊於卷材寬度方向彼此隔開形成。 4·如申請專利範圍第1至3項中任一項之卷材箱熔爐,其中 該扁鋼係由不鏽鋼所製成。 5 ·如申請專利範圍第1至3項中任一項之卷材箱熔爐,其中 該鞍座(4,,4”)也設置有加熱裝置。 6·如申請專利範圍第1至3項中任一項之卷材箱熔爐,其中 該溶爐亦具有旋轉或擺動卷材(3)之裝置(14至21)。 7·如申睛專利範圍第1至3項中任一項之卷材箱熔爐,其中 承載面(10,11)之間隔可相關於卷材直徑及/或卷材寬度調 整。 8·如申請專利範圍第1至3項中任一項之卷材箱熔爐,其中 承載面係由圓盤輥(14)所形成,該圓盤輥具有沿輥之縱 軸間隔設置的數個圓盤(15)。 \ 9·如申請專利範圍第1至3項卡任一項之卷材箱熔爐,其中 ------- _ 本紙張尺度適用中國國家標準(CNS) A4規格(210X297公釐) 490491 A8 B8 C8 D8 申請專利範圍 該等圓盤輥(14)中之至少一者可藉由一旋轉驅動器(20 ,21)來驅動,俾以旋轉或擺動卷材(3)。 裝------------------,可------------------線 (請先閲讀背面之注意事項再填窝本頁) JJL· 本紙張尺度適用中國國家標準(CNS) A4規格(210X297公釐)No. 871 19007 Patent Reexamination Application Amendment to Patent Scope Amendment Date: February 91 · A coil furnace with a heating device for reheating the coil (3) to the rolling temperature, and a Saddle (4 ', 4 ") for holding the coil to be reheated, the saddle (4, 4, 4,) has at least two bearing surfaces (10, outside the coil (3, 3') The periphery bears the coils towards the tangential direction, wherein the saddle (4'4 ") is made of flat steel that interacts with each other. 2. The coil box furnace as claimed in item 丨 of the patent application is characterized in that The saddle (4 ', 4 ") is shaped as a trapezoid. 3. For example, the coil box furnace of the first scope of the patent application, wherein the bearing surface (10' 11) is formed by a plurality of projections in the width direction of the coil They are separated from each other. 4. The coil box furnace as in any one of the items 1 to 3 of the scope of patent application, wherein the flat steel is made of stainless steel. 5 · As the any of the items 1 to 3 of the scope of patent application The coil box furnace of one item, wherein the saddle (4 ,, 4 ") is also provided with a heating device. 6. As in any one of the items 1 to 3 of the scope of patent application The coil box furnace, wherein the melting furnace also has a device (14 to 21) for rotating or swinging the coil material (3). 7. The coil box furnace according to any one of items 1 to 3 in the patent scope of Shenyan, where The interval of the bearing surface (10, 11) can be adjusted according to the coil diameter and / or the coil width. 8. If the coil box furnace is any of the items 1 to 3 of the scope of patent application, the bearing surface is made of a circle It is formed by a disk roller (14), which has a plurality of disks (15) spaced apart along the longitudinal axis of the roller. \ 9 · A coil box furnace such as any of the first to third cards in the scope of patent application Of which ------- _ This paper size applies to Chinese National Standard (CNS) A4 (210X297 mm) 490491 A8 B8 C8 D8 Patent Application Scope At least one of these disc rollers (14) can be borrowed It is driven by a rotary driver (20, 21), which can rotate or swing the coil (3). Install ------------------, but ------ ------------ Line (Please read the precautions on the back before filling in this page) JJL · This paper size applies to China National Standard (CNS) A4 (210X297 mm)
TW087119007A 1997-11-18 1998-12-02 Coilbox furnace TW490491B (en)

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AT (1) ATE223508T1 (en)
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DE609979C (en) * 1929-08-11 1935-02-27 Heimsoth & Vollmer G M B H Device for heating heavy work pieces
GB1373375A (en) * 1971-11-15 1974-11-13 Canada Steel Co Method for rolling hot metal workpieces
DE2613459A1 (en) * 1976-03-30 1977-10-13 Schloemann Siemag Ag Arrangement for avoiding scrap in a rolling mill - for wide strip material, during break down of the prodn. line and/or the strip winding arrangement
GB2167170B (en) * 1984-11-21 1988-05-18 Salem Furnace Heat treatment of coils of metal
US5383651A (en) * 1994-02-07 1995-01-24 Pyrotek, Inc. Aluminum coil annealing tray support pad
DE4434370C2 (en) * 1994-09-15 1998-05-28 Mannesmann Ag Furnace plant as a buffer behind a thin slab caster
DE19512953A1 (en) * 1995-03-28 1996-10-02 Mannesmann Ag Method and device for producing hot-rolled steel strip

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EP1032716A1 (en) 2000-09-06
WO1999025883A1 (en) 1999-05-27
DE19750998C1 (en) 1999-08-19
AU1235299A (en) 1999-06-07
EP1032716B1 (en) 2002-09-04
ATE223508T1 (en) 2002-09-15
CA2310411A1 (en) 1999-05-27
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AR014024A1 (en) 2001-01-31
ZA9810397B (en) 1999-05-13
DE59805451D1 (en) 2002-10-10

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