EP1108484B1 - Procédé pour la modification du format de la section d'une barre sous la lingotière d'une installation de coulée continue - Google Patents

Procédé pour la modification du format de la section d'une barre sous la lingotière d'une installation de coulée continue Download PDF

Info

Publication number
EP1108484B1
EP1108484B1 EP00126252A EP00126252A EP1108484B1 EP 1108484 B1 EP1108484 B1 EP 1108484B1 EP 00126252 A EP00126252 A EP 00126252A EP 00126252 A EP00126252 A EP 00126252A EP 1108484 B1 EP1108484 B1 EP 1108484B1
Authority
EP
European Patent Office
Prior art keywords
segment
thickness
length
format
segments
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
Application number
EP00126252A
Other languages
German (de)
English (en)
Other versions
EP1108484A1 (fr
Inventor
Hans Streubel
Günter Dr. Kneppe
Olaf Norman Dr. Jepsen
Holger Dr. Beyer-Steinhauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Demag AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26006620&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1108484(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE10038291A external-priority patent/DE10038291A1/de
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1108484A1 publication Critical patent/EP1108484A1/fr
Application granted granted Critical
Publication of EP1108484B1 publication Critical patent/EP1108484B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1281—Vertical removing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/14—Plants for continuous casting
    • B22D11/141—Plants for continuous casting for vertical casting

Definitions

  • the invention relates to a method for changing the format thickness of the cast strand of a continuous casting in continuous casting operation, wherein the strand is below a mold on both sides with opposing Rollenträgem in operative connection, which are divided into a series of roles bearing segments and each segment by itself at an angle is adjustable to the cast strand, and wherein in an initial position, the entire strand guide to be changed is set to a production format thickness.
  • the thickness of the strand shell formed is essentially dependent on the casting speed.
  • the rolling force must be adapted to the current strand shell thicknesses. Too low Casting speed is no longer sufficient the available rolling force, so that it comes to exceeding the target thickness of the cast strand produced. If the casting speed is too high, welding of the strand shells can only be achieved by dropping below the nominal thickness of the cast strand produced.
  • the cast strand is reduced in thickness in a roll forming and then rolled, wherein the cast strand consists of the solidified strand shell and a remplisstechniksskem ,
  • the cast strand is poured with a thickness of 40 - 80 mm, then the strand is up to 15 - 40 mm Dikke and 2 - 15 mm residual liquid core in a maximum of 3 stages rollformed.
  • the strand is divided into the usual slab length, heat-treated in a compensation furnace and then, for example, reversibly hot-rolled.
  • a transition piece is formed having a lesser thickness which can not be rolled but which must be separated from the slab and chopped as scrap. Due to the reduced thickness, the transition piece is also relatively cold, so that the scissors is heavily loaded during chopping.
  • the patent DE-43 38 805.2-A describes a method and apparatus for operating a continuous casting, especially when casting the continuous casting for producing thin slabs for hot strip rolling, with at least one of the continuous casting mold downstream Reduzierrollencru, the, or which can be employed strand guide elements connect.
  • the Reduzierrollencru is after a predetermined passage length of Gußstranges set to a smaller, a squeezing the sump causing gap width.
  • the cast strand is formed into a runner format with a thickness below the thickness of the desired final size.
  • the strand guiding elements or the Reduzierrollencru are then hired to the thickness of the final format as soon as the less thick Angußformat has fully entered their adjustment.
  • the reduction roller pair is pressure-controlled and is positioned to the final format after the strand guide has been set.
  • EP 0 743 116 A1 discloses a vertical casting line for cast strands, comprising a mold and then at the outlet of the mold an assembly with casters, further a plurality of guide units, associated roller segments and a driver assembly in conjunction with a horizontal segment of the casting line.
  • the guide units comprise at least the entire vertical segment of the casting line, wherein at least a part of the rollers of the guide units cooperate with actuating devices controlled by a process data unit to ensure controllable soft reduction at least in the second part of the vertical segment.
  • the published patent application DE 196 39 297 A1 describes a method and a device for high-speed continuous casting plants with a strand thickness reduction during solidification.
  • the strand cross-section during the solidification is reduced in thickness linearly over a minimum length of the strand guide immediately below the mold.
  • the "soft reduction" until at most immediately before Enderstarrung or the sump tip can be a critical deformation of the strand, taking into account the casting speed and the steel grade off.
  • the document EP 0 450 391 B1 discloses a device for supporting a metal cast strand, in particular for soft reduction (also called “soft reduction") in a pre-strip casting plant, wherein underneath the continuous casting mold on both sides of the cast strand mirror-image opposing roll supports are provided Rolls are in operative connection with the cast strand.
  • Each roller carrier is arranged in a fixed frame and divided into a plurality of roller-carrying segments which communicate with adjusting devices. The segments are so articulated coupled to each other that each segment can be set for itself at any angle to the cast strand, and that serves for the general adjustment of the roller carrier, the upper adjustment. It may be a mechanical, hydraulic or mechanical hydraulic adjustment.
  • the present invention seeks to provide a method for changing the thickness of the cast strand of a continuous casting in continuous casting operation, in which the casting speed for the transition process for format thickness change does not have to be reduced, ie, it should receive constant production and casting conditions stay.
  • a transitional length of the strand during the change in thickness is to be shortened comparatively to avoid production losses.
  • Cold reduced thicknesses, which mechanically load the chaff shears, should be avoided.
  • the casting speed e.g. in the reduction from the thicker format to the thinner format or from the thinner format to the thicker format need not be changed and the casting conditions can remain largely constant.
  • Loss of head losses which means production losses, are avoided.
  • the thickness changes can be carried out continuously in a wide adjustment range depending on the respective production program and thus provide a high flexibility of the system.
  • the adaptation of the tapping thickness in the rolling mill to the required final roll thickness.
  • the cast strand is set at Strangg rotating over a length of about 1 to 4 m to a constant thickness, furthermore, it is proposed that the cast strand at the strand end over a length of about 0.5 m to 2 m a constant thickness is set.
  • the transition length of the thickness change in the longitudinal direction of a defined wedge shape follows with a defined slab profile; i.e. between the Strangagging and the strand end, each with a constant thickness, a transition format is arranged in a wedge shape, whereby the resulting slab wedge is ausalzbar while maintaining an acceptable slab profile.
  • the transition length is dependent on the amount of thickness reduction and the Verstellparametem.
  • the segment 1 is closed at the outlet side and the segment 2 at the inlet side or driven up. Delayed or delayed by the length of the segment 2, the segment 2 on the outlet side and the segment 3 on the inlet side are then closed or raised. Subsequently, again delayed by the length of segment 3, the segment 3 on the outlet side and the segment 4 on the inlet side closed or driven up. Finally, the outlet side of segment 4 - again delayed away by the length of segment 4 - closed or ascended.
  • all segments are moved until they are at the desired final thickness.
  • the adjustment steps are carried out simultaneously or predominantly simultaneously.
  • the adjustment speed is comparatively low and is, for example, less than 2.5 mm / min.
  • a further embodiment of the method according to the invention provides that the closing of the segments at constant speed by means of dynamic position control is performed, wherein a force threshold to be determined is not exceeded.
  • the invention proposes that the adjustment speed of the segments is calculated taking into account the permissible strand extension limit values and the actual casting speed in conjunction with the current format setting or in accordance with the volume flow of the strand resulting therefrom.
  • adjustment process is monitored, for example, by means of the current cylinder pressures hydraulic Verstellaggregate and is switched at limit exceeding of position control on force control, and is switched back to position control after reaching the target position.
  • Figure 1 shows the function of the process for a reduction in the thickness of a cast strip 9 of a continuous casting in continuous casting operation.
  • the strand 9 is below a mold 10 on both sides with mirror-image opposing roller supports 8, 8 'in operative connection, which are divided in a series of roll-carrying, by means of joints 5 to 7 coupled to each other segments 1 to 4.
  • Each segment 1 to 4 is adjustable at an angle to the casting 9.
  • the entire strand guide to be changed is set to a uniform production format thickness, as shown in the illustrated home position.
  • the format change is performed in a controlled sequence of adjustment steps of the segments 1 to 4.
  • the format thickness reduction is effected by sequential closing in the casting direction of the successive segments 1 to 4, as can be seen from the illustrated phases 1 to 4.
  • segment 1 outlet side the articulated connection 5 with segment 2 inlet side is closed by nominal value.
  • segment position for the target format - is fed in a second adjustment phase segment 2 outlet side with segment 3 inlet side, and in sequential order of similar steps, the adjustment of the segments 3 and 4 made according to phase 3 or 4 shown.
  • the force means 11 in the direction of a narrowing of the cast strand 9, followed in phase 2 by the intervention of the adjusting device 12 in the direction of narrowing of the strand cross-section and further sequentially in phase 3 and phase 4 of the adjusting devices 13 and 14 for continuous overall reduced format thickness, according to final state in phase 4.
  • the starting position is obtained before phase 1, in which the entire strand guide is set to a production thickness X in the casting operation.
  • the casting speed is constant, the sump tip is in segment 3.
  • segment 1 outlet side and segment 2 inlet side are closed by nominal value at constant speed by means of dynamic position control.
  • a force threshold value to be defined is not exceeded.
  • the approach speed is calculated taking into account the permissible strand elongation limits and the actual casting speed in conjunction with the current format setting or in accordance with the resultant volume flow of the strand.
  • Effective force monitoring monitors the adjustment process. If the force exceeds a calculated limit value, the system switches over from position control to force control. After reaching the target position is switched back to position control accordingly.
  • the roller apron performs a sufficient support of the strand 9, and that the outlet side is tracked according to the material thickness.
  • the existing sump in segment 1, 2 and optionally 3 is not interrupted by the process.
  • the strand support is given by switching from position to force control in all phases.
  • the entire strand guide in the casting operation is set to a production thickness X.
  • the casting speed is constant, the sump tip is in segment 3, the increase in thickness is started with phase 1.
  • segment 2 outlet side is raised (phase 2).
  • the adjustment speed is calculated via the current casting speed, the segment length and the required adjustment path as in the case of the format thickness reduction.
  • Effective force monitoring calculated using the current cylinder pressures of hydraulic adjustment devices, controls the adjustment process.
  • the system switches over from position control to force control. After reaching the target position is switched back to position control accordingly.
  • segment 3 inlet side is driven simultaneously with the same adjustment speed as segment 2 outlet side, according to phase 2.
  • the monitoring function is carried out as in segment 2 outlet side.
  • segment 3 outlet side and segment 4 inlet side are opened (phase 3).
  • the casting speed and the monitoring are calculated as described above.
  • segment 4 outlet side is opened (phase 4).
  • the calculation of the monitoring takes place as described above.
  • the adjusting device is equipped with means for position or force control.
  • Fig. 3 shows schematically the result of the format thickness change with the adjustment of the segments of the strand guide according to the invention.
  • the initial length la which has not yet undergone any reduction in thickness.
  • the transition length follows lü, which arises because the individual segments of the strand guide are fed in the inventive manner.
  • the end length le joins with the desired final thickness. The difference of the thicknesses of the initial length and the final length gives the thickness reduction.
  • the wedge-shaped transition length is designated lü.
  • the segments move all the length offset depending on the Wegsellsystem the same way .DELTA.D in the predetermined transition length.
  • the timing of the adjustment start of each segment is dependent on the distance of the incoming and outgoing role of the segments in relation to the last role of the 1st segment.
  • Fig. 4 shows the schematic course of the cylinder adjustment for the individual segments 1 to 4. All segments are moved until they are at the desired final thickness. The four segments move at the same time during most of the time. For a specified in Fig. 4 transition length lü of 30 m with a thickness reduction of 15 mm and a casting speed of 5m / min, the traversing speed of the cylinder is only about 2.5 mm / min.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Casting Devices For Molds (AREA)

Claims (9)

  1. Procédé pour la modification de l'épaisseur d'un format du brin coulé d'une installation de coulée en fonctionnement continu, le brin coulé (9) étant en assemblage actif sous la lingotière (10), des deux côtés avec des supports (8, 8') de rouleaux les uns en face des autres, qui sont répartis en une succession de segments (n = 1 à i) supportant les rouleaux et chaque segment pouvant être réglé en soi dans un angle par rapport au brin coulé (9) et tout le guidage du brin à modifier étant réglé à une épaisseur de format de produit dans une position de départ, caractérisé en ce qu'à une vitesse de coulée constante, la modification de l'épaisseur du format est réalisée dans une succession réglée d'étapes de réglage des segments (n=1 à i)
    - dans le cas d'une réduction de l'épaisseur du format par un rapprochement séquentiel dans le sens de la coulée des segments qui se succèdent (n=1 à i) et
    - dans le cas d'une augmentation de l'épaisseur du format par un écartement séquentiel dans le sens de la coulée des segments qui se succèdent (n=1 à i) et
    - en ce que lors de la modification de l'épaisseur du format, une longueur de transition de la modification de l'épaisseur est produite qui représente au moins 50%, de préférence 80 à 90% d'une longueur de brame.
  2. Procédé selon la revendication 1, caractérisé en ce que le brin de coulée (9) est réglé, au début, sur une longueur d'environ 1 à 4 m à une épaisseur constante et en son extrémité, sur une longueur d'environ 0,5 à 2 m également à une épaisseur constante.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la longueur de transition dans le sens longitudinal suit une forme de clavette définie avec un profil de brame défini, la modification de l'épaisseur du format du brin coulé étant linéaire ou quasiment linéaire.
  4. Procédé selon au moins l'une quelconque des revendications 1 à 3, caractérisé en ce que dans le cas d'un guidage du brin constitué par exemple de quatre segments (n=1 à n = 4), le profil de la brame en forme de clavette est réglé par les étapes suivantes :
    - à partir d'une longueur zéro, le segment (1) côté sortie et le segment (2) côté entrée sont respectivement rapprochés ou écartés ;
    - ensuite, de manière retardée dans le temps ou dans l'espace sur la longueur du segment (2), le segment (2) côté sortie et le segment (3) côté entrée sont respectivement rapprochés ou écartés,
    - de manière retardée dans l'espace sur la longueur du segment (3), celui-ci est respectivement rapproché ou écarté sur son côté sortie et le segment (4) est respectivement rapproché ou écarté sur son côté entrée,
    - dans la dernière étape, également de manière retardée dans l'espace, sur la longueur du segment (4), son côté sortie est respectivement rapproché ou écarté ;
    - tous les segments (n=1 à n=4) étant déplacés jusqu'à ce qu'ils soient réglés à l'épaisseur finale souhaitée et
    - les étapes de réglage étant réalisées simultanément ou de manière quasiment simultanée et la vitesse de réglage étant relativement basse, par exemple < 2,5 mm/min.
  5. Procédé selon l'une ou plusieurs des revendications 1 à 4, caractérisé
    - en ce que, pour la modification de l'épaisseur du format dans une première phase de réglage, à une vitesse de coulée constante - la pointe de la masse fondue du brin (9) se trouvant par exemple dans le segment (n=3) - on rapproche d'abord, dans le cas d'une réduction de l'épaisseur, le segment (n=1) côté sortie, via l'assemblage articulé (5) à une valeur de consigne avec le segment n=2 côté entrée et - dans le cas d'un agrandissement de l'épaisseur - on les écarte à une valeur de consigne et
    - après avoir atteint la position cible - c'est-à-dire la position de segment pour le format cible - dans une deuxième phase de réglage, on rapproche ou on écarte le segment (n=2) côté sortie avec le segment (n=3) côté entrée et
    - on procède au réglage des segments (3, 4 à i) à la position cible dans une succession séquentielle d'étapes similaires.
  6. Procédé selon l'une ou plusieurs des revendications 1 à 5, caractérisé en ce que le rapprochement ou l'écartement des segments (n=1 à i) est réalisé à une vitesse de réglage constante au moyen d'une régulation de position dynamique sans dépasser une valeur seuil de force à déterminer, la vitesse de réglage étant calculée en tenant compte des valeurs limites de dilatation du brin et de la vitesse de coulée instantanée en association avec le réglage du format en vigueur ou en fonction du flux volumique du brin qui en résulte.
  7. Procédé selon l'une ou plusieurs des revendications 1 à 6, caractérisé en ce que la vitesse de réglage est calculée via la vitesse de coulée instantanée, la longueur du segment et le parcours de réglage nécessaire selon la formule : V = D s / L s ∗ V coulée
    Figure imgb0005
     dans laquelle
    Ds = modification de l'épaisseur du format
    Ls = longueur du segment
    Vcoulée = vitesse de coulée instantanée.
  8. Procédé selon l'une ou plusieurs des revendications 1 à 7, caractérisé en ce que le processus de réglage est contrôlé au moyen de pressions instantanées des vérins de dispositifs de réglage hydrauliques, en ce qu'on passe d'un réglage en fonction de la position à un réglage en fonction de la force lors du dépassement d'une valeur limite ainsi et qu'on revient à un réglage en fonction de la position après avoir atteint la position cible.
  9. Procédé selon l'une ou plusieurs des revendications 1 à 8, caractérisé en ce que sur le segment (n=1 à n=i), le réglage hydraulique commence sur le côté sortie et sur les segments (n=2 à n=i), le réglage est continué séquentiellement côté entrée ainsi que côté sortie et en ce que la vitesse de réglage de deux segments consécutifs est forcément synchrone.
EP00126252A 1999-12-15 2000-12-01 Procédé pour la modification du format de la section d'une barre sous la lingotière d'une installation de coulée continue Expired - Lifetime EP1108484B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19960688 1999-12-15
DE19960688 1999-12-15
DE10038291 2000-08-05
DE10038291A DE10038291A1 (de) 1999-12-15 2000-08-05 Verfahren zur Formatdickenänderung des Gußstranges unterhalb der Kokille einer Stranggießanlage

Publications (2)

Publication Number Publication Date
EP1108484A1 EP1108484A1 (fr) 2001-06-20
EP1108484B1 true EP1108484B1 (fr) 2006-02-22

Family

ID=26006620

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00126252A Expired - Lifetime EP1108484B1 (fr) 1999-12-15 2000-12-01 Procédé pour la modification du format de la section d'une barre sous la lingotière d'une installation de coulée continue

Country Status (5)

Country Link
US (1) US6533024B2 (fr)
EP (1) EP1108484B1 (fr)
AT (1) ATE318193T1 (fr)
DE (1) DE50012252D1 (fr)
ES (1) ES2258438T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9118711B2 (en) 2003-07-01 2015-08-25 Securityprofiling, Llc Anti-vulnerability system, method, and computer program product
US9118708B2 (en) 2003-07-01 2015-08-25 Securityprofiling, Llc Multi-path remediation
US9118709B2 (en) 2003-07-01 2015-08-25 Securityprofiling, Llc Anti-vulnerability system, method, and computer program product
DE102004002783A1 (de) * 2004-01-20 2005-08-04 Sms Demag Ag Verfahren und Einrichtung zum Bestimmen der Lage der Sumpfspitze im Gießstrang beim Stranggießen von flüssigen Metallen, insbesondere von flüssigen Stahlwerkstoffen
CN104275455A (zh) * 2013-07-03 2015-01-14 程思明 连续铸造生产线

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1583620A1 (de) * 1967-12-15 1970-08-27 Demag Ag Verfahren und Vorrichtung zum Behandeln von Giessstraengen durch Walzen
EP0326190B1 (fr) * 1987-04-13 1992-05-13 Thyssen Stahl Aktiengesellschaft Installation pour fabriquer un feuillard d'acier ayant une épaisseur située entre 2 et 25 mm
DE4010966A1 (de) * 1990-04-05 1991-10-10 Schloemann Siemag Ag Vorrichtung zur stuetzung eines metallgiessstranges, insbesondere zur weichreduktion bei einer vorband-giessanlage
ES2089317T3 (es) * 1991-09-19 1996-10-01 Schloemann Siemag Ag Procedimiento e instalacion para la fabricacion de banda de acero.
AT401744B (de) * 1993-10-14 1996-11-25 Voest Alpine Ind Anlagen Verfahren und anlage zum stranggiessen
DE4338805C2 (de) * 1993-11-12 1995-10-26 Schloemann Siemag Ag Verfahren und Vorrichtung zum Betreiben einer Stranggießanlage
IT1280171B1 (it) * 1995-05-18 1998-01-05 Danieli Off Mecc Linea di colata verticale per bramme
AT404806B (de) * 1996-05-08 1999-03-25 Voest Alpine Ind Anlagen Strangführung für eine stranggiessanlage
DE19639297C2 (de) * 1996-09-25 2000-02-03 Schloemann Siemag Ag Verfahren und Vorrichtung für Hochgeschwindigkeits-Stranggießanlagen mit einer Strangdickenreduktion während der Erstarrung

Also Published As

Publication number Publication date
EP1108484A1 (fr) 2001-06-20
DE50012252D1 (de) 2006-04-27
ES2258438T3 (es) 2006-09-01
US6533024B2 (en) 2003-03-18
ATE318193T1 (de) 2006-03-15
US20010017197A1 (en) 2001-08-30

Similar Documents

Publication Publication Date Title
EP0853987B1 (fr) Installation pour la production d&#39;un feuillard, d&#39;un feuillard ébaucheé ou d&#39;une bramme
EP0326190B1 (fr) Installation pour fabriquer un feuillard d&#39;acier ayant une épaisseur située entre 2 et 25 mm
DE1452117C3 (de) Verfahren und Walzenstraße zum Warmwalzen von Brammen
AT401744B (de) Verfahren und anlage zum stranggiessen
DE2923113A1 (de) Verfahren zum aendern eines strangquerschnittformates und kokille zur durchfuehrung des verfahrens
EP1446242B1 (fr) Procede et dispositif de realisation en continu d&#39;un feuillard metallique lamine a partir d&#39;un metal en fusion
EP1108484B1 (fr) Procédé pour la modification du format de la section d&#39;une barre sous la lingotière d&#39;une installation de coulée continue
DE3501716A1 (de) Verfahren und einrichtung zum verstellen der schmalseitenplatten einer stranggiesskokille beim stranggiessen von metallen, insbesondere von stahl
EP3016762B1 (fr) Installation de laminage de coulée continue et procédé de fabrication de produit laminé métallique
EP0662357B1 (fr) Procédé et dispositif pour exercer une installation de coulée continue
WO2016165933A1 (fr) Installation de coulée et de laminage et procédé servant à faire fonctionner ladite installation
EP1070559B1 (fr) Procédé pour la modification du format de la section d&#39;une barre dans une installation de coulée continue en opération
DE1934302C3 (de) Verfahren und Vorrichtung zum Warmwalzen von Metallbrammen
EP1365874B1 (fr) Procede et dispositif de fabrication de brames minces
EP1050355B1 (fr) Procédé pour la production d&#39;un produit en acier coulé en continu
DE10038291A1 (de) Verfahren zur Formatdickenänderung des Gußstranges unterhalb der Kokille einer Stranggießanlage
WO1996033826A1 (fr) Procede a deux rouleaux pour la fabrication d&#39;un produit continu sous forme d&#39;une bande metallique et dispositif pour la mise en ×uvre de ce procede
EP1412110B1 (fr) Procede et dispositif de coulee continue verticale d&#39;un feuillard d&#39;acier
WO2014005575A2 (fr) Installation de coulée en bande et de laminage fonctionnant en continu
DE1433022A1 (de) Verfahren und Vorrichtung zum Stranggiessen
WO2024037839A1 (fr) Procédé de fabrication de bandes métalliques par coulée et laminage en continu
WO2002085559A1 (fr) Procede et dispositif pour produire une matiere de base de coulee continue
DE154720C (fr)
EP3703883A1 (fr) Installation de coulée continue à réglage de cylindres individuels
DE3109907A1 (de) Verfahren zum horizontalen stranggiessen von stahl

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20001215

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE DE ES FR GB IT

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

RIN1 Information on inventor provided before grant (corrected)

Inventor name: JEPSEN, OLAF NORMAN

Inventor name: KNEPPE, GUENTER

Inventor name: BEYER-STEINHAUER, HOLGER

Inventor name: STREUBEL, HANS

AKX Designation fees paid

Free format text: AT BE DE ES FR GB IT

17Q First examination report despatched

Effective date: 20041014

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

TCAT At: translation of patent claims filed
GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

RIN1 Information on inventor provided before grant (corrected)

Inventor name: JEPSEN, OLAF NORMAN DR.

Inventor name: KNEPPE, GUENTER DR.

Inventor name: STREUBEL, HANS

Inventor name: BEYER-STEINHAUER, HOLGER DR.

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE DE ES FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 50012252

Country of ref document: DE

Date of ref document: 20060427

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20060531

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2258438

Country of ref document: ES

Kind code of ref document: T3

ET Fr: translation filed
PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

26 Opposition filed

Opponent name: VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & CO

Effective date: 20061117

PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

RDAF Communication despatched that patent is revoked

Free format text: ORIGINAL CODE: EPIDOSNREV1

APBP Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2O

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO

APBQ Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3O

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: SMS SIEMAG AG

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

R26 Opposition filed (corrected)

Opponent name: VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & CO

Effective date: 20061117

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

APBU Appeal procedure closed

Free format text: ORIGINAL CODE: EPIDOSNNOA9O

R26 Opposition filed (corrected)

Opponent name: SIEMENS VAI METALS TECHNOLOGIES GMBH & CO

Effective date: 20061117

PLBN Opposition rejected

Free format text: ORIGINAL CODE: 0009273

PLCK Communication despatched that opposition was rejected

Free format text: ORIGINAL CODE: EPIDOSNREJ1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: OPPOSITION REJECTED

27O Opposition rejected

Effective date: 20090917

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 50012252

Country of ref document: DE

Representative=s name: HEMMERICH & KOLLEGEN, DE

Ref country code: DE

Ref legal event code: R081

Ref document number: 50012252

Country of ref document: DE

Owner name: SMS GROUP GMBH, DE

Free format text: FORMER OWNER: SMS SIEMAG AKTIENGESELLSCHAFT, 40237 DUESSELDORF, DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20151214

Year of fee payment: 16

Ref country code: BE

Payment date: 20151221

Year of fee payment: 16

Ref country code: FR

Payment date: 20151221

Year of fee payment: 16

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20161231

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20170831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170102

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20161231

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20180507

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060222

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20161202

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20191210

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20191230

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20191220

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20191220

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 50012252

Country of ref document: DE

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20201130

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK07

Ref document number: 318193

Country of ref document: AT

Kind code of ref document: T

Effective date: 20201201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20201130