EP0714715B1 - Means for supporting a side wall for a continuous casting plant for casting strips between rolls - Google Patents

Means for supporting a side wall for a continuous casting plant for casting strips between rolls Download PDF

Info

Publication number
EP0714715B1
EP0714715B1 EP95402329A EP95402329A EP0714715B1 EP 0714715 B1 EP0714715 B1 EP 0714715B1 EP 95402329 A EP95402329 A EP 95402329A EP 95402329 A EP95402329 A EP 95402329A EP 0714715 B1 EP0714715 B1 EP 0714715B1
Authority
EP
European Patent Office
Prior art keywords
cylinders
pads
thrust
rolls
face
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
EP95402329A
Other languages
German (de)
French (fr)
Other versions
EP0714715A1 (en
Inventor
Hugues Legrand
Pierre Delassus
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.)
Thyssen Stahl AG
USINOR SA
Original Assignee
Thyssen Stahl AG
USINOR SA
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
Application filed by Thyssen Stahl AG, USINOR SA filed Critical Thyssen Stahl AG
Publication of EP0714715A1 publication Critical patent/EP0714715A1/en
Application granted granted Critical
Publication of EP0714715B1 publication Critical patent/EP0714715B1/en
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
    • 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
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0637—Accessories therefor
    • B22D11/0648—Casting surfaces
    • B22D11/066—Side dams

Definitions

  • the invention relates to the continuous casting of metals. More specifically, it concerns the devices for lateral containment of liquid metal in the ingot molds of thin strip continuous casting machines, the casting space of which is limited by the side surfaces close to two cylinders with horizontal axes, energetically internally cooled and rotated in opposite directions.
  • French patent application FR9408319 brings an improvement to this procedure and those who derive from it by providing means to slightly deform the lateral faces by modulating the pressure applied to their different areas.
  • temporary or permanent inequalities in the forces exerted on the different parts of the lateral faces by the cylinders can occur, for example, in the case of parasitic solidification of metal seeped between the side face and a cylinder, or when both sides of the cylinders against which the side face is applied are not perfectly coplanar and orthogonal to the axes of the cylinders.
  • Document EP-A-0 588 743 proposes to lubricate the interface between the face side and the cylinder by means of a bar of self-lubricating material crossing the lateral face, permanently maintaining a slight clearance between the lateral face and the cylinder in its area of application. For this purpose, it must necessarily be permanently applied against the cylinder and overflowing from the side face.
  • the object of the invention is to provide the operator with the means of imposing on the lateral face a controlled wear which would not be higher than what would be strictly necessary for the smooth running of the casting.
  • the invention relates to a device for supporting a lateral face of a continuous casting installation between cylinders of thin metal products of the type with two cooled cylinders with horizontal axes, two side faces applied against the edges of the rolls, said support device comprising a carriage movable on command in a direction parallel to the axes of the cylinders, a pushing device carried by said carriage, and a plate connected to said device thrust and integral with the lateral face, characterized in that said plate comprises at at least two pads movable when ordered in a direction parallel to the axes cylinders by devices capable of applying each of said pads against a edge of one of the cylinders without causing it to overflow relative to said lateral face.
  • the invention consists in equipping the support means side faces of at least two friction pads movable on command can each rest on one of the cylinders. These pads allow to regulate precisely the loss of material due to wear of the lateral face at a very low value when the contact surfaces between the side face and the edges of the cylinders are perfectly regular.
  • we normally aim for the front side of each skate is kept permanently aligned with the front face of the face lateral, or very slightly set back from it. If the skates are aligned on the face lateral, they are the ones who assume the friction force between the cylinders and the face lateral, whose wear by friction becomes theoretically zero. If they are placed slightly behind the side face, it is only this which will rub against the cylinders.
  • Figure 1 shows a side of a casting machine between two rolls 1, 1 'with horizontal axes rotated and internally cooled, of which only one of the cylinders 1 is visible.
  • the other side of the machine is equipped so similar.
  • the casting space defined by the two cylinders 1, 1 ' is closed laterally by a side face 2 made of refractory material, the front face of which is applied against edges 3 of cylinders 1, 1 '.
  • the side face 2 is fixed on a plate 4 which is in one material such as metallic material. This plate 4 is preferably cooled to prevent it from being affected by deformations of purely thermal origin.
  • Displacement and bearing force on cylinders 1, 1 'of the side face 2 are controlled by an assembly which acts on the plate 4 and which will be described in more detail detail.
  • it comprises a carriage 5 movable to control according to a direction parallel to the cylinder axes 1, 1 '.
  • a device thrust 6 such as a jack, comprising a rod 7 movable on control, always in the same direction parallel to the axes of the cylinders 1, 1 '.
  • this rod 7 acts directly on the plate 4, and its position, combined with that of the carriage 5, makes it possible to adjust the pressing force exerted by the side face 2 on the cylinders 1, 1 '.
  • the rod 7 attacks a thrust plate 8, itself connected to the plate 4 by a set of thrust members, 9, 9 ', 9 ", 9"' such as springs or piloted cylinders.
  • thrust members 9, 9 ', 9 ", 9"' such as springs or piloted cylinders.
  • These organs are distributed over an area whose shape corresponds to that of the side face 2. They have the function of authorizing a slight retreat of a portion of the lateral face 2 when a parasitic solidification is interposed between it and one of the cylinders 1, 1 ', without however the contact conditions between the rest of the face side 2 and the cylinders are affected.
  • the plate 4 supporting the side face 2 carries four pads 10, 10 ', 10 ", 10"'.
  • These pads 10, 10 ', 10 ", 10"' are each equipped with a device 11, 11 'which can move them on command, gradually or jerky, to give them the possibility of either coming to bear. on any part of the edge 3 of one of the cylinders 1, 1 ', or to move away from this cylinder.
  • Figure 2 there is shown in phantom the trace of the peripheries of the cylinders 1, 1 ', in order to locate the locations of the pads 10, 10', 10 ", 10"'relative to the cylinders 1, 1' and the side face 2.
  • the pads 10, 10 " are located in the upper part of the plate 4 and can bear on the edges of the edges 3 of the cylinders 1, 1 'just above the side face 2.
  • the pads 10 ', 10 "' are located in the lower part of the plate 4 and bear on the cylinders 1, 1 'next to the side face 2 and near the neck 12, that is to say of the area where the gap between the cylinders 1, 1 ′ is the smallest. It is understood that the locations of the pads 10, 10 ', 10 " , 10"' as they are described and shown are only examples of implementation of the invention. Other locations could be envisaged, and their choice depends in particular on the configuration of the plate 4.
  • the devices for moving the pads 10, 10 ', 10 ", 10”' can be constituted by any electric or hydraulic actuators, for example cylinders, screws, rack and pinion devices, etc.
  • These pads 10, 10 ', 10 ", 10"' can, as shown, have a planar contact surface with the edges 3 of the cylinders 1, 1 '.
  • they also preferably comprise means not shown ensuring the lubrication of this contact surface, for example by injecting oil or a powder of a solid lubricant such as boron nitride. This limits wear by friction of both the cylinders 1, 1 'and the pads 10, 10', 10 ", 10"'.
  • these pads 10, 10 ', 10 ", 10"' can be constituted by a roller or a roller, in which case it is no longer useful to provide a lubrication device.
  • these variants have the advantage, compared to the pads having a planar contact surface with the cylinder 1, 1 ', of being less sensitive to the dirt which may be present on the edges 3 of cylinders 1, 1 ', thanks to their reduced contact surface.
  • each plate 4 it is also possible to equip each plate 4 only with two pads, rubbing each on a different cylinder 1, 1 ′, and preferably arranged in the vicinity of the upper part of the lateral face 4, for example at the location of the pads 10, 10 "in Figure 2.
  • the lubrication systems of the pads 10, 10 "contribute to the lubrication of the interfaces between the cylinders 1, 1 'and the face lateral 2, because the edges of the cylinders 1, 1 ′ against which they are supported go, immediately after, come into contact with the side face 2. This is favorable for a reduced wear on the side face 2.
  • Another variant of the invention consists in using pads 10, 10 ', 10 ", 10"' (or at least some of them) in a self-lubricating material, such as nitride of boron.
  • a self-lubricating material such as nitride of boron.
  • the invention is, moreover, perfectly compatible with the use of faces side 2 which, as it is known, would give an oscillating movement in the plane of the flat faces of the cylinders 1, 1 '.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Coating With Molten Metal (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Paper (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Metal Rolling (AREA)
  • Casting Devices For Molds (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

The support consists of a carriage (5) movable parallel to the axes of the cylinders (1) carrying a thrust member (6) which interacts with the end of a cylinder via a plate (4) and ≥ 2 feet (10, 10') engaging with the cylinder's edge. The plate (4) is connected to the thrust member by means of a thrust plate (8) and thrust elements (9, 9', 9'') distributed over an area corresp. to that of the cylinder's end face. The feet (10, 10') are actuated by power cylinders (11) or screw or rack mechanisms, and the feet have lubricated or self-lubricating faces to interact with the cylinder.

Description

L'invention concerne la coulée continue des métaux. Plus précisément, elle concerne les dispositifs de confinement latéral du métal liquide dans les lingotières des machines de coulée continue de bandes minces, dont l'espace de coulée est limité par les surfaces latérales rapprochées de deux cylindres à axes horizontaux, énergiquement refroidis intérieurement et mis en rotation en sens contraires.The invention relates to the continuous casting of metals. More specifically, it concerns the devices for lateral containment of liquid metal in the ingot molds of thin strip continuous casting machines, the casting space of which is limited by the side surfaces close to two cylinders with horizontal axes, energetically internally cooled and rotated in opposite directions.

Sur ce type de machine de coulée continue, dit "coulée entre cylindres", dont l'application industrielle à la coulée de bandes d'acier d'environ 2 à 10 mm d'épaisseur est actuellement en cours, le confinement latéral du métal liquide dans l'espace de coulée défini par les cylindres est assuré par des plaques qui sont appliquées contre les extrémités planes des cylindres, appelées "chants", par un dispositif approprié. Ces plaques sont habituellement désignées par les termes "faces latérales" ou "petites faces". Leur partie centrale destinée à être au contact du métal liquide est en matériau réfractaire, de même, en général, que leur périphérie qui frotte contre les cylindres en s'usant progressivement. Il est indispensable qu'elles soient en contact aussi étanche que possible avec les cylindres, car des infiltrations de métal liquide dans leur zone de contact auraient des effets désastreux sur la qualité des rives de la bande coulée. Celles-ci prendraient une forme dentelée, et seraient excessivement fragiles. Elles risqueraient alors de se séparer du reste de la bande et de rester collées aux cylindres. Si ce collage persistait pendant un tour complet des cylindres et si les lambeaux de rives pénétraient donc dans l'espace de coulée, cela pourrait donner lieu à de graves détériorations des surfaces des cylindres. Au pire, ces infiltrations de métal pourraient parvenir jusqu'à l'extérieur de la machine, ce qui imposerait l'arrêt immédiat de la coulée.On this type of continuous casting machine, called "casting between cylinders", of which industrial application to the casting of steel strips about 2 to 10 mm thick is currently in progress, the lateral confinement of the liquid metal in the space of casting defined by the cylinders is ensured by plates which are applied against flat ends of the cylinders, called "edges", by an appropriate device. These plates are usually referred to as "side faces" or "small faces ". Their central part intended to be in contact with liquid metal is made of material refractory, as well, in general, as their periphery which rubs against the cylinders in gradually wearing out. They must be in contact as tight as possible with cylinders, because liquid metal infiltration in their area of contact would have disastrous effects on the quality of the edges of the strip. These would take a serrated form, and would be excessively fragile. They would risk then separate from the rest of the strip and stay glued to the cylinders. If this collage persisted for a full revolution of the cylinders and if the shreds of the edges penetrated so in the casting space this could cause serious deterioration of the cylinder surfaces. At worst, these metal infiltrations could reach outside the machine, which would require the immediate stopping of the casting.

De tels défauts d'étanchéité peuvent avoir des causes multiples, parmi lesquelles on peut citer:

  • les déformations des cylindres et des faces latérales, dues aux sollicitations mécaniques et thermiques qu'ils subissent, en particulier au tout début de la coulée lors de leur mise en régime thermique;
  • l'usure progressive des faces latérales ou des cylindres, qui n'est pas toujours uniforme sur l'ensemble de leurs zones de contact;
  • l'usure instantanée des faces latérales provoquée par le passage d'une infiltration de métal solidifié.
Such leaks can have multiple causes, including:
  • the deformations of the cylinders and of the lateral faces, due to the mechanical and thermal stresses which they undergo, in particular at the very beginning of the casting when they are brought into thermal regime;
  • progressive wear of the lateral faces or of the cylinders, which is not always uniform over all of their contact zones;
  • the instantaneous wear of the lateral faces caused by the passage of an infiltration of solidified metal.

Il a déjà été proposé de résoudre ces problèmes d'étanchéité en provoquant une usure contrôlée des faces latérales par un frottement maítrisé de celles-ci contre les cylindres. On régénère ainsi en permanence les surfaces de contact des faces latérales, en les adaptant au mieux aux éventuelles évolutions de la forme des parties des cylindres sur lesquelles elles s'appuient. On peut citer, à cet égard, le document EP-A-546206. Il enseigne de presser tout d'abord fortement les faces latérales contre les cylindres en rotation avant le début de la coulée, afin de leur faire épouser la configuration initiale exacte des chants des cylindres. Ensuite on relâche un peu cette pression, puis on démarre la coulée en remettant temporairement une forte pression sur les faces latérales, de manière à créer délibérément une usure qui conforme les faces latérales aux chants des cylindres. En cours de coulée, on continue à appliquer les faces latérales contre les cylindres, en compensant leur usure par un déplacement à une vitesse modérée prédéterminée. On provoque ainsi une usure maítrisée assurant le renouvellement permanent des surfaces de contact entre les faces latérales et les cylindres.It has already been proposed to solve these sealing problems by causing controlled wear of the side faces by controlled friction of the latter against the cylinders. The contact surfaces of the lateral faces are thus constantly regenerated, by adapting them as best as possible to any changes in the shape of the parts of the cylinders on which they are based. Mention may be made, in this regard, of document EP-A-546206. He teaches first of all to strongly press the lateral faces against the cylinders in rotation before the start of the casting, in order to make them marry the exact initial configuration of the edges of the cylinders. Then we release this a little pressure, then start the casting by temporarily putting a strong pressure on the side faces, so as to deliberately create wear which conforms the faces lateral to the edges of the cylinders. During casting, we continue to apply the faces side against the cylinders, compensating for their wear by a displacement at a predetermined moderate speed. This causes controlled wear ensuring the permanent renewal of the contact surfaces between the lateral faces and the cylinders.

La demande de brevet français FR9408319 apporte une amélioration à ce mode opératoire et à ceux qui en dériveraient en prévoyant des moyens permettant de déformer légèrement les faces latérales en modulant la pression appliquée sur leurs différentes zones. Ainsi, on tient compte des inégalités temporaires ou permanentes dans les efforts exercés sur les différentes parties des faces latérales par les cylindres. De telles inégalités peuvent se produire, par exemple, en cas de solidification parasite de métal infiltré entre la face latérale et un cylindre, ou lorsque les deux faces des cylindres contre lesquelles est appliquée la face latérale ne sont pas parfaitement coplanaires et orthogonales aux axes des cylindres.French patent application FR9408319 brings an improvement to this procedure and those who derive from it by providing means to slightly deform the lateral faces by modulating the pressure applied to their different areas. Thus, we take into account temporary or permanent inequalities in the forces exerted on the different parts of the lateral faces by the cylinders. Such inequalities can occur, for example, in the case of parasitic solidification of metal seeped between the side face and a cylinder, or when both sides of the cylinders against which the side face is applied are not perfectly coplanar and orthogonal to the axes of the cylinders.

Ces modes opératoires ont cependant l'inconvénient d'imposer à chaque face latérale une usure par frottement qui est, certes, mesurable par l'intermédiaire de la vitesse d'avancement, mais qui n'est pas contrôlable. Elle peut s'avérer inutilement importante dans le cas où la coulée se déroule sans incident particulier.However, these procedures have the disadvantage of imposing on each face lateral wear by friction which is certainly measurable by means of the forward speed, but which is not controllable. It can be unnecessarily important in case the casting takes place without any particular incident.

Le document EP-A-0 588 743 propose de lubrifier l'interface entre la face latérale et le cylindre au moyen d'un barreau en matériau autolubrifiant traversant la face latérale, maintenant en permanence un léger jeu entre la face latérale et le cylindre dans sa zone d'aplication. Il doit, à cet effet, être nécessairement en permanence appliqué contre le cylindre et en débordant de la face latérale.Document EP-A-0 588 743 proposes to lubricate the interface between the face side and the cylinder by means of a bar of self-lubricating material crossing the lateral face, permanently maintaining a slight clearance between the lateral face and the cylinder in its area of application. For this purpose, it must necessarily be permanently applied against the cylinder and overflowing from the side face.

Le but de l'invention est de procurer à l'opérateur les moyens d'imposer à la face latérale une usure contrôlée qui ne serait pas supérieure à ce qui serait strictement nécessaire au bon déroulement de la coulée.The object of the invention is to provide the operator with the means of imposing on the lateral face a controlled wear which would not be higher than what would be strictly necessary for the smooth running of the casting.

A cet effet, l'invention a pour objet un dispositif de support d'une face latérale d'une installation de coulée continue entre cylindres de produits métalliques minces du type comportant deux cylindres refroidis à axes horizontaux, deux faces latérales appliquées contre les chants des cylindres, ledit dispositif de support comportant un chariot déplaçable à la commande selon une direction parallèle aux axes des cylindres, un dispositif de poussée porté par ledit chariot, et une platine reliée audit dispositif de poussée et solidaire de la face latérale, caractérisé en ce que ladite platine comporte au moins deux patins déplaçables à la commande selon une direction parallèle aux axes des cylindres par des dispositifs pouvant appliquer chacun desdits patins contre un chant d'un des cylindres sans le faire déborder par rapport à ladite face latérale.To this end, the invention relates to a device for supporting a lateral face of a continuous casting installation between cylinders of thin metal products of the type with two cooled cylinders with horizontal axes, two side faces applied against the edges of the rolls, said support device comprising a carriage movable on command in a direction parallel to the axes of the cylinders, a pushing device carried by said carriage, and a plate connected to said device thrust and integral with the lateral face, characterized in that said plate comprises at at least two pads movable when ordered in a direction parallel to the axes cylinders by devices capable of applying each of said pads against a edge of one of the cylinders without causing it to overflow relative to said lateral face.

Comme on l'aura compris,l'invention consiste à équiper les moyens de support des faces latérales d'au moins deux patins de frottement déplaçables à la commande pouvant s'appuyer chacun sur l'un des cylindres. Ces patins permettent de réguler précisément la perte de matière par usure de la face latérale à une valeur très faible lorsque les surfaces de contact entre la face latérale et les bords des cylindres sont parfaitement régulières. Pendant la coulée, on vise normalement à ce que la face avant de chaque patin soit maintenue en permanence alignée avec la face avant de la face latérale, ou très légèrement en retrait de celle-ci. Si les patins sont alignés sur la face latérale, ce sont eux qui assument l'effort de frottement entre les cylindres et la face latérale, dont l'usure par frottement devient théoriquement nulle. S'ils sont placés légèrement en retrait de la face latérale, c'est uniquement celle-ci qui va frotter contre les cylindres. Elle va donc s'user, jusqu'à ce que cette usure soit suffisamment prononcée pour que la face avant de la face latérale devienne alignée avec celles des patins. On se retrouve alors dans le cas précédent, et l'usure est interrompue jusqu'à ce que les patins soient à nouveau placés en retrait de la face latérale. Ce retrait peut être effectué de manière continue, avec une vitesse de déplacement des patins égale à la vitesse d'usure que l'on désire imposer à la face latérale, ou bien de manière discontinue, auquel cas c'est leur vitesse de déplacement moyenne calculée sur un intervalle de temps donné qui doit être maintenue égale à la vitesse d'usure désirée.As will be understood, the invention consists in equipping the support means side faces of at least two friction pads movable on command can each rest on one of the cylinders. These pads allow to regulate precisely the loss of material due to wear of the lateral face at a very low value when the contact surfaces between the side face and the edges of the cylinders are perfectly regular. During casting, we normally aim for the front side of each skate is kept permanently aligned with the front face of the face lateral, or very slightly set back from it. If the skates are aligned on the face lateral, they are the ones who assume the friction force between the cylinders and the face lateral, whose wear by friction becomes theoretically zero. If they are placed slightly behind the side face, it is only this which will rub against the cylinders. It will therefore wear out, until this wear is sufficient pronounced so that the front face of the lateral face becomes aligned with those of the skates. We then find ourselves in the previous case, and the wear is interrupted until that the pads are again set back from the side face. This withdrawal can be performed continuously, with a speed of movement of the skates equal to the speed of wear which one wishes to impose on the lateral face, or else so discontinuous, in which case it is their average displacement speed calculated on a given time interval which must be kept equal to the desired wear speed.

L'invention sera mieux comprise à la lecture de la description qui suit, donnée en référence aux figures suivantes:

  • la figure 1 qui montre schématiquement vus de profil un dispositif selon l'invention et l'un des cylindres de coulée contre lesquels l'une des faces latérales de la machine de coulée entre cylindres est appliquée;
  • la figure 2 qui schématise la face avant d'une face latérale dont le support est conforme à l'invention.
The invention will be better understood on reading the description which follows, given with reference to the following figures:
  • Figure 1 which schematically shows in profile a device according to the invention and one of the casting rolls against which one of the side faces of the casting machine between rolls is applied;
  • Figure 2 which shows schematically the front face of a lateral face whose support is in accordance with the invention.

La figure 1 représente un côté d'une machine de coulée entre deux cylindres rapprochés 1, 1' à axes horizontaux mis en rotation et refroidis intérieurement, dont seul un des cylindres 1 est visible. L'autre côté de la machine est équipé de manière similaire. L'espace de coulée défini par les deux cylindres 1, 1' est obturé latéralement par une face latérale 2 en matériau réfractaire dont la face avant est appliquée contre les chants 3 des cylindres 1, 1'. La face latérale 2 est fixée sur une platine 4 qui est en un matériau tel qu'un matériau métallique. Cette platine 4 est de préférence refroidie pour éviter qu'elle ne soit affectée par des déformations d'origine purement thermique. Figure 1 shows a side of a casting machine between two rolls 1, 1 'with horizontal axes rotated and internally cooled, of which only one of the cylinders 1 is visible. The other side of the machine is equipped so similar. The casting space defined by the two cylinders 1, 1 'is closed laterally by a side face 2 made of refractory material, the front face of which is applied against edges 3 of cylinders 1, 1 '. The side face 2 is fixed on a plate 4 which is in one material such as metallic material. This plate 4 is preferably cooled to prevent it from being affected by deformations of purely thermal origin.

Les déplacements et la force d'appui sur ies cylindres 1, 1' de la face latérale 2 sont commandés par un ensemble qui agit sur la platine 4 et qui va être décrit plus en détail. De manière connue, il comprend un chariot 5 mobile à la commande selon une direction parallèle aux axes de cylindres 1, 1'. Sur ce chariot 5 est monté un dispositif de poussée 6 tel qu'un vérin, comportant une tige 7 déplaçable à la commande, toujours selon la même direction parallèle aux axes des cylindres 1, 1'. Dans une version simplifiée non représentée de l'invention, cette tige 7 agit directement sur la platine 4, et sa position, conjuguée à celle du chariot 5, permet de régler la force d'appui exercée par la face latérale 2 sur les cylindres 1, 1'. Dans la version la plus élaborée de l'invention, qui reprend le dispositif faisant l'objet de la demande de brevet français FR9408319 déjà citée, la tige 7 attaque une plaque de poussée 8, elle-même reliée à la platine 4 par un ensemble d'organes de poussée, 9, 9', 9", 9"' tels que des ressorts ou des vérins pilotés. Ces organes sont répartis sur une zone dont la forme correspond à celle de la face latérale 2. Ils ont pour fonction d'autoriser un léger recul d'une portion de la face latérale 2 lorsqu'une solidification parasite s'interpose entre elle et l'un des cylindres 1, 1', sans pour autant que les conditions de contact entre le restant de la face latérale 2 et les cylindres en soient affectées. On se reportera au texte de la demande française précitée pour plus de détails.Displacement and bearing force on cylinders 1, 1 'of the side face 2 are controlled by an assembly which acts on the plate 4 and which will be described in more detail detail. In known manner, it comprises a carriage 5 movable to control according to a direction parallel to the cylinder axes 1, 1 '. On this carriage 5 is mounted a device thrust 6 such as a jack, comprising a rod 7 movable on control, always in the same direction parallel to the axes of the cylinders 1, 1 '. In a version simplified not shown of the invention, this rod 7 acts directly on the plate 4, and its position, combined with that of the carriage 5, makes it possible to adjust the pressing force exerted by the side face 2 on the cylinders 1, 1 '. In the most elaborate version of the invention, which incorporates the device which is the subject of the French patent application FR9408319 already mentioned, the rod 7 attacks a thrust plate 8, itself connected to the plate 4 by a set of thrust members, 9, 9 ', 9 ", 9"' such as springs or piloted cylinders. These organs are distributed over an area whose shape corresponds to that of the side face 2. They have the function of authorizing a slight retreat of a portion of the lateral face 2 when a parasitic solidification is interposed between it and one of the cylinders 1, 1 ', without however the contact conditions between the rest of the face side 2 and the cylinders are affected. We will refer to the text of the request French above for more details.

Selon l'invention, dans l'exemple représenté sur les figures 1 et 2, la platine 4 supportant la face latérale 2 porte quatre patins 10, 10', 10", 10"'. Ces patins 10, 10', 10", 10"' sont chacun équipés d'un dispositif 11, 11' qui peut les déplacer à la commande, de manière progressive ou saccadée, pour leur donner la possibilité soit de venir se mettre en appui sur une partie quelconque du chant 3 de l'un des cylindres 1, 1', soit de s'éloigner de ce cylindre. Sur la figure 2, on a représenté en trait mixte la trace des périphéries des cylindres 1, 1', afin de situer les emplacements des patins 10, 10', 10", 10"' par rapport aux cylindres 1, 1' et à la face latérale 2. Les patins 10, 10" sont implantés dans la partie supérieure de la platine 4 et peuvent prendre appui sur les bords des chants 3 des cylindres 1, 1' juste au-dessus de la face latérale 2. Les patins 10', 10"' sont implantés dans la partie inférieure de la platine 4 et prennent appui sur les cylindres 1, 1' à côté de la face latérale 2 et à proximité du col 12, c'est à dire de la zone où l'écart entre les cylindres 1, 1' est le plus faible. Il est bien entendu que les emplacements des patins 10, 10', 10", 10"' tels qu'ils sont décrits et représentés ne constituent que des exemples de mise en oeuvre de l'invention. D'autres emplacements seraient envisageables, et leur choix dépend notamment de la configuration de la platine 4. Les dispositifs de déplacement des patins 10, 10', 10", 10"' peuvent être constitués par tous actionneurs électriques ou hydrauliques, par exemple des vérins, des vis, des dispositifs à crémaillère, etc... Ces patins 10, 10', 10", 10"' peuvent, comme représenté, avoir une surface de contact plane avec les chants 3 des cylindres 1, 1'. Dans ce cas, ils comportent également de préférence des moyens non représentés assurant la lubrification de cette surface de contact, par exemple par injection d'huile ou d'une poudre d'un lubrifiant solide tel que du nitrure de bore. On limite ainsi l'usure par frottement aussi bien des cylindres 1, 1' que des patins 10, 10', 10", 10"'. En variante, ces patins 10, 10', 10", 10"' peuvent être constitués par un galet ou une roulette, auquel cas il n'est plus utile de prévoir un dispositif de lubrification. Outre leur moindre sensibilité aux phénomènes d'usure par frottement, ces variantes présent l'avantage, par rapport aux patins présentant une surface de contact plane avec le cylindre 1, 1', d'être moins sensibles aux salissures qui peuvent être présentes sur les chants 3 des cylindres 1, 1', grâce à leur surface de contact réduite.According to the invention, in the example shown in Figures 1 and 2, the plate 4 supporting the side face 2 carries four pads 10, 10 ', 10 ", 10"'. These pads 10, 10 ', 10 ", 10"' are each equipped with a device 11, 11 'which can move them on command, gradually or jerky, to give them the possibility of either coming to bear. on any part of the edge 3 of one of the cylinders 1, 1 ', or to move away from this cylinder. In Figure 2, there is shown in phantom the trace of the peripheries of the cylinders 1, 1 ', in order to locate the locations of the pads 10, 10', 10 ", 10"'relative to the cylinders 1, 1' and the side face 2. The pads 10, 10 "are located in the upper part of the plate 4 and can bear on the edges of the edges 3 of the cylinders 1, 1 'just above the side face 2. The pads 10 ', 10 "' are located in the lower part of the plate 4 and bear on the cylinders 1, 1 'next to the side face 2 and near the neck 12, that is to say of the area where the gap between the cylinders 1, 1 ′ is the smallest. It is understood that the locations of the pads 10, 10 ', 10 " , 10"' as they are described and shown are only examples of implementation of the invention. Other locations could be envisaged, and their choice depends in particular on the configuration of the plate 4. The devices for moving the pads 10, 10 ', 10 ", 10"' can be constituted by any electric or hydraulic actuators, for example cylinders, screws, rack and pinion devices, etc. These pads 10, 10 ', 10 ", 10"' can, as shown, have a planar contact surface with the edges 3 of the cylinders 1, 1 '. In this case, they also preferably comprise means not shown ensuring the lubrication of this contact surface, for example by injecting oil or a powder of a solid lubricant such as boron nitride. This limits wear by friction of both the cylinders 1, 1 'and the pads 10, 10', 10 ", 10"'. As a variant, these pads 10, 10 ', 10 ", 10"' can be constituted by a roller or a roller, in which case it is no longer useful to provide a lubrication device. In addition to their lower sensitivity to the phenomena of wear by friction, these variants have the advantage, compared to the pads having a planar contact surface with the cylinder 1, 1 ', of being less sensitive to the dirt which may be present on the edges 3 of cylinders 1, 1 ', thanks to their reduced contact surface.

La fonction de ces patins 10, 10', 10", 10"' est, comme on l'a dit plus haut, de limiter la vitesse d'usure de la face latérale 2 en assumant, en régime normal, l'essentiel de l'effort de frottement entre les cylindres 1, 1' et la face latérale 2. Ainsi, l'usure par frottement de la face latérale 2 devient pratiquement nulle en l'absence d'incidents tels que l'apparition de solidifications parasites qui viendraient accélérer cette usure.The function of these pads 10, 10 ', 10 ", 10"' is, as mentioned above, to limit the rate of wear of the side face 2 by assuming, under normal conditions, the essential of the friction force between the cylinders 1, 1 ′ and the lateral face 2. Thus, wear by friction of the lateral face 2 becomes practically zero in the absence of incidents such that the appearance of parasitic solidifications which would accelerate this wear.

En variante, on peut également n'équiper chaque platine 4 que de deux patins, frottant chacun sur un cylindre 1, 1' différent, et disposés de préférence au voisinage de la partie supérieure de la face latérale 4, par exemple à l'emplacement des patins 10, 10" de la figure 2.As a variant, it is also possible to equip each plate 4 only with two pads, rubbing each on a different cylinder 1, 1 ′, and preferably arranged in the vicinity of the upper part of the lateral face 4, for example at the location of the pads 10, 10 "in Figure 2.

La présence d'au moins deux patins 10, 10', 10", 10"' par cylindre 1, 1' conjuguée à celle de la plaque de poussée 8 et des organes de poussée 9, 9', 9", 9"', permet d'optimiser la vitesse d'usure de la face latérale 2 sur ses différentes zones, en tenant compte des évènements particuliers qui ont pu contribuer à une usure plus prononcée au voisinage de l'un des cylindres 1, 1' que de l'autre. On continue ainsi à tirer parti des possibilités de légère déformation de la face latérale 2 et de la platine 4 liées à l'utilisation du système plaque de poussée 8-organes de poussée 9, 9', 9", 9"'. Mais, comme on l'a dit, l'invention est aussi applicable au cas où le vérin 6 attaque directement la platine 4.The presence of at least two pads 10, 10 ', 10 ", 10"' per cylinder 1, 1 ' combined with that of the thrust plate 8 and the thrust members 9, 9 ', 9 ", 9"', optimizes the wear speed of the side face 2 on its different zones, in taking into account particular events that may have contributed to more wear pronounced in the vicinity of one of the cylinders 1, 1 'than the other. We continue to take advantage of the possibilities of slight deformation of the side face 2 and of the plate 4 linked to the use of the push plate system 8-push members 9, 9 ', 9 ", 9"'. But, as we said, the invention is also applicable to the case where the jack 6 attacks directly the plate 4.

On peut, en conséquence, proposer une procédure de coulée qui serait la suivante. Avant le démarrage de la coulée, on place les parties avant des patins 10, 10', 10", 10"' à quelques 1/10 de mm en retrait de la face avant de la face latérale 2 mise au contact des cylindres 1, 1'. Puis on fait tourner les cylindres 1, 1' en faisant avancer la face latérale 2 dans leur direction au moyen du vérin 6, de manière à provoquer une usure de la face latérale 2 qui la conforme à la configuration précise des chants 3 des cylindres 1, 1'. Cette usure se poursuit jusqu'à ce que les parties avant des patins 10, 10', 10", 10"' viennent au contact des cylindres 1, 1'. A ce moment, l'avancement de la face latérale 2 n'est plus possible et son usure s'arrête. On démarre alors la coulée après avoir éventuellement réduit la force d'appui de la face latérale sur les cylindres 1, 1'. Pendant la coulée, soit on laisse fixes les patins 10, 10', 10", 10"' si on ne souhaite subir aucune usure de la face latérale 2, soit on les fait reculer de manière continue ou saccadée à une vitesse moyenne contrôlée, par exemple de l'ordre de 2 à 10 mm/heure. Ce recul progressif permet de renouveler la surface de contact entre la face latérale 2 et les cylindres 1, 1', tout en maintenant l'usure de la face latérale 2 à une valeur modérée, par exemple voisine de celle de la partie centrale de la face latérale 2 qui est en contact avec le métal liquide et qui, de ce fait, subit une érosion essentiellement chimique. Grâce à l'invention, on maítrise une usure modérée de la face latérale 2 avec une précision bien meilleure qu'on ne pourrait le faire en utilisant seulement le vérin 6.We can therefore propose a casting procedure which would be the next. Before starting the casting, the front parts of the pads 10, 10 'are placed, 10 ", 10" 'a few 1/10 mm back from the front face of the side face 2 set contact of cylinders 1, 1 '. Then the cylinders 1, 1 ′ are rotated by advancing the lateral face 2 in their direction by means of the jack 6, so as to cause a wear of the side face 2 which conforms to the precise configuration of the edges 3 of the cylinders 1, 1 '. This wear continues until the front parts of the pads 10, 10 ', 10 ", 10"' come into contact with the cylinders 1, 1 '. At this time, the advancement of the side face 2 is no longer possible and its wear stops. We then start casting after possibly having reduced the bearing force of the lateral face on the cylinders 1, 1 '. During casting, either the pads 10, 10 ', 10 ", 10"' are left fixed if you do not wish to undergo no wear on the side face 2, either they are rolled back continuously or jerky at a controlled average speed, for example of the order of 2 to 10 mm / hour. This progressive recoil makes it possible to renew the contact surface between the lateral face 2 and the cylinders 1, 1 ′, while maintaining the wear of the lateral face 2 at a moderate value, for example close to that of the central part of the lateral face 2 which is in contact with the liquid metal and which, therefore, undergoes essentially chemical erosion. Thanks to the invention, moderate wear of the side face 2 is controlled with a much better precision than could be achieved using only cylinder 6.

Si malgré tout, en cours de coulée, on constatait des défauts d'étanchéité entre les cylindres 1, 1' et la face latérale 2, on aurait la possibilité de reculer immédiatement les patins 10, 10', 10", 10"' de quelques 1/10 de mm et d'augmenter temporairement la vitesse d'avancement et la force d'appui de la face latérale 2, afin d'assurer un renouvellement rapide de leurs surfaces de contact.If despite everything, during casting, there were leaks between cylinders 1, 1 'and the side face 2, we would have the possibility of reversing immediately the pads 10, 10 ', 10 ", 10"' by a few 1/10 mm and temporarily increase the forward speed and the pressing force of the side face 2, in order to ensure a rapid renewal of their contact surfaces.

On peut également remarquer que les systèmes de lubrification des patins 10, 10" contribuent à la lubrification des interfaces entre les cylindres 1, 1' et la face latérale 2, car les bords des cylindres 1, 1' contre lesquels ils sont en appui vont, immédiatement après, venir au contact de la face latérale 2. Cela est favorable à une réduction de l'usure de la face latérale 2.It can also be noted that the lubrication systems of the pads 10, 10 "contribute to the lubrication of the interfaces between the cylinders 1, 1 'and the face lateral 2, because the edges of the cylinders 1, 1 ′ against which they are supported go, immediately after, come into contact with the side face 2. This is favorable for a reduced wear on the side face 2.

Une autre variante de l'invention consiste à utiliser des patins 10, 10', 10", 10"' (ou au moins certains d'entre eux) en un matériau autolubrifiant, tel que du nitrure de bore. L'application d'un lubrifiant extérieur sur leur surface qui est au contact du cylindre 1, 1' n'est alors plus utile. Pour compenser l'usure des patins 10, 10', 10", 10"' ainsi réalisés, leurs dispositifs de déplacement 11, 11' sont prévus pour pouvoir leur imposer un mouvement progressif en direction du cylindre 1, 1'. Ce mouvement doit cesser dès que les capteurs d'efforts liés habituellement aux organes de poussée 9, 9', 9", 9"' les plus proches détectent un relâchement des efforts de réaction exercés par le cylindre 1, 1' sur la face latérale 2 et sa platine 4, car un tel relâchement est le signe que la face avant du patin 10, 10', 10", 10"' en cause n'est plus alignée avec la face avant de la face latérale 2.Another variant of the invention consists in using pads 10, 10 ', 10 ", 10"' (or at least some of them) in a self-lubricating material, such as nitride of boron. The application of an external lubricant on their surface which is in contact with the cylinder 1, 1 'is then no longer useful. To compensate for wear on pads 10, 10 ', 10 ", 10"' thus produced, their displacement devices 11, 11 ′ are provided to be able to impose a progressive movement towards the cylinder 1, 1 '. This movement must stop as soon as the force sensors usually linked to the thrust members 9, 9 ′, 9 ", 9" 'nearest detect a relaxation of the reaction forces exerted by the cylinder 1, 1 ′ on the side face 2 and its plate 4, because such a relaxation is the sign that the front face of the pad 10, 10 ', 10 ", 10"' in question is no longer aligned with the front face of the side face 2.

L'invention est, par ailleurs, parfaitement compatible avec l'utilisation de faces latérales 2 auxquelles, comme il est connu, on imprimerait un mouvement d'oscillation dans le plan des faces planes des cylindres 1, 1'.The invention is, moreover, perfectly compatible with the use of faces side 2 which, as it is known, would give an oscillating movement in the plane of the flat faces of the cylinders 1, 1 '.

Claims (9)

  1. Device for supporting a side wall (2) of a plant for the continuous twin-roll casting of thin metal products, of the type including two cooled rolls (1, 1') having horizontal axes, two side walls (2) applied against the ends (3) of the rolls (1, 1'), the said support device including a carriage (5) which can be controllably moved in a direction parallel to the axes of the rolls (1,1'), a thrust device (6) carried by the said carriage (5), and a support plate (4) connected to the said thrust device (6) and solidly fastened to the side wall (2), characterized in that the said mounting plate (4) includes at least two pads (10, 10', 10", 10"') which can be controllably moved in a direction parallel to the axes of the rolls (1, 1') by devices (11, 11') which are able to apply each of the said pads (10, 10', 10", 10"') against an end (3) of one of the rolls (1, 1') without making it extend beyond the said side wall (2).
  2. Device according to Claim 1, characterized in that the mounting plate (4) is connected to the thrust device (6) via a thrust plate (8) and via thrust members (9, 9', 9", 9"') distributed over an area of shape corresponding to that of the side wall (2).
  3. Device according to Claim 1 or 2, characterized in that the said devices (11, 11') consist of thrust cylinders.
  4. Device according to Claim 1 or 2, characterized in that the said devices (11, 11') consist of screw devices.
  5. Device according to Claim 1 or 2, characterized in that the said devices (11, 11') consist of rack-type devices.
  6. Device according to one of Claims 1 to 5, characterized in that the said pads (10, 10', 10", 10"') include means for lubricating their face intended for coming into contact with the said roll.
  7. Device according to one of Claims 1 to 5, characterized in that at least some of the pads (10, 10', 10", 10"') are made of a self-lubricating material.
  8. Device according to one of Claims 1 to 5, characterized in that the said pads (10, 10', 10", 10"') consist of rollers.
  9. Device according to one of Claims 1 to 5, characterized in that the said pads (10, 10', 10", 10"') consist of small wheels.
EP95402329A 1994-11-30 1995-10-19 Means for supporting a side wall for a continuous casting plant for casting strips between rolls Expired - Lifetime EP0714715B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9414348A FR2727337B1 (en) 1994-11-30 1994-11-30 SUPPORT DEVICE FOR A SIDE FACE OF A CONTINUOUS CASTING PLANT OF METAL BANDS BETWEEN CYLINDERS
FR9414348 1994-11-30

Publications (2)

Publication Number Publication Date
EP0714715A1 EP0714715A1 (en) 1996-06-05
EP0714715B1 true EP0714715B1 (en) 2000-07-12

Family

ID=9469305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95402329A Expired - Lifetime EP0714715B1 (en) 1994-11-30 1995-10-19 Means for supporting a side wall for a continuous casting plant for casting strips between rolls

Country Status (26)

Country Link
US (1) US5628359A (en)
EP (1) EP0714715B1 (en)
JP (1) JP3367809B2 (en)
KR (1) KR100375591B1 (en)
CN (1) CN1064285C (en)
AT (1) ATE194526T1 (en)
AU (1) AU675756B2 (en)
BR (1) BR9505565A (en)
CA (1) CA2164046C (en)
CZ (1) CZ284573B6 (en)
DE (1) DE69517924T2 (en)
DK (1) DK0714715T3 (en)
ES (1) ES2149938T3 (en)
FI (1) FI109979B (en)
FR (1) FR2727337B1 (en)
GR (1) GR3034475T3 (en)
MX (1) MX9504925A (en)
PL (1) PL178430B1 (en)
PT (1) PT714715E (en)
RO (1) RO115337B1 (en)
RU (1) RU2145268C1 (en)
SK (1) SK281883B6 (en)
TR (1) TR199501512A2 (en)
TW (1) TW309459B (en)
UA (1) UA41363C2 (en)
ZA (1) ZA959737B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5588479A (en) * 1995-01-12 1996-12-31 Ishikawajima-Harima Heavy Industries Company Limited Strip casting
KR100333070B1 (en) * 1997-12-20 2002-10-18 주식회사 포스코 Method for controlling position of edge dams in twin roll type strip caster
AU725198B2 (en) * 1997-12-20 2000-10-05 Pohang Iron & Steel Co., Ltd. Apparatus for lubricating edge dam in twin-roll type strip casting machine, and method therefor
AUPP406798A0 (en) * 1998-06-12 1998-07-02 Bhp Steel (Jla) Pty Limited Strip casting apparatus
FR2786716B1 (en) * 1998-12-03 2001-01-05 Usinor DEVICE FOR APPLYING A SIDE SIDE FOR THE CONTINUOUS CASTING INSTALLATION OF METAL STRIPS BETWEEN TWO CYLINDERS AGAINST THE PLANAR FACES OF THE CYLINDERS
CH691574A5 (en) † 1999-09-24 2001-08-31 Main Man Inspiration Ag The strip casting machine for producing a metal strip.
ATE318665T1 (en) * 2001-08-29 2006-03-15 Danieli Off Mecc SIDE DAM ARRANGEMENT FOR LIQUID STEEL BETWEEN COOLING ROLLERS IN A CASTING MACHINE
AT412195B (en) * 2002-06-25 2004-11-25 Voest Alpine Ind Anlagen METHOD FOR PRODUCING A METAL STRIP WITH A TWO-ROLLING CASTING DEVICE
DE10341249B4 (en) * 2003-09-08 2005-06-30 Thyssenkrupp Nirosta Gmbh Side plate for sealing a casting gap formed between the casting rolls of a two-roll caster, two-roll caster and method of operation
DE10341250B3 (en) * 2003-09-08 2005-05-25 Thyssenkrupp Nirosta Gmbh Method for operating a two-roll caster
DE10341251B4 (en) * 2003-09-08 2005-06-30 Thyssenkrupp Nirosta Gmbh Method for operating a two-roll caster
DE10341252B3 (en) * 2003-09-08 2005-01-13 Thyssenkrupp Nirosta Gmbh Method for operating a twin roller casting machine comprises measuring longitudinal and transverse forces on side plates at several positions, calculating actual longitudinal force on them and adjusting them
DE102004046249B4 (en) * 2004-09-23 2006-07-27 Thyssenkrupp Nirosta Gmbh Process to operate a twin roller metal strip casting assembly subject to varying crust-derived pressure variations
DE102007041263A1 (en) * 2007-08-30 2009-03-05 Thyssenkrupp Nirosta Gmbh Apparatus and method for casting strips of a molten metal, in particular a molten steel
US7888158B1 (en) * 2009-07-21 2011-02-15 Sears Jr James B System and method for making a photovoltaic unit
JP5837758B2 (en) 2011-04-27 2015-12-24 キャストリップ・リミテッド・ライアビリティ・カンパニー Twin roll casting apparatus and control method thereof
KR101315352B1 (en) * 2011-08-01 2013-10-08 주식회사 포스코 Apparatus for controlling mold width
US10046384B2 (en) 2015-09-30 2018-08-14 Nucor Corporation Side dam with pocket
CN110039017B (en) * 2019-05-21 2020-10-23 一重集团大连工程技术有限公司 Cast-rolling side sealing device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01273655A (en) * 1988-04-26 1989-11-01 Kawasaki Steel Corp Method for continuously casting strip and continuous casting machine
FR2647376B1 (en) * 1989-05-29 1991-09-13 Siderurgie Fse Inst Rech DEVICE FOR CONTINUOUS CASTING OF LIQUID METAL BETWEEN TWO CYLINDERS
JPH0741376B2 (en) * 1990-06-11 1995-05-10 新日本製鐵株式会社 Thin strip continuous casting method
FR2695580B1 (en) * 1992-09-14 1994-10-21 Usinor Sacilor Continuous casting device between cylinders of thin metallic products.
FR2703935B1 (en) * 1993-04-14 1995-07-21 Usinor Sacilor DEVICE FOR QUICK CHANGING AND HOLDING A SIDE WALL OF A CONTINUOUS CASTING MACHINE OF A METAL PRODUCT BETWEEN CYLINDERS.
JPH081250A (en) * 1994-06-14 1996-01-09 Hitachi Cable Ltd Punching die

Also Published As

Publication number Publication date
ATE194526T1 (en) 2000-07-15
CZ315895A3 (en) 1996-06-12
CA2164046A1 (en) 1996-05-31
FR2727337B1 (en) 1996-12-27
ES2149938T3 (en) 2000-11-16
FR2727337A1 (en) 1996-05-31
CN1064285C (en) 2001-04-11
US5628359A (en) 1997-05-13
RO115337B1 (en) 2000-01-28
AU675756B2 (en) 1997-02-13
FI955766A0 (en) 1995-11-30
KR100375591B1 (en) 2003-05-09
FI109979B (en) 2002-11-15
JPH08206792A (en) 1996-08-13
DE69517924D1 (en) 2000-08-17
SK145995A3 (en) 1998-02-04
PL311265A1 (en) 1996-06-10
PT714715E (en) 2000-12-29
RU2145268C1 (en) 2000-02-10
CA2164046C (en) 2004-03-23
CN1130111A (en) 1996-09-04
GR3034475T3 (en) 2000-12-29
AU3773895A (en) 1996-06-20
TW309459B (en) 1997-07-01
DK0714715T3 (en) 2000-11-06
KR960017006A (en) 1996-06-17
ZA959737B (en) 1996-05-29
TR199501512A2 (en) 1996-11-21
MX9504925A (en) 1997-01-31
SK281883B6 (en) 2001-08-06
FI955766A (en) 1996-05-31
PL178430B1 (en) 2000-04-28
UA41363C2 (en) 2001-09-17
EP0714715A1 (en) 1996-06-05
CZ284573B6 (en) 1999-01-13
DE69517924T2 (en) 2001-02-22
BR9505565A (en) 1997-11-04
JP3367809B2 (en) 2003-01-20

Similar Documents

Publication Publication Date Title
EP0714715B1 (en) Means for supporting a side wall for a continuous casting plant for casting strips between rolls
EP0698433B1 (en) Twin roll casting machine with applied side walls
EP0759335B1 (en) Supporting device for the side walls of a continuous roll caster installation for the production of metallic strips
FR2481398A1 (en) PRECISION CHAIN TRANSMISSION
EP0649686B2 (en) Rolling mill with axially shifting rolls
EP0707902B1 (en) Rolling installation
EP1552892B1 (en) Machine for straightening metal bands
EP0117815A1 (en) Braking-system with at least one sliding brake-disc and brake-disk for such a braking-system
WO2000050132A1 (en) In-line skate with braking device
CA2193243C (en) Side wall for a continuous sheet metal casting machine
EP3024602B1 (en) Rolling mill provided with at least one cooling nozzle
FR2531922A1 (en) CABIN TILT DEVICE
FR2695580A1 (en) Continuous casting device between cylinders of thin metallic products.
EP0901851B1 (en) Side wall for confining the casting space in a continuous roll caster installation for the production of metallic strips and casting installation equipped therewith
EP0738546B1 (en) Rolling mill with large opening
WO2019170994A1 (en) Rolling method with a step for adjusting the interspace between the side bearing roller and the support roller
EP0560662A1 (en) Method and installation for rolling a metal plate
EP1034893A1 (en) Clamping device
EP0334724B1 (en) Wedge actuator for a drum brake, and drum brake provided with such an actuator
EP1100995B1 (en) Device for supporting a moving load
EP0255428A2 (en) Wedge actuator for drum brake and drum brake provided with it
FR2880290A1 (en) Rolling mill incorporating a system for the adjustment of roll tightening and cambering, notably for a Sendzimir type mill for cold rolling metal strip
BE511080A (en)
FR2572962A1 (en) DEVICE FOR DRIVING ROTATION OF WORKING ROLLS OF A PLANETARY ROLLING SYSTEM
BE411049A (en)

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

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE

17P Request for examination filed

Effective date: 19960620

17Q First examination report despatched

Effective date: 19980316

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: THYSSEN STAHL AKTIENGESELLSCHAFT

Owner name: USINOR

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE

REF Corresponds to:

Ref document number: 194526

Country of ref document: AT

Date of ref document: 20000715

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: FRENCH

REF Corresponds to:

Ref document number: 69517924

Country of ref document: DE

Date of ref document: 20000817

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

Effective date: 20000914

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2149938

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: PT

Ref legal event code: SC4A

Free format text: AVAILABILITY OF NATIONAL TRANSLATION

Effective date: 20000919

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

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

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

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

Ref country code: AT

Payment date: 20101014

Year of fee payment: 16

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

Ref country code: DE

Payment date: 20101013

Year of fee payment: 16

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

Ref country code: IT

Payment date: 20101023

Year of fee payment: 16

Ref country code: GB

Payment date: 20101013

Year of fee payment: 16

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

Ref country code: GR

Payment date: 20110914

Year of fee payment: 17

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

Ref country code: ES

Payment date: 20111115

Year of fee payment: 17

Ref country code: NL

Payment date: 20111021

Year of fee payment: 17

Ref country code: IE

Payment date: 20111011

Year of fee payment: 17

Ref country code: DK

Payment date: 20111011

Year of fee payment: 17

Ref country code: FR

Payment date: 20111103

Year of fee payment: 17

Ref country code: LU

Payment date: 20111013

Year of fee payment: 17

Ref country code: PT

Payment date: 20111018

Year of fee payment: 17

Ref country code: SE

Payment date: 20111011

Year of fee payment: 17

Ref country code: BE

Payment date: 20111012

Year of fee payment: 17

Ref country code: CH

Payment date: 20111012

Year of fee payment: 17

REG Reference to a national code

Ref country code: PT

Ref legal event code: MM4A

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

Effective date: 20130419

BERE Be: lapsed

Owner name: *THYSSEN STAHL A.G.

Effective date: 20121031

Owner name: *USINOR

Effective date: 20121031

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20130501

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 194526

Country of ref document: AT

Kind code of ref document: T

Effective date: 20121019

REG Reference to a national code

Ref country code: GR

Ref legal event code: ML

Ref document number: 20000402164

Country of ref document: GR

Effective date: 20130508

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20121019

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20130628

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

Ref country code: CH

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

Effective date: 20121031

Ref country code: BE

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

Effective date: 20121031

Ref country code: IE

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

Effective date: 20121019

Ref country code: AT

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

Effective date: 20121019

Ref country code: SE

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

Effective date: 20121020

Ref country code: DE

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

Effective date: 20130501

Ref country code: GB

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

Effective date: 20121019

Ref country code: LI

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

Effective date: 20121031

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 69517924

Country of ref document: DE

Effective date: 20130501

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

Ref country code: NL

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

Effective date: 20130501

Ref country code: PT

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

Effective date: 20130419

Ref country code: IT

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

Effective date: 20121019

Ref country code: FR

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

Effective date: 20121031

Ref country code: GR

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

Effective date: 20130508

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

Ref country code: DK

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

Effective date: 20121031

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20140115

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 NON-PAYMENT OF DUE FEES

Effective date: 20121020

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

Ref country code: LU

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

Effective date: 20121019