EP2209573A1 - Procédé de laminage austénitique continu d'une bande fabriquée lors d'un processus de coulée continu et dispositif de coulée et de laminage combiné destiné à l'exécution du procédé - Google Patents

Procédé de laminage austénitique continu d'une bande fabriquée lors d'un processus de coulée continu et dispositif de coulée et de laminage combiné destiné à l'exécution du procédé

Info

Publication number
EP2209573A1
EP2209573A1 EP08852273A EP08852273A EP2209573A1 EP 2209573 A1 EP2209573 A1 EP 2209573A1 EP 08852273 A EP08852273 A EP 08852273A EP 08852273 A EP08852273 A EP 08852273A EP 2209573 A1 EP2209573 A1 EP 2209573A1
Authority
EP
European Patent Office
Prior art keywords
rolling
casting
thickness
strip
reduction steps
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.)
Granted
Application number
EP08852273A
Other languages
German (de)
English (en)
Other versions
EP2209573B2 (fr
EP2209573B1 (fr
Inventor
Gerald Hohenbichler
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.)
Primetals Technologies Austria GmbH
Original Assignee
Siemens VAI Metals Technologies GmbH and Co
Siemens VAI Metals Technologies GmbH Austria
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
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Application filed by Siemens VAI Metals Technologies GmbH and Co, Siemens VAI Metals Technologies GmbH Austria filed Critical Siemens VAI Metals Technologies GmbH and Co
Publication of EP2209573A1 publication Critical patent/EP2209573A1/fr
Application granted granted Critical
Publication of EP2209573B1 publication Critical patent/EP2209573B1/fr
Publication of EP2209573B2 publication Critical patent/EP2209573B2/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
    • 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
    • B21B1/463—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 continuous process, i.e. the cast not being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby

Definitions

  • the invention relates to a process for the continuous austenitic rolling of a pre-strip produced in a continuous casting process in a continuous casting plant with a casting thickness of less than 300 mm, preferably with a casting thickness of less than 150 mm, by thickness reduction steps in at least one of several successive rolling stands - Rolling mill to a hot strip with a Walzenddicke between 0.5 and 15 mm and subsequent transverse division of the rolled hot strip in waist sizes or bundle lengths before winding in a storage device.
  • the invention relates to a combined casting and rolling plant for the production of austenitic rolled hot strip in a continuous continuous casting and rolling process with a continuous casting for casting steel strands with a casting thickness of less than 300 mm, preferably for casting steel strands with a casting thickness of less as 150 mm, and with at least one rolling mill, which comprises a plurality of successive rolling stands, for producing a austenitic temperature range rolled hot strip with a Walzenddicke between 0.5 and 15 mm and a last mill downstream subdivision and strip storage device.
  • a process according to the invention for the continuous austenitic rolling of a pre-strip produced in a continuous casting process is to be understood as a process in which the pre-strip produced in a continuous casting line without pre-strip cutting section has a casting speed into the first rolling stand or the first rolling line and transport speed into each with a reduction in thickness subsequent rolling mill is introduced to produce hot strip.
  • the combined casting and rolling plant is configured in its structural configuration so that the cast slab without Vorbandentrennrough with casting speed in the first rolling mill of the first rolling mill enters.
  • a combined casting and rolling process in which a steel strip cast in a continuous casting plant is rolled directly from the casting heat and without separating cut between the casting plant and the downstream rolling devices in two deformation steps.
  • a first rolling deformation of the cast steel strand takes place immediately after solidification in the outlet region of the continuous casting plant with a single rolling stand at a strand temperature of about 1100 0 C.
  • the further rolling takes place in a multi-stand rolling train with a rolling speed of the casting speed, the maximum 5 m / min, and depends on the degree of deformation achieved in the first mill stand.
  • an inductive reheating of the steel strip between the first roll stand and the subsequent rolling train is absolutely necessary. Intermediate heating stages between the individual rolling mills of the rolling train are also provided.
  • a combined casting and rolling process in which a cast steel strand produced in a continuous casting is roll formed without prior transverse division in two successive deformation stages to a windable Good having cold rolling properties.
  • a first reduction in the thickness of the cast steel strand still takes place within the continuous casting machine at a time when the steel strand still has a liquid core (liquid core reduction).
  • a second reduction in thickness of the subsequently solidified steel strand takes place immediately after leaving the continuous casting machine in a multi-stand rolling mill at a strip temperature of about 1100 0 C in the austenitic region.
  • the steel strip of a casting thickness ⁇ 100 mm is hot-rolled onto a coilable hot strip with a strip thickness of 10-30 mm.
  • WO 97/36699 A1 a process for the production of hot-rolled steel strip is known, in which the cast steel strand without separation cut is fed directly to a multi-stand rolling train and finished rolled in the austenitic region.
  • a specific minimum number of deformation steps is proposed for a specific, to a slab width of 1, 0 m volume flow, which is greater than 0.487 m 2 / min, in order to ensure an austenitic final rolling safe. Due to various circumstances in the casting process, a Steel strip temperature present at the end of the continuous casting, which no longer guarantees an austenitic rolling in the last frame of the rolling mill and can not be corrected by the homogenization before the first roll stand.
  • EP 0 823 294 A1 further describes a method for producing a rolled steel strip from low-carbon and ultra-low-carbon steels in a continuous casting and rolling process, in which likewise no separating cut is made between the casting process and the rolling process.
  • the cast steel strip with a solidification thickness of more than 70 mm is austenitically rolled in a first deformation stage in a temperature range from 1 150 0 C - 900 0 C to a strip thickness ⁇ 20 mm. This is followed by an accelerated cooling to a temperature in the range of ⁇ 738 ° C with subsequent ferritic rolling in at least three rolling passes.
  • the object of the present invention is therefore to avoid the disadvantages of the known prior art and a method and apparatus for continuously austenitic rolling a Vorbandes produced in a continuous casting process with minimal investment costs by specifying the maximum number of scaffolds, intermediate heaters and / or -2020 treat and to propose them as a function of the desired production and material parameters.
  • These include, for example, the final roll thickness (of the tape to be wound) and the casting thickness and the austenite limit temperature defined by the chemical analysis.
  • Another object of the invention is to optimize the overall plant configuration for carrying out the rolling process based on an expected production spectrum under the constraint that slab thicknesses are from 30 to 150 mm and the composite production wide rate 2.5 to 4.5 t / min Hot strip, preferably 3.0 to 3.6 t / min (at a typical hot-plate density of 7.4 t / m 3 ) should be.
  • This object is achieved in a method according to the preamble of claim 1, characterized in that the pre-strip in each of the continuous casting mill downstream rolling mill with a number of n, thickness reduction steps is reduced, wherein the number n, to be performed thickness reduction steps by the condition
  • T y3 , [ 0 C] is the cross-sectional average pre-strip temperature at the end of the casting machine
  • V 9 [m / min] is the slab casting speed.
  • rolling mill is to be understood as meaning the successive arrangement of a plurality of rolling stands, the stand spacing of adjacent rolling stands not exceeding 5.6 m, preferably 4.9 m, and none between adjacent rolling stands Intermediate heating stage is arranged or an intermediate heating of the rolled strip takes place.
  • Each rolling stand comprises a pair of work rolls.
  • this calculation rule determines the number of necessary thickness reduction steps or the number of required rolling stands of several successively arranged rolling mills or groups of rolling mills, if between the individual rolling mills or groups of rolling mills interim heating devices are provided to increase the strip temperature.
  • the calculation rule is applied to a second or further rolling train arranged downstream of the continuous casting plant, all the already existing thickness reduction steps in the first rolling train (s) are taken into account by the factor m, the original slab thickness h Br being taken into account.
  • m before 0, there still exist no upstream thickness reduction steps.
  • the number n of the thickness reduction steps activated within a rolling mill becomes the condition
  • the number of thickness reduction steps activated within each rolling train according to the product-specific requirements is determined by the two largest natural numbers N and can be selected from the set of natural numbers N resulting from the mathematical condition.
  • this method allows a determination of the optimum number of thickness reduction steps or rolling stands to be activated in each of the rolling mills downstream from the amount of existing rolling mills. From thickness reduction step to thickness reduction step, there is a decrease in the cross-section-averaged pre-strip temperature, which must not be less than the austenite formation limit temperature dependent on steel content.
  • intermediate heating of the rolled strip takes place, whereby the cross-section averaged rolled strip temperature is 50 K to 450 K, preferably by 120 K to 350 K, is increased.
  • This intermediate heating is preferably carried out by an inductive transverse field heating.
  • other known methods for the implementation of the intermediate heating can be used, especially as a function of the intermediate strip thickness.
  • all thickness reduction steps in a rolling train and at a casting thickness h Br > 60 mm are carried out in at least two rolling mills.
  • rolling can be carried out in a rolling mill as well as in two rolling mills, depending on various influencing factors. For example, rolling in heavy plate production would preferably take place in one rolling line and preferably in two rolling lines during hot strip production.
  • a division into at least two groups of rolling stands is expedient if the final rolling thickness is less than 3.5 mm lies.
  • the method can be used advantageously if the preliminary strip produced in a continuous casting process is produced with a casting thickness of at least 30 mm, preferably with a casting thickness of at least 60 mm.
  • the method is particularly advantageous if, for casting thicknesses of 30 to 300 mm, preferably at casting thicknesses of 60 to 150 mm, a final rolling thickness of 0.5 to 15 mm, preferably from 0.8 to 12 mm and in particular 1, 0 to 8 mm, to be achieved.
  • the calculation rule for determining the number of n, or n immediately consecutive thickness reduction steps for each rolling train on the basis of the condition
  • the invention further relates to a combined casting and rolling plant for the production of austenitic rolled hot strip in a continuous continuous casting and rolling process with a continuous casting for casting steel strands with a casting thickness of less than 300 mm, preferably for casting steel strands with a casting thickness of less than 150 mm, and with at least one rolling mill comprising a plurality of successive rolling mills, for producing an austenitic temperature rolled hot strip having a Walzenddicke between 0.5 and 15.0 mm and a last mill downstream subdivision and strip storage device.
  • the design of the combined casting and rolling plant is based on a future customer-oriented and coordinated intended production program for hot strip.
  • An essential goal is to ensure a continuous exclusively austenitic rolling of a hot strip with a compact, wide production spectrum covering casting and rolling mill.
  • each of the at least one rolling train comprises a number of n, immediately successive rolling stands, wherein the number of rolling stands n, by the condition
  • T amt [ 0 C] the steel-grade dependent austenite formation limit temperature (Austenit.
  • the number n of rolling mills installed within a rolling mill is the condition
  • each of the optionally successive rolling mills are each 1-1 and W 1 disposed between two successive rolling mills W an intermediate heating means for raising the cross-sectional average pre-strip temperature on T VB ⁇ to a correspondingly sufficient temperature level.
  • the interim heating device is designed as a device for inductive transverse field heating.
  • the casting plant on which the combined casting and rolling plant is based comprises a continuous casting mold that can be set to different casting thicknesses or interchangeable continuous casting molds and a downstream strand guide with gap-adjustable strand segments.
  • a continuous casting mold and strand guide set to a casting thickness h Br ⁇ 45 mm it is expedient to activate exactly one rolling mill with n rolling stands and in the case of a continuous casting mold and strand guide set to a casting thickness hBr> 60 mm at least two rolling mills each having a specific number of rolling stands activated.
  • the rolling may be carried out in a rolling mill as well as in two rolling mills, depending on various influencing factors, with an intermediate heating device between the successive rolling mills.
  • the work-roll diameter of the work rolls in the first rolling line after the casting plant is expedient for the work-roll diameter of the work rolls in the first rolling line after the casting plant to have a diameter range of 650 mm to 980 mm is to achieve the greatest possible thickness reductions at very high slab temperatures or pre-strip temperatures.
  • a preferred range of working roll diameters is between 650 mm and 800 mm.
  • the working roll diameter of the work rolls in the second rolling line after the caster is in a diameter range of 500 mm to 870 mm, since the intermediate strip thickness is already lower.
  • a preferred range of working roll diameters for this case is between 500 mm and 720 mm.
  • the working roll diameter should decrease when the inlet thickness of the rolling stock is lower.
  • FIG. 2 shows a longitudinal section of a combined casting and rolling plant according to the invention according to a second embodiment of the invention
  • Fig. 3 is a longitudinal section of a combined casting and rolling plant according to a third embodiment of the invention
  • Fig. 4 control diagram for the control of the combined casting and rolling plant according to the invention.
  • FIGS. 1 to 3 which comprise a continuous casting plant for continuous casting of a steel strand with thin slab or center slab cross-section and an immediately adjacent rolling train W for austenitic rolling of the cast strand or sliver.
  • the continuous casting machine G of conventional design according to the prior art is indicated by a continuous mold 3 and a strand guide 4 with strand guide rollers 5.
  • the continuous casting mold 3 with subsequent strand guide determines the casting thickness h Br of the pre-strip 6, which is fed immediately after a deflection of a substantially vertical casting direction in a horizontal transport direction of the rolling train W or facultative previously passes through a homogenizer 7, in which a homogenization of the temperature distribution in Support could be sought.
  • the pre-strip 6 with the casting thickness h Br occurs - without a separating cut is performed - with casting speed v g and with a cross-section-averaged pre-strip temperature T VB, I in the first rolling stand 8a of the rolling train W.
  • the number of stands used in the rolling mill W 8a, 8b, .... 8n is determined by desired final thickness, d s d, i and the final rolling temperature in the rolling stand 8n, which are essential to the steel quality dependent Austenitönöns-limit temperature T from t got to.
  • the number rii of the maximum applicable rolling stands for a particular steel quality with certain geometric default values is determined by the general formula
  • the number of rolling stands results from the largest natural number in the field of possible result values.
  • the hot-rolled strip passes through a cooling section 9, is divided according to predetermined bundle weights with a dividing line 10 formed by a dividing shears 10 and wound in a band reeling device 11 in coils.
  • the output strand thickness determined in the continuous casting plant and the desired final rolling thickness of the hot strip wound into a bundle determine not only the steel quality but also the number of necessary rolling stands / thickness reduction steps in order to achieve an end product with the required material and structural properties.
  • the cross-section-averaged pre-strip temperature T VB, I at the end of the casting machine and thus before entry into the first roll stand is variable only within very narrow limits and depends on the operating conditions of the continuous casting machine.
  • the steel grade dependent austenite formation limit temperature is a material constant that is essentially fixed for each grade of steel.
  • the pre-strip temperature usually decreases continuously, and the greater the lower the rolling speed, or the input side, the casting speed.
  • the above-mentioned, developed formula provides the determination of the max. meaningful number of rolling stands or thickness reduction steps to be made in a rolling train, wherein the strip temperature does not fall below the austenite formation limit temperature in the rolling mill, taking into account all Vorverformungsöne. If the aim is slab thicknesses> 50 mm rolling thicknesses ⁇ 3.5 mm, the arrangement of two or more rolling mills W1, W2, W3 is necessary, as shown in the embodiments according to Figures 2 and 3.
  • the combined casting and rolling plant in the embodiment according to FIG. 2 agrees in the basic approaches with the previously described embodiment according to FIG. Instead of the rolling train W according to FIG. 1, two successive rolling mills W1 and W2 separated by an intermediate heating device 12 are now provided.
  • the rolling train W1 comprises a certain maximum number of rolling stands 8a, 8b,..., 8n, which is to be determined with the calculation rule given above.
  • the rolling train W2 has a certain maximum number of rolling stands 13a, 13b, ..., 13m, which is also to be determined with the above-mentioned calculation rule, wherein for W 2, the number of already in the rolling mill W1 made thickness reduction steps in the Calculation rule by the exponent m before to take into account.
  • the cross-sectional averaged temperature of the pre-strip is again brought to a sufficiently high temperature level above the austenite formation limit temperature of the pre-strip reduced in the rolling train W1 to perform the austenitic rolling passes in the rolling train W2.
  • the temperature increase achieved with the intermediate heating device is dependent on demand in the range of 50 K up to 450 K, preferably in the range of 120 K to 350 K.
  • the combined casting and rolling plant shown schematically in Figure 3 is equipped with three rolling lines W1, W2 and W3 and particularly suitable, if starting from a relatively large casting thickness (eg.> 150 mm) and long metallurgical strand guide length, or relatively lower averaged slab temperature T VB austenitic rolled hot strip with a very low rolling thickness (eg ⁇ 1, 2 mm) are to be produced.
  • a relatively large casting thickness eg.> 150 mm
  • T VB austenitic rolled hot strip with a very low rolling thickness eg ⁇ 1, 2 mm
  • the determination of the number of rolling mills required in the rolling train W3 is analogous to the determination of the maximum number of rolling mills in the rolling train W2.
  • the calculation rule for the rolling train W 2 in the case of the exponent m all pre-deformation stages in the rolling mills W 1 and W 2 are to be taken into account.
  • operational temperature variations in the production of the pre-strip in the continuous casting can be achieved by appropriate control of the rolling mills in particular, by activating an optimal roll stand configuration.
  • This can take place on the process control level P, which receives corresponding status information from a process computer PS of the upstream continuous casting plant and transmits activation signals to the individual control loops PW1 and PW2 of the rolling mills W1 and W2 (FIG. 4).
  • the special calculation rule is assigned here as a mathematical model to the process computer at the process control level, whereby the current average or steady-state mass-specific mass flow rate is to be included as a multiplication factor. For this case, the number of thickness reduction steps in the individual stands is determined according to the condition
  • the number of thickness reduction steps for each rolling train is selectable from the two largest natural numbers from the set of natural numbers resulting from the condition.
  • the intermediate heating device 12 is integrated into the control loop at the process control level P.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Abstract

L'objet de l'invention est un procédé de laminage austénitique continu d'une bande fabriquée lors d'un processus de coulée continu dans un dispositif de coulée continue avec une épaisseur de coulée inférieure à 300 mm, au moyen d'une étape de réduction d'épaisseur dans au moins un train de laminoir formé par plusieurs cages de laminoirs à la suite les unes des autres pour former une bande laminée à chaud avec une épaisseur de laminage comprise entre 0,5 et 15 mm sans étape de séparation entre le dispositif de coulée et le train de laminoir. Pour réduire l'investissement en cas d'augmentation simultanée de la capacité, l'invention propose de réduire l'épaisseur de la bande (6) dans chaque train de laminoir (W, W1, W2, W3) subordonné au dispositif de coulée continue en une quantité de n étapes de façonnage, la quantité n des étapes de réduction d'épaisseur à exécuter étant déterminée par la condition (I). De plus, la présente invention concerne un dispositif de coulée et de laminage pour la mise en œuvre du procédé.
EP08852273.5A 2007-11-22 2008-11-19 Procédé de laminage austénitique continu d'une bande fabriquée lors d'un processus de coulée continu Active EP2209573B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0189307A AT506065B1 (de) 2007-11-22 2007-11-22 Verfahren zum kontinuierlichen austenitischen walzen eines in einem kontinuierlichen giessprozess hergestellten vorbandes und kombinierte giess- und walzanlage zur durchführung des verfahrens
PCT/EP2008/065787 WO2009065840A1 (fr) 2007-11-22 2008-11-19 Procédé de laminage austénitique continu d'une bande fabriquée lors d'un processus de coulée continu et dispositif de coulée et de laminage combiné destiné à l'exécution du procédé

Publications (3)

Publication Number Publication Date
EP2209573A1 true EP2209573A1 (fr) 2010-07-28
EP2209573B1 EP2209573B1 (fr) 2013-08-14
EP2209573B2 EP2209573B2 (fr) 2018-01-17

Family

ID=40380725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08852273.5A Active EP2209573B2 (fr) 2007-11-22 2008-11-19 Procédé de laminage austénitique continu d'une bande fabriquée lors d'un processus de coulée continu

Country Status (9)

Country Link
EP (1) EP2209573B2 (fr)
KR (1) KR101514625B1 (fr)
CN (1) CN101868313B (fr)
AT (1) AT506065B1 (fr)
BR (1) BRPI0819789A8 (fr)
ES (1) ES2428761T3 (fr)
RU (1) RU2463127C2 (fr)
UA (1) UA101338C2 (fr)
WO (1) WO2009065840A1 (fr)

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IT1400002B1 (it) * 2010-05-10 2013-05-09 Danieli Off Mecc Procedimento ed impianto per la produzione di prodotti laminati piani
CO6310134A1 (es) 2010-08-31 2011-08-22 Pacific Rubiales Energy Corp Sistema sincronizado de produccion de crudo por combustion in situ
AT511657B1 (de) * 2011-06-24 2013-04-15 Siemens Vai Metals Tech Gmbh Inbetriebnahme einer fertigwalzstrasse in einer giess-walz-verbundanlage
WO2018086762A1 (fr) * 2016-11-10 2018-05-17 Sms Group Gmbh Procédé de fabrication d'une bande métallique dans une installation de laminage direct
EP3338914A1 (fr) * 2016-12-22 2018-06-27 Primetals Technologies Austria GmbH Procede de fabrication de bandes bobinees sans fin laminees a chaud dans une installation combinee de coulee et de laminage, procede de demarrage d'une installation combinee de coulee et de laminage et installation combinee de coulee et de laminage

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IT1224318B (it) * 1988-05-26 1990-10-04 Mannesmann Ag Processo ed impianto per la produzione continua di nastro di acciaio
IT1244295B (it) 1990-07-09 1994-07-08 Giovanni Arvedi Processo ed impianto per l'ottenimento di nastri di acciaio avvolti, aventi caratteristiche di laminati a freddo ottenuti direttamente in linea di laminazione a caldo
US5133205A (en) * 1990-11-13 1992-07-28 Mannesmann Aktiengesellschaft System and process for forming thin flat hot rolled steel strip
AT398396B (de) * 1993-02-16 1994-11-25 Voest Alpine Ind Anlagen Verfahren zum herstellen eines bandes, vorstreifens oder einer bramme
TW297788B (fr) * 1994-12-15 1997-02-11 Sumitomo Metal Ind
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Also Published As

Publication number Publication date
CN101868313B (zh) 2013-12-04
RU2463127C2 (ru) 2012-10-10
BRPI0819789A2 (pt) 2015-05-05
BRPI0819789A8 (pt) 2015-05-05
CN101868313A (zh) 2010-10-20
EP2209573B2 (fr) 2018-01-17
WO2009065840A1 (fr) 2009-05-28
UA101338C2 (uk) 2013-03-25
AT506065B1 (de) 2009-06-15
ES2428761T3 (es) 2013-11-11
KR20100099202A (ko) 2010-09-10
RU2010125493A (ru) 2011-12-27
KR101514625B1 (ko) 2015-04-23
EP2209573B1 (fr) 2013-08-14
AT506065A4 (de) 2009-06-15

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