EP1318876B1 - Procede et installation pour produire des feuillards et des toles en acier - Google Patents

Procede et installation pour produire des feuillards et des toles en acier Download PDF

Info

Publication number
EP1318876B1
EP1318876B1 EP01965207A EP01965207A EP1318876B1 EP 1318876 B1 EP1318876 B1 EP 1318876B1 EP 01965207 A EP01965207 A EP 01965207A EP 01965207 A EP01965207 A EP 01965207A EP 1318876 B1 EP1318876 B1 EP 1318876B1
Authority
EP
European Patent Office
Prior art keywords
cast
rolling
products
cast products
steel
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
EP01965207A
Other languages
German (de)
English (en)
Other versions
EP1318876A1 (fr
Inventor
Jürgen Seidel
Günter KNEPPE
Joachim Hafer
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
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1318876A1 publication Critical patent/EP1318876A1/fr
Application granted granted Critical
Publication of EP1318876B1 publication Critical patent/EP1318876B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/466—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B28/00—Maintaining rolls or rolling equipment in effective condition
    • B21B28/02—Maintaining rolls in effective condition, e.g. reconditioning
    • B21B28/04—Maintaining rolls in effective condition, e.g. reconditioning while in use, e.g. polishing or grinding while the rolls are in their stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004—Heating the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0245—Lubricating devices
    • B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
    • B21B45/0251—Lubricating devices using liquid lubricants, e.g. for sections, for tubes for strips, sheets, or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B21B45/08—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y10T29/49989—Followed by cutting or removing material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y10T29/49991—Combined with rolling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5184—Casting and working

Definitions

  • the invention relates to a method for producing strips and sheets made of steel according to the preamble of claim 1.
  • the invention also relates to a system to carry out the procedure.
  • JP-A-57-146403 relates to a hot rolling line for cast products, on the one hand from a conventional continuous caster and secondly from a belt caster come.
  • the conventional system is characterized by a roughing stand, that precedes a finishing train.
  • this JP-A-146404 introducing the cast products into a ferry a common rolling mill, with the ferry depending on the casting and Rolling plan works
  • JP-A-57-149007 discloses steels of relatively low quality by means of strip casting and in a rolling mill together with Higher quality steels made using a conventional continuous caster have been rolled.
  • JP-A-57-149008 suggests before that both the products from the conventional continuous caster as well as being fed from the strip caster to a common furnace, in order to then be fed to a rolling mill, the roughing stands and finishing stands includes.
  • the present invention is based on the object To further develop methods and a plant that the production of stainless steel strips and sheets is more economical becomes.
  • this object is achieved in that, together with the first cast products produced in a first process route at least in a second process route produced second cast products made of stainless steel, when the first cast products are cast from carbon steel, or from Carbon steel when the first cast products are cast from stainless steel, rolled within a common rolling program.
  • Essence of the invention is, therefore, products of both types of steel in one plant to integrate in a common rolling mill and within one joint rolling program.
  • rolling program is generally the predetermined order of slabs to be rolled in the Understand the period between two roll changes.
  • an optimal utilization of a plant is achieved, which at sole production of stainless steel sheets compared to carbon steels would be produced in small quantities, would not be used. moreover becomes a greater variability of a plant on which carbon steels are produced are increased by additional rolling of stainless steels.
  • the invention is not based on a rolling program for cast products from the two types of steel limited; It is also conceivable to add other types of steel to roll in a wagering program, but always carbon steels and Stainless steels are rolled together. By the suggestion of rolling in A common rolling program will process two very different types Steel grades regardless of the throughput of a line of plants or possible from the steel production quantity.
  • stainless steel is basically defined in EN 10 020. It will be here distinguish between unalloyed and alloyed stainless steels. It is about in the case of the stainless steels according to the invention, for example, roller bearing steels, Tool steels, heat-resistant steels and high-grade structural steels. In particular, are below to define this term higher-alloy steels with alloy elements and - quantities that stabilize the austenite structure at lower temperatures, including the high-alloy austenitic CrNi steels.
  • the rolling mill is turned on the material to be processed is adjusted during the rolling program. This means that the rolling mill is already ready for the next one material to be machined from the rolling program is prepared while the previous one is still being edited.
  • the negative Effects of the stainless steel rolling on the surfaces of the work rolls which mostly affect rough surfaces and which affect the following Rolling carbon steels have a disruptive effect during operation or already be fixed online.
  • the rolling mill is prepared for the respective one Follow-up strip also in the rolling break between the rolling process of two Bands.
  • the one with the thin slabs of the first process route in one Rolled second cast products are also available thin slab
  • the thin slabs in a second, parallel, process route to the first Process route to be poured and cut are preferred via a second equalization furnace, if applicable, and a ferry into one common equalization furnace and then led into the rolling mill.
  • This invention is not based on the described possibility of inclusion of thin slabs
  • the integration of any cast product is conceivable, for example produced by strip casting, with precursors produced in this way but already have small initial thicknesses.
  • the device proposes a generic system with a Integration unit for introducing at least second cast products Stainless steel when the first cast products from the first carbon steel process line are cast, or for inserting at least second cast products made of carbon steel when the cast products from the first process line are cast from stainless steel, to equip and with a rolling mill for a combined rolling program for cast products made of carbon steel and Stainless steel and preferably with means for preparing the rolling mill for the subsequent rolled product of the other steel grade.
  • the rolling mill is a grinding and / or polishing device for the work rolls at least one roll stand provided during the rolling of stainless steel products and / or during the break of rolling a rough roller surface counteract. These are on the inlet side, for example in the form of grinding devices that press against a work roll, preferably arranged on all rolling stands of the rolling mill.
  • the WalzStree a flushing device that, in particular or to a greater extent during the rolling of the carbon steel products and / or in the subsequent Rolling break works and the rolling mill from the loose tinder frees the carbon steels.
  • claims 8 to 10 are other facilities proposed that provided alone or additionally in the rolling mill are, despite the rolling of two types of steel with different Rolling properties and negative effects on the rolling mill and thus good surface qualities on the surface properties of the following products to obtain.
  • the use of is special wear-resistant rollers are provided.
  • rollers are proposed which were produced by powder metallurgy using the HIP process as well as rollers made of high-speed steel.
  • the first casting machine 4 has a distributor 5 and one funnel-shaped thin slab casting mold (shown here schematically larger) for pouring thin slabs 40-100 mm thick.
  • the casting machine 4 itself is fed with stainless steel melt from pans 7 in this example, the steel melt, for example, by means of a blast furnace converter route (designated 8) or with an electric steel furnace with downstream Secondary metallurgy has been manufactured and used for casting machines is transported in the pans 7 (the transport step is designated 9).
  • the cast product in the form of the cast strand is removed from the vertical via rollers 10a, b bent into the horizontal and in this embodiment by means of a first cross-section shear 11 separated Then the individual run Thin slabs in a first leveling furnace 12, for example a roller hearth furnace or walking beam furnace to achieve a uniform thin slab temperature on. Then the thin slabs after going through one Descaling device 13 in the rolling mill to achieve the desired End dimensions promoted.
  • the finishing line 14 of the rolling mill consists of here six roll stands (15a for example), each with two working (16a, b) and backup rolls (17a, b).
  • An outlet roller table 18 with cooling devices closes 19 and a reel 20 for winding the tape onto the coil.
  • the plant according to FIG. 1 shows a second cast product as casting strand 2 Carbon steel in a second, parallel process route II.
  • This process route consists exclusively of the equalization furnace 21 from the same units as the process route I described above, which are therefore not discussed in detail becomes.
  • the first process route comprises an integration unit for the thin slabs from the second process route II a ferry 22 which transversely into one the other side slidable portion 22a of the first leveling furnace 12 is insertable.
  • a common rolling program is used in rolling mill 3 driven, an example of such a rolling program shown in FIG. 2 becomes.
  • the respective steel grade is plotted on the number of strips.
  • the rolling program starts after the change the work rolls with rolling a stainless steel cast product, followed by a cast product made of carbon steel etc.
  • the sixth to eighth slab are then made of carbon steel, the 12th to 16th as a group made of stainless steel.
  • figure 2 only serves as an example of a possible joint rolling program.
  • the stainless steel rolling results in rougher roller surfaces that interfering with the immediately following rolling of carbon steel would, such as by rolling in scale and rougher Strip surfaces. That is why the rolling mill has grinding and / or polishing machines on which are arranged on each of the roll stands.
  • At 23 is an example identified such a device that on the upper and lower Work roller works.
  • an edge heater 24 is provided is arranged in front of the descaling device 13. It is for example an induction heater or gas-fired heater.
  • tape quality can of course also be used and regulated control of profile actuators for shifting work rolls and improve roll bend adjustment.
  • the order of entry of a first thin slab, a group of first thin slabs, i.e. from the first process route I, one second cast product or a group of second cast products in the Rolling mill and the duration of the common rolling program, i.e. the Time between changing the work rolls, computer-based Determine the basis of a process model. On basis. of this process model also the use and the period of the grinding and polishing equipment or the flushing devices for removing the scale of the carbon steels as well as other devices that improve the belt surface should be controlled. Such a control unit is designated schematically at 28.
  • this rolling program according to a "mixed rolling" the permissible jumps in the width of the successive rolls Cast products are taken into account. Overall, is about such a process model an optimization of the rolling quality depending on the desired product quality possible.
  • FIG. 3 corresponds to the first process route I shown in FIG. 1.
  • the second integrated in the process route I Cast products (2) by means of a conventional casting machine 30 with thicknesses up to cast to 250 mm and after cooling and reheating if necessary a furnace 31 in a roughing stand 32 rolled down to a thickness, that they can be integrated into the common rolling mill of process route I. are.
  • the conventional process of continuous casting and roughing is only here shown schematically.
  • the individual slabs are cold or still warm condition to a slab furnace 21 near the first process route I transported, there heated to appropriate rolling temperatures or homogenized and introduced into the equalization furnace 12 by a ferry 22.
  • FIG 4 shows schematically a second embodiment of the system with which a joint rolling program is carried out.
  • the integration unit is a ferry 220, which both the cross-divided first and second cast products (100, 200), each of the two equalizing furnaces (120, 210) and thus process routes I and II come into a common rolling mill 300 promotes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Catalysts (AREA)
  • Heat Treatment Of Steel (AREA)

Claims (12)

  1. Procédé de fabrication de bandes et de tôles d'acier,
    dans lequel, en même temps que des premiers produits de fonderie (1), au moins des deuxièmes produits de fonderie (2) qui sont fabriqués dans un autre deuxième parcours du processus (II) sont laminés sur un train de laminoir (3) et le produit laminé est refroidi sur un transrouleur à rouleaux de sortie (18) et est enroulé sur un dispositif d'enroulement (20),
    caractérisé en ce que
    un premier parcours de traitement de processus (I) comprend la coulée d'une barre en format de brame mince dans un acier au carbone ou un acier inoxydable dans une machine de fonderie (4) et le guidage des produits de fonderie (1) à travers un four d'équilibrage (12) afin d'obtenir une température uniforme,
    que les deuxièmes produits de fonderie (2) sont également des brames minces,
    qu'en même temps que ces premiers produits de fonderie (1) au moins les deuxièmes produits de fonderie (2), en acier inoxydable si les premiers produits de fonderie sont coulés dans de l'acier au carbone ou en acier au carbone si les premiers produits de fonderie sont coulés en acier inoxydable, sont laminés au cours d'un programme de laminage commun, un programme de laminage étant la durée entre deux changements de rouleaux, et
    que le train de laminoir ainsi que la surface du produit à usiner ou laminé sont débarrassés de la calamine pendant et/ou après l'opération de laminage des produits en acier au carbone, et
    que la rugosité de surface des rouleaux s'installant diminue pendant et/ou après le programme de laminage des produits en acier inoxydable.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    au cours du programme de laminage commun, le premier produit de fonderie ou des groupes de premiers produits de fonderie et les deuxièmes produits de fonderie ou des groupes de deuxièmes produits de fonderie sont laminés en alternance.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    au cours du programme de laminage commun, les premiers produits de fonderie et les deuxièmes produits de fonderie ou un groupe de ceux-ci sont laminés en alternance approximativement régulière.
  4. Procédé selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce que
    les deuxièmes groupes de produits de fonderie sont fondus dans un deuxième parcours de processus parallèle (II) au premier parcours de processus (I) et ensuite découpés en brames minces et laminés dans l'ordre correspondant au programme de laminage commun dans le train de laminoir commun avec les premiers brames minces.
  5. Procédé selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce que
    l'ordre d'entrée d'un premier produit de fonderie, d'un groupe de premiers produits de fonderie, d'un deuxième produit de fonderie ou d'un groupe de deuxièmes produits de fonderie dans le laminoir ainsi que la durée du programme de laminage commun ainsi que la période de mise en oeuvre des moyens (23, 24, 25, 26, 27) adaptant l'opération de laminage au matériau respectif à usiner sont déterminés et réglés.
  6. Procédé selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que
    la durée du programme de laminage est définie pendant le fonctionnement en fonction de la qualité de surface de la bande, qui est déterminée au moyen d'un dispositif d'inspection de surface de bande (26).
  7. Installation pour la réalisation du procédé selon une quelconque des revendications 1 à 6, dans laquelle, en même temps que les premiers produits de fonderie (1), au moins de deuxièmes produits de fonderie (2) qui sont fabriqués dans un autre deuxième parcours de traitement (II) sont laminés sur un train de laminoir (3) comportant au moins une cage de laminoir (15a) pour atteindre la dimension finale souhaitée et le produit laminé est refroidi sur un transrouleur à rouleaux de sortie (18) et enroulé sur un dispositif d'enroulement (20),
    caractérisé en ce que
    une première ligne de processus (I) comprend une machine de fonderie (4) servant à couler une barre en format de brame mince dans un acier au carbone ou un acier inoxydable ainsi qu'un dispositif (12) de réchauffement et/ou d'équilibrage de la température des produits de fonderie, ainsi
    qu'au moins une unité d'intégration (22, 22a, 220) servant à introduire au moins de deuxièmes produits de fonderie (2) en acier inoxydable en brames minces si les premiers produits de fonderie (1) sont coulés en acier au carbone ou à introduire de deuxièmes produits de fonderie (1) en acier au carbone si les premiers produits de fonderie (1) sont coulés en acier inoxydable, dans une ligne de processus commune et
    par un train de laminoir (3, 300) avec un programme de laminage combiné pour les premiers produits de fonderie (1) et pour les deuxièmes produits de fonderie (2),
    un programme de laminage étant la durée entre deux changements de rouleaux,
    et que cette installation comprend des moyens (23, 24, 25, 26, 27) pour préparer le train de laminoir pour le produit de fonderie respectivement suivant de l'autre variété d'acier,
    les moyens de préparation du train de laminoir pour des produits en acier au carbone comprenant un dispositif de meulage et/ou de polissage (23) pour les rouleaux fonctionnels d'au moins une cage de laminoir (15a) et
    les moyens de préparation du train de laminoir pour des produits en acier inoxydable comprenant au moins un dispositif de lavage (27) pour enlever la calamine de la surface de la bande et des surfaces des rouleaux fonctionnels.
  8. Installation selon la revendication 7,
    caractérisée en ce que
    le dispositif de lavage présente des racloirs ainsi que des buses pour l'application de produits de lavage à haute pression qui sont mis en oeuvre en alternance.
  9. Installation selon la revendication 7 ou 8,
    caractérisée en ce que
    les moyens de préparation du train de laminoir pour des produits en acier au carbone ou en acier inoxydable comprennent un dispositif (25) de lubrification de l'entrefer et
    que le produit lubrifiant pour la lubrification de l'entrefer est différent pour l'acier au carbone et l'acier inoxydable.
  10. Installation selon l'une quelconque des revendications 7 à 9,
    caractérisée en ce que
    les moyens de préparation du train de laminoir pour des produits en acier au carbone ou en acier inoxydable comprennent au moins un dispositif de chauffage des bords de la bande (24) qui est disposé avant la première cage de laminoir (15a) ou entre les cages de laminoir avant du train de laminoir.
  11. Installation selon l'une quelconque des revendications 7 à 10,
    caractérisée en ce que
    les rouleaux fonctionnels de la cage de laminoir présentent de hautes résistances à l'usure grâce à l'utilisation de rouleaux fabriqués par métallurgie des poudres suivant le procédé HIP ou grâce à l'utilisation de rouleaux en acier rapide.
  12. Installation selon l'une quelconque des revendications 7 à 11,
    caractérisée en ce que
    celle-ci comprend une unité de commande (28)
    servant à commander l'unité d'intégration (22, 22a, 220) entre les deux parcours de processus (I, II) pour régler l'ordre d'entrée des produits de fonderie (1, 2) dans le train de laminoir commun (3) ainsi que pour commander les moyens (23, 24, 25, 26, 27) de préparation du train de laminoir pour le produit respectif de l'autre variété d'acier.
EP01965207A 2000-09-22 2001-08-23 Procede et installation pour produire des feuillards et des toles en acier Expired - Lifetime EP1318876B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10047044A DE10047044A1 (de) 2000-09-22 2000-09-22 Verfahren und Anlagen zum Herstellen von Bändern und Blechen aus Stahl
DE10047044 2000-09-22
PCT/EP2001/009721 WO2002024355A1 (fr) 2000-09-22 2001-08-23 Procede et installation pour produire des feuillards et des toles en acier

Publications (2)

Publication Number Publication Date
EP1318876A1 EP1318876A1 (fr) 2003-06-18
EP1318876B1 true EP1318876B1 (fr) 2004-10-27

Family

ID=7657264

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01965207A Expired - Lifetime EP1318876B1 (fr) 2000-09-22 2001-08-23 Procede et installation pour produire des feuillards et des toles en acier

Country Status (15)

Country Link
US (1) US7143499B2 (fr)
EP (1) EP1318876B1 (fr)
JP (1) JP2004508933A (fr)
KR (1) KR100807310B1 (fr)
CN (1) CN1222371C (fr)
AT (1) ATE280642T1 (fr)
AU (1) AU2001285899A1 (fr)
CA (1) CA2423097C (fr)
DE (2) DE10047044A1 (fr)
ES (1) ES2228943T3 (fr)
RU (1) RU2271256C2 (fr)
TW (1) TW561080B (fr)
UA (1) UA74596C2 (fr)
WO (1) WO2002024355A1 (fr)
ZA (1) ZA200301559B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011061262A1 (fr) 2009-11-21 2011-05-26 Sms Siemag Ag Installation et procédé pour la coulée et le laminage de métal

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI288676B (en) * 2002-07-06 2007-10-21 Sms Demag Ag Method and casting roller plant for the semi-endless or endless rolling by casting of a metal in particular a steel strip which may be transversely cut as required after solidification
DE102004025058A1 (de) * 2004-05-18 2005-12-08 Sms Demag Ag Verfahren und Vorrichtung zur Kühlung und/oder Schmierung von Walzen und/oder Walzgut
US9126263B2 (en) * 2004-12-03 2015-09-08 Sms Group Gmbh CSP-continuous casting plant with an additional rolling line
DE102004058550A1 (de) * 2004-12-03 2006-06-14 Sms Demag Ag CSP-Stranggießanlage mit Rollenherdofen und Schwenkfähren
US20120018113A1 (en) * 2004-12-03 2012-01-26 Joachim Schwellenbach CSP-continuous casting plant with an additional rolling line
DE102005010243A1 (de) * 2005-03-05 2006-09-07 Sms Demag Ag Verfahren und Anlage zur Herstellung eines Leichtbaustahls mit einem hohen Mangan-Gehalt
DE102005021337A1 (de) * 2005-05-04 2006-11-16 Abb Patent Gmbh System und Verfahren zur korrigierenden Planung und Optimierung von Verarbeitungsprozessen
WO2007072516A1 (fr) * 2005-12-22 2007-06-28 Giovanni Arvedi Procede et installation associee pour la production de bandes d'acier avec solution de continuite
DE102006001195A1 (de) * 2006-01-10 2007-07-12 Sms Demag Ag Verfahren zum Gieß-Walzen mit erhöhter Gießgeschwindigkeit und daran anschließendem Warmwalzen von relativ dünnen Metall-,insbesondere Stahlwerkstoff-Strängen,und Gieß-Walz-Einrichtung
US20070199627A1 (en) * 2006-02-27 2007-08-30 Blejde Walter N Low surface roughness cast strip and method and apparatus for making the same
DE102007022932A1 (de) * 2006-05-26 2007-12-20 Sms Demag Ag Verfahren und Vorrichtung zum Herstellen eines Metallbandes durch Stranggießen
DE102007043003A1 (de) 2007-09-06 2009-03-12 Sms Demag Ag Einrichtung zur Überleitung von Stranggießbrammen
DE102007057423A1 (de) * 2007-11-29 2009-06-04 Sms Demag Ag Fräsmaschine zum Fräsen einer Bramme
DE102009037278A1 (de) * 2009-08-12 2011-02-17 Sms Siemag Ag Vorrichtung und Verfahren zum Herstellen eines dünnen Warmbandes
DE102009048165A1 (de) * 2009-10-02 2011-04-07 Sms Siemag Ag Verfahren zum Bandgießen von Stahl und Anlage zum Bandgießen
US8248173B2 (en) 2010-04-27 2012-08-21 The Charles Stark Draper Laboratory, Inc. Devices, systems, and methods for controlling the temperature of resonant elements
CN102247987A (zh) * 2010-05-19 2011-11-23 马鞍山钢铁股份有限公司 一种混合轧制电工钢和碳钢的生产方法
IT1402240B1 (it) * 2010-07-21 2013-08-28 Danieli Off Mecc Apparecchiatura di mantenimento in temperatura e/o eventuale riscaldo di prodotti metallici lunghi e relativo procedimento
ES2734851T3 (es) * 2010-07-26 2019-12-12 Primetals Tech Italy S R L Aparato y método para la producción de productos alargados de metal
TWI454327B (zh) * 2012-01-16 2014-10-01 China Steel Corp 鋼帶切尾之偵測方法
ITMI20120760A1 (it) * 2012-05-07 2013-11-08 Arvedi Steel Engineering S P A Impianto e procedimento per la produzione di un nastro d'acciaio laminato a caldo in un'ampia gamma dimensionale
AT512399B1 (de) 2012-09-10 2013-08-15 Siemens Vai Metals Tech Gmbh Verfahren zum Herstellen eines mikrolegierten Röhrenstahls in einer Gieß-Walz-Verbundanlage und mikrolegierter Röhrenstahl
DE102013224633A1 (de) * 2013-01-14 2014-07-17 Sms Siemag Ag Gieß-Walzanlage sowie Verfahren zum Aus- und Einbau von Walzen in einem Reduziergerüst der Gieß-Walzanlage
ITUD20130128A1 (it) * 2013-10-04 2015-04-05 Danieli Off Mecc Impianto siderurgico a linea di co-laminazione multipla e relativo metodo di produzione
EP3094425B1 (fr) 2014-01-17 2018-06-20 Danieli & C. Officine Meccaniche, S.p.A. Dispositif et procédé pour la production de produits métalliques
EP2944386A1 (fr) * 2014-05-13 2015-11-18 Primetals Technologies Austria GmbH Appareil et procédé de production de produits métalliques longs
CN103978045B (zh) * 2014-05-22 2015-10-21 邯钢集团邯宝钢铁有限公司 酸洗冷轧联合机组入口活套充套速度控制方法
CN106537076B (zh) * 2014-05-27 2019-01-01 丹尼尔和科菲森梅克尼齐有限公司 在可用于薄碳钢板坯的连续铸造和轧制工艺的炉中运送负载的辊
DE102019207459A1 (de) * 2018-05-23 2019-11-28 Sms Group Gmbh Gieß-Walzanlage für den Batch- und Endlosbetrieb
CN110216153B (zh) * 2019-06-11 2021-05-25 攀钢集团攀枝花钢钒有限公司 用于轧辊辊缝形状的控制方法及其轧机
CN112570449B (zh) * 2019-09-30 2022-12-20 宝钢湛江钢铁有限公司 一种高效的双机架双剪切线直通中厚板生产线及生产方法
IT202000014383A1 (it) * 2020-06-16 2021-12-16 Danieli Off Mecc Impianto per la produzione di acciaio e relativo metodo
CN112497018B (zh) * 2020-11-26 2022-12-23 昆山大庚不锈钢有限公司 一种合金钢板制备方法
DE102021207912A1 (de) * 2021-07-23 2023-01-26 Sms Group Gmbh Verfahren zum Herstellen eines Coils metallischen Bandes
WO2024079768A1 (fr) * 2022-10-14 2024-04-18 Danieli & C. Officine Meccaniche S.P.A. Installation de traitement de produits métalliques plats, tels que des brames ou similaires, et procédé de traitement correspondant
CN117102235B (zh) * 2023-10-23 2023-12-19 金鼎重工有限公司 一种热轧薄壁h型钢轧制系统及其磨具装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146403A (en) * 1981-03-07 1982-09-09 Kawasaki Steel Corp Hot rolling line for slab by plural continuous casting installations of different kinds
JPS57146404A (en) * 1981-03-07 1982-09-09 Kawasaki Steel Corp Hot rolling line for slab by plural continuous casting installations of different kinds
JPS57149008A (en) * 1981-03-12 1982-09-14 Kawasaki Steel Corp Hot rolling line of different-kind and plural slabs by continuous casting equipment
JPS57149007A (en) * 1981-03-12 1982-09-14 Kawasaki Steel Corp Hot rolling line of different-kind and plural slabs by continuous casting equipment
NL8300513A (nl) * 1983-02-11 1984-09-03 Philips Nv Hoogfrequentspoel met aansluitpennen.
DE3837642A1 (de) * 1988-11-05 1990-05-17 Schloemann Siemag Ag Verfahren und vorrichtung zur herstellung von warmgewalzten stahlbaendern
JP2893745B2 (ja) * 1989-08-17 1999-05-24 大同特殊鋼株式会社 連続鋳造の方法および装置
DE4001288A1 (de) * 1990-01-18 1991-07-25 Schloemann Siemag Ag Anlage zum auswalzen von warmbreitband
IT1259487B (it) * 1992-08-26 1996-03-20 Danieli Off Mecc Procedimento per la produzione di lamiere sottili ed impianto di laminazione compatto adottante tale procedimento
AT398396B (de) * 1993-02-16 1994-11-25 Voest Alpine Ind Anlagen Verfahren zum herstellen eines bandes, vorstreifens oder einer bramme
IT1269476B (it) * 1994-01-26 1997-04-01 Innocenti Eng Spa Processo ed impianto per produrre acciaio laminato a caldo in nastro
IT1267916B1 (it) * 1994-03-31 1997-02-18 Danieli Off Mecc Procedimento per la produzione di nastro partendo da bramme sottili e relativo impianto
DE19621259A1 (de) * 1996-05-25 1997-11-27 Schloemann Siemag Ag Verfahren und Anlage zur Herstellung von Edelstahl- oder Kohlenstoffstahlblech aus durch Strangguß erzeugten Dünnbrammen
JPH1034289A (ja) * 1996-07-25 1998-02-10 Nippon Steel Corp 連続鋳造方法
JPH1133601A (ja) * 1997-07-16 1999-02-09 Ishikawajima Harima Heavy Ind Co Ltd 圧延設備
DE10154138A1 (de) * 2001-11-03 2003-05-15 Sms Demag Ag Verfahren und Gießwalzanlage zum Herstellen von Stahlband, insbesondere von Edelstahl-Band
US7021658B2 (en) 2002-12-05 2006-04-04 Daimlerchrysler Corporation Adjustable three-piece hydroformed sport bar

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011061262A1 (fr) 2009-11-21 2011-05-26 Sms Siemag Ag Installation et procédé pour la coulée et le laminage de métal
DE102010050647A1 (de) 2009-11-21 2011-05-26 Sms Siemag Aktiengesellschaft Anlage und Verfahren zum Gießen und Walzen von Metall

Also Published As

Publication number Publication date
ZA200301559B (en) 2003-07-30
TW561080B (en) 2003-11-11
DE10047044A1 (de) 2002-04-25
CA2423097A1 (fr) 2003-03-19
KR100807310B1 (ko) 2008-02-28
RU2271256C2 (ru) 2006-03-10
WO2002024355A1 (fr) 2002-03-28
CA2423097C (fr) 2008-12-23
EP1318876A1 (fr) 2003-06-18
UA74596C2 (en) 2006-01-16
KR20030038759A (ko) 2003-05-16
US7143499B2 (en) 2006-12-05
ES2228943T3 (es) 2005-04-16
ATE280642T1 (de) 2004-11-15
DE50104324D1 (de) 2004-12-02
JP2004508933A (ja) 2004-03-25
US20040025320A1 (en) 2004-02-12
AU2001285899A1 (en) 2002-04-02
CN1222371C (zh) 2005-10-12
CN1466495A (zh) 2004-01-07

Similar Documents

Publication Publication Date Title
EP1318876B1 (fr) Procede et installation pour produire des feuillards et des toles en acier
EP1799368B1 (fr) Procede et dispositif de production continue d'une fine bande metallique
AT504782B1 (de) Verfahren zur herstellung eines warmgewalzten stahlbandes und kombinierte giess- und walzanlage zur durchführung des verfahrens
EP2416900B2 (fr) Procédé et dispositif servant à préparer un produit de laminage à chaud
DE69202088T2 (de) Vorrichtung und Verfahren zur Herstellung von warmgewalztem Stahl.
EP0853987A2 (fr) Installation pour la production d'un feuillard, d'un feullard ébaucheé ou d'une bramme
DE19540978A1 (de) Produktionsanlage zum kontinuierlichen- oder diskontinuierlichen Auswalzen von Warmband
EP1982134A1 (fr) Four à rouleaux destiné au chauffage et/ou à la compensation de température de produits de coulée continue en acier ou en alliages d'acier et disposition d'un tel four en amont d'un train finisseur à feuillards à chaud
EP1519798B1 (fr) Procede et installation de laminage de coulee continue pour le laminage semi-continu ou continu par coulee d'une barre de metal, en particulier d'acier, separee transversalement selon le besoin apres solidification
WO2007137740A1 (fr) Procédé et dispositif permettant de produire une bande métallique par coulée continue
EP2428288B1 (fr) Procédé de fabrication de bandes en acier par laminage continu ou semi-laminage continu
DE19600990C2 (de) Verfahren zum Warmwalzen von Stahlbändern
WO2017036769A1 (fr) Installation fonctionnant suivant le concept csp (compact strip production) et procédé de fonctionnement d'une telle installation
EP3016762B1 (fr) Installation de laminage de coulée continue et procédé de fabrication de produit laminé métallique
WO2018158420A1 (fr) Procédé et dispositif permettant la fabrication en continu d'un feuillard d'acier
WO2012095250A1 (fr) Installation et procédé destinés à produire des bandes d'acier laminées à chaud
DE102007022932A1 (de) Verfahren und Vorrichtung zum Herstellen eines Metallbandes durch Stranggießen
DE4009860C2 (de) Verfahren und Anlage zur Herstellung von warmgewalztem Stahlband, insbesondere für Edelstähle, aus bandförmig stranggegossenem Vormaterial
DE102006010137A1 (de) Verfahren und Vorrichtung zum Herstellen eines Metallbandes durch Gießwalzen
WO2022017690A1 (fr) Installation intégrée de coulée-laminage pour la production d'une bande finie laminée à chaud à partir d'une fonte d'acier
EP0563786A1 (fr) Procédé de coulée continue du type courbe d'acier hautement allié
EP4326459A1 (fr) Amélioration de productivité de train de coulée-laminage par réglage d'épaisseur de coulée optimale
WO2024037839A1 (fr) Procédé de fabrication de bandes métalliques par coulée et laminage en continu
EP3725450A2 (fr) Procédé et dispositif de fabrication d'une matière composite multicouche
DE102009060828A1 (de) Walzanlage zum kontinuierlichen Walzen von bandförmigem Walzgut

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: 20030221

AK Designated contracting states

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

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

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 CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20041027

Ref country code: FI

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: 20041027

Ref country code: TR

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: 20041027

Ref country code: FR

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: 20041027

Ref country code: IE

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: 20041027

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

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: GERMAN

REF Corresponds to:

Ref document number: 50104324

Country of ref document: DE

Date of ref document: 20041202

Kind code of ref document: P

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050127

Ref country code: GR

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: 20050127

Ref country code: SE

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: 20050127

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

Effective date: 20050310

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2228943

Country of ref document: ES

Kind code of ref document: T3

LTIE Lt: invalidation of european patent or patent extension

Effective date: 20041027

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

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

Ref country code: CY

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: 20050823

Ref country code: LU

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

Effective date: 20050823

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

Ref country code: LI

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

Effective date: 20050831

Ref country code: MC

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

Effective date: 20050831

Ref country code: CH

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

Effective date: 20050831

Ref country code: BE

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

Effective date: 20050831

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

Effective date: 20050728

EN Fr: translation not filed
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

BERE Be: lapsed

Owner name: *SMS DEMAG A.G.

Effective date: 20050831

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

Ref country code: PT

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

Effective date: 20050327

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

Ref country code: ES

Payment date: 20090821

Year of fee payment: 9

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

Ref country code: GB

Payment date: 20090827

Year of fee payment: 9

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

Effective date: 20100823

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 NON-PAYMENT OF DUE FEES

Effective date: 20100823

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20111019

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: 20100824

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

Ref country code: DE

Payment date: 20120822

Year of fee payment: 12

Ref country code: IT

Payment date: 20120823

Year of fee payment: 12

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

Ref country code: AT

Payment date: 20120813

Year of fee payment: 12

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50104324

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 280642

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130823

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

Ref country code: AT

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

Effective date: 20130823

Ref country code: IT

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

Effective date: 20130823

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50104324

Country of ref document: DE

Effective date: 20140301

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

Ref country code: DE

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

Effective date: 20140301