EP1330556B1 - Procede de production d'un feuillard a chaud de magnesium - Google Patents

Procede de production d'un feuillard a chaud de magnesium Download PDF

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Publication number
EP1330556B1
EP1330556B1 EP01978446A EP01978446A EP1330556B1 EP 1330556 B1 EP1330556 B1 EP 1330556B1 EP 01978446 A EP01978446 A EP 01978446A EP 01978446 A EP01978446 A EP 01978446A EP 1330556 B1 EP1330556 B1 EP 1330556B1
Authority
EP
European Patent Office
Prior art keywords
hot
rolling
strip
magnesium
thickness
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
EP01978446A
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German (de)
English (en)
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EP1330556A1 (fr
Inventor
Hans Pircher
Rudolf Kawalla
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.)
ThyssenKrupp Steel Europe AG
Original Assignee
ThyssenKrupp Stahl 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
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Publication of EP1330556A1 publication Critical patent/EP1330556A1/fr
Application granted granted Critical
Publication of EP1330556B1 publication Critical patent/EP1330556B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/06—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of magnesium or alloys based thereon
    • 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
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B21B3/003—Rolling non-ferrous metals immediately subsequent to continuous casting, i.e. in-line 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
    • B21B1/30—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 non-continuous process
    • B21B1/32—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 non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B21B1/34—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 non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by hot-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/12—Arrangement or installation of roller tables in relation to a roll stand
    • 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

Definitions

  • the invention relates to a method for generating Hot strip made from wrought magnesium alloys.
  • Magnesium is that Metal with the lowest density Strength properties similar to aluminum and could substitute this as a lightweight material.
  • a basic problem hot rolling of wrought magnesium alloy sheets consists in that the common starting material Block or continuous casting solidified coarse-grained and porous, also strong segregations and coarse excretions contains.
  • the cast blocks often become one Subjected to homogenization annealing and then at Temperatures between approx. Hot rolled at 200 and 450 ° C. These requirements usually require a number of repetitions Intermediate heating of the rolling stock, otherwise failures as a result Cracks develop.
  • a disadvantage of the known method is that for the production of the primary material Magnesium powder creates this powder that compresses and that then accelerated cooling must be carried out. The associated apparatus and personnel expenditure leads to high manufacturing costs. It also shows that the forming of the primary material in In the course of hot rolling despite the complex production of Is difficult to master.
  • JP 06293944 A a method for producing a Magnesium sheet known, in which initially from a 0.5 -1.5% SEM, 0.1 - 0.6% zircon, 2.0 - 4.0% zinc and as Remaining magnesium-containing melt poured a slab becomes. This slab is then made in two stages hot rolled, being in the second stage of hot rolling the rolling temperatures between 180 - 230 ° C, preferably 180 - 200 ° C and a total deformation of 40-70%, preferably 40-60% is reached. That so tape obtained should have good ductility.
  • the two-stage hot rolling does however also the rolling process and the one to be observed Temperature control is complex and difficult to control.
  • the invention was based on the object Specify the procedure with which reduced Manufacturing cost magnesium sheets with improved Let formability be created.
  • this object is achieved by a method solved to create a magnesium hot strip, in which a melt from a magnesium alloy continuously to a supporting strip with a thickness of is cast at most 50 mm and in which the cast Supporting tape directly from the pouring heat at one Hot rolling start temperature of at least 250 ° C and at most 500 ° C to a hot strip with a final thickness of is hot rolled at most 4 mm, whereby in the first Rolling of hot rolling a reduction in thickness of at least 15% is achieved.
  • a supporting strip with a thickness of cast up to 50 mm which due to its low Thickness cools down quickly and as a result an improved, has fine-grained and low-pore structure. Micro and Macro segregations are to a minimum in this state reduced.
  • the so achieved particularly fine-grained structure favors formability during the subsequent hot rolling by the softening that is favorable for further forming facilitated.
  • the training of one is also supported fine structure through the first hot rolling pass achieved thickness reduction of at least 15%.
  • Another advantage of the applied according to the invention continuous casting from pre-strips Magnesium material with subsequent, from the casting heat Rolling takes place is that the previously at Manufacture of magnesium sheets to be accepted Proportion of scrap is significantly reduced.
  • a suitable remelting and casting technique results in addition, extensive procurement independence of the starting material.
  • the Energy requirement in the applied according to the invention Casting rolling technology minimized and great flexibility with regard to the spectrum of the products produced guaranteed.
  • the invention can be particularly economical Carry out the process by directly opening the supporting strip the casting heat is hot rolled out. Depending on the Properties of the processed alloy and the equipment conditions, it can also be favorable Rolling temperature of the preliminary strip in the course of a before Hot rolling performed temperature compensation adjust. Through this temperature compensation a uniform temperature distribution in the opening and a additional structural homogenization achieved.
  • Oxidation of the belt surface and the formation of unwanted oxides in the structure can surely be avoided that the casting of the melt in one suitably trained solidification device under Shielding gas is carried out.
  • the microstructure can be further favored if the reduction in thickness in the first pass of hot rolling is at least 20%.
  • the deformability of the strip during hot rolling ensure the hot rolling start temperature be at least 250 ° C.
  • hot magnesium band can be in produce the inventive method even if hot rolling is reversed in several passes.
  • Hot rolling Bridge downtime during which one continuous continuation of the rolling process is not is possible, it is favorable if the hot strip at least after the first stitch on a warm reel coiled and at the respective forming temperature is held.
  • the forming temperature at which the hot strip is on the reel is preferably included at least 300 ° C.
  • the deformation properties and the desired thickness of the finished rolled strip should be the total degree of forming achieved during hot rolling at least 60% be.
  • the process according to the invention can preferably be carried out under Use a wrought magnesium alloy that up to 10% aluminum, up to 10% lithium, up to 2% Contains zinc and up to 2% manganese.
  • a wrought magnesium alloy that up to 10% aluminum, up to 10% lithium, up to 2% Contains zinc and up to 2% manganese.
  • zirconium or Contribute cerium in contents of up to 1% each.
  • the casting and rolling system 1 comprises in the conveying direction F arranged one behind the other a melting furnace 2 Solidification device 3, a first driver device 4, scissors 5, a second driver device 6, one Homogenization furnace 7, a first coiler 8, a third driver 9, a reversing roll stand 10, a fourth driver 11, a fourth reel device 12 and a roller table 13.
  • the reel device 12 and the roller table 13 are on a platform 14 set up transversely to Conveying direction F can be moved in such a way that in a first operating position the reel device 12 and in a second operating position of the roller table 13 at the end of the conveyor path 15 one generated in the casting and rolling mill 1 Magnesium tape is arranged.
  • the homogenization furnace 7 and the coiler 8 arranged on a platform 16, so that one of these facilities in a first operating position next to conveyor 15 and in a second Operating position in the conveyor path of the to be generated Magnesium tape is arranged.
  • the reel devices 8 and 12 are not with here heaters shown equipped via the each on the reels, also not shown wound strip at the respective forming temperature can be held until the next rolling pass is carried out.
  • a melt is continuously cast under a protective gas atmosphere with the exclusion of oxygen to form a preliminary strip.
  • Typical alloys of this melt are given in Table 1 below:
  • HP has proven to be particularly advantageous (high purity) - Magnesium alloys proven.
  • alloys contain less than 10 ppm Ni, less than 40 ppm Fe and less than 150 ppm Cu.
  • solidified supporting tape is scooped using scissors 5 and by the drivers 4 and 6 on the conveyor path 15 through the Homogenization furnace 7 promoted.
  • Temperature compensation instead, in the course of which one evenly distributed over the cross-section of the supporting strip Rolling temperature is set, which is in the range from 250 - 500 ° C.
  • the supporting strip tempered in this way then reaches the Driver 9 promoted in the reversing stand 10 and undergoes a first hot rolling pass there.
  • the the thickness reduction achieved is at least 15%.
  • the hot strip leaving the rolling stand is removed from the Coiler device 12 coiled and in the for next forming stitch optimal forming temperature.
  • the platform 16 brought into the operating position in which the Reel device 8 is in the conveyor path 15. Subsequently the hot strip is cut to its final thickness in several passes rolled of less than 4 mm, being each alternately through the reel devices 8 and 12 wound up and at the respective forming temperature is held. The latter is above 250 ° C.
  • the platform 14 Before the last rolling pass, the platform 14 in moves the operating position in which the Roller table 13 is arranged at the end of the conveyor path 15.
  • the reversing roll stand 10 after the last stitch leaving, completely rolled magnesium hot strip is over the roller table 13 fed to further processing.
  • Typical properties of the magnesium hot strips produced in the manner described in the casting and rolling mill 1 from the alloys listed in Table 1 at room temperature are given in Table 2.
  • the sheet thickness was between 1.2 and 1.5 mm.
  • the tapes produced according to the invention a fine structure and, due to this, a have excellent ductility. So is found that the properties Sheets produced according to the invention by at least 20% are better than the respective properties conventionally produced sheets.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Metal Rolling (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Continuous Casting (AREA)
  • Powder Metallurgy (AREA)
  • Inorganic Insulating Materials (AREA)

Claims (11)

  1. Procédé de production d'une bande à chaud de magnésium
    dans lequel une masse fondue constituée d'un alliage de magnésium est coulée en continu en une ébauche de bande d'une épaisseur maximum de 50 mm, et
    dans lequel l'ébauche de bande coulée est laminée à chaud directement dans la chaude de coulée à une température initiale de laminage à chaud de 250° C minimum et de 500° C maximum en une bande à chaud d'une épaisseur finale de 4 mm maximum, une réduction d'épaisseur d'au moins 15 % étant obtenue pendant la première passe de laminage.
  2. Procédé selon la revendication 1, caractérisé en ce que la coulée de la masse fondue se fait sous gaz inerte.
  3. Procédé selon l'une des revendications 1 ou 2, caractérisé en ce que l'ébauche de bande est amenée à la température initiale de laminage avant le laminage au cours d'une égalisation de la température.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que la réduction d'épaisseur lors de la première passe de laminage s'élève à au moins 20%.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'après la première passe, la bande à chaud est fini au laminoir en continu en plusieurs passes jusqu'à l'épaisseur finale.
  6. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que le laminage se fait de façon réversible en plusieurs passes.
  7. Procédé selon l'une des revendications 5 ou 6, caractérisé en ce que la bande à chaud est dévidée sur une enrouleuse chaude et maintenu à la température de déformation au moins après la première passe.
  8. Procédé selon l'une des revendications 6 et 7, caractérisé en ce que la bande à chaud laminée à chaud de façon réversible est déroulé sur une enrouleuse chaude entre chaque passe de laminage.
  9. Procédé selon l'une des revendications 7 ou 8, caractérisé en ce que la température de déformation à laquelle la bande à chaud est maintenu sur l'enrouleuse est supérieure à 300° C.
  10. Procédé selon l'une des revendications précédentes, caractérisé en ce que le degré de déformation total obtenu par le laminage à chaud s'élève à au moins 60%.
  11. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'alliage de magnésium est un alliage corroyé contenant jusqu'à 10 % d'aluminium, jusqu'à 10 % de lithium, jusqu'à 2 % de zinc, jusqu'à 2 % de manganèse, jusqu'à 1 % de zirconium et jusqu'à 1 % de cérium.
EP01978446A 2000-10-23 2001-10-23 Procede de production d'un feuillard a chaud de magnesium Expired - Lifetime EP1330556B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10052423A DE10052423C1 (de) 2000-10-23 2000-10-23 Verfahren zum Erzeugen eines Magnesium-Warmbands
DE10052423 2000-10-23
PCT/EP2001/012201 WO2002036843A1 (fr) 2000-10-23 2001-10-23 Procede de production d'un feuillard a chaud de magnesium

Publications (2)

Publication Number Publication Date
EP1330556A1 EP1330556A1 (fr) 2003-07-30
EP1330556B1 true EP1330556B1 (fr) 2004-04-07

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EP01978446A Expired - Lifetime EP1330556B1 (fr) 2000-10-23 2001-10-23 Procede de production d'un feuillard a chaud de magnesium

Country Status (16)

Country Link
US (1) US7726383B2 (fr)
EP (1) EP1330556B1 (fr)
JP (1) JP4127505B2 (fr)
KR (1) KR100788972B1 (fr)
CN (1) CN1230571C (fr)
AT (1) ATE263849T1 (fr)
AU (2) AU1056202A (fr)
BR (1) BR0114747A (fr)
CA (1) CA2425580C (fr)
DE (2) DE10052423C1 (fr)
ES (1) ES2219568T3 (fr)
IL (2) IL155426A0 (fr)
NO (1) NO322886B1 (fr)
RU (1) RU2252088C2 (fr)
WO (1) WO2002036843A1 (fr)
ZA (1) ZA200303099B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006013607B4 (de) * 2006-03-22 2008-08-14 Thyssenkrupp Steel Ag Verfahren zum Erzeugen eines Magnesiumbands
DE102008039140A1 (de) 2008-08-21 2010-03-04 Mgf Magnesium Flachprodukte Gmbh Verfahren und Vorrichtung zum Erzeugen eines Magnesiumbands

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Publication number Priority date Publication date Assignee Title
DE10150021B4 (de) * 2001-10-11 2005-08-04 Peter Stolfig Verfahren und Vorrichtung zur Herstellung von Profilen oder Blechformteilen aus Magnesium oder Magnesiumlegierungen
AU2003900971A0 (en) * 2003-02-28 2003-03-13 Commonwealth Scientific And Industrial Research Organisation Magnesium alloy sheet and its production
DE10317080B4 (de) * 2003-04-12 2006-04-13 Peter Stolfig Verfahren zur Herstellung von Blechformteilen und Vorrichtung zur Durchführung des Verfahrens
CN100382905C (zh) * 2003-04-15 2008-04-23 彼德·施托尔菲希 制造异形板部件的方法和设备
EP1776846B1 (fr) * 2003-09-26 2013-04-10 Semiconductor Energy Laboratory Co., Ltd. Dispositif electroluminescent et son procede de fabrication
DE102004048805B3 (de) * 2004-10-07 2006-05-18 Thyssenkrupp Steel Ag Verfahren zum Herstellen von Blechen aus einer Magnesiumschmelze
DE102005052774A1 (de) * 2004-12-21 2006-06-29 Salzgitter Flachstahl Gmbh Verfahren zum Erzeugen von Warmbändern aus Leichtbaustahl
DE102006036224B3 (de) 2006-08-03 2007-08-30 Thyssenkrupp Steel Ag Fertigungslinie und Verfahren zum Erzeugen eines Magnesiumbands
DE102006036223B3 (de) 2006-08-03 2007-08-30 Thyssenkrupp Steel Ag Fertigungslinie und Verfahren zum Erzeugen eines Magnesiumbands
WO2009001516A1 (fr) * 2007-06-28 2008-12-31 Sumitomo Electric Industries, Ltd. Plaque d'alliage de magnésium
JP5264140B2 (ja) * 2007-10-16 2013-08-14 Ｉｈｉメタルテック株式会社 マグネシウム合金熱間圧延装置
TW200927315A (en) * 2007-10-16 2009-07-01 Ihi Metaltech Co Ltd Method for magnesium hot rolling and magnesium hot rolling apparatus
US20090283241A1 (en) * 2008-05-14 2009-11-19 Kai-Lu Wang Equipment for continuous casting operation
CN102335681B (zh) * 2010-07-21 2013-09-25 宝山钢铁股份有限公司 一种防止热轧带钢扁卷的卷取方法
RU2451105C1 (ru) * 2010-10-29 2012-05-20 Федеральное государственное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" Способ изготовления листов из сплава системы алюминий-магний-марганец
RU2449047C1 (ru) * 2010-10-29 2012-04-27 Федеральное государственное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" Способ получения сверхпластичного листа высокопрочного алюминиевого сплава
CN102240676B (zh) * 2011-05-11 2013-07-03 北京科技大学 一种制备高强韧、高成形性镁合金薄板带卷用的轧制装置
RU2482931C1 (ru) * 2011-11-18 2013-05-27 Открытое акционерное общество "Всероссийский институт легких сплавов" (ОАО "ВИЛС") Способ производства листов из специальных сплавов на основе магния для электрохимических источников тока
DE102011056560B4 (de) * 2011-12-16 2013-10-17 Mgf Magnesium Flachprodukte Gmbh Verfahren zur Herstellung von basaltexturarmem Magnesiumband oder -blech mit gesteigerter Kaltumformbarkeit
EP3205736B1 (fr) 2016-02-11 2018-08-22 Volkswagen AG Feuille en alliage de magnésium obtenue par coulée entre cylindres
CN107779711A (zh) * 2016-08-30 2018-03-09 江苏凤凰木业有限公司 一种镁铝合金冲压件
RU2721970C1 (ru) * 2016-09-27 2020-05-25 Новелис Инк. Нагревание с магнитным подвешиванием металла с контролем качества поверхности
DE102016221902A1 (de) 2016-11-08 2018-05-09 Volkswagen Aktiengesellschaft Blech aus einer Magnesiumbasislegierung und Verfahren zur Herstellung eines Bleches und Blechbauteils aus dieser
CN108787780A (zh) * 2017-04-26 2018-11-13 中国宝武钢铁集团有限公司 一种连挤连卷生产镁合金板带卷的生产线

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JPH06293944A (ja) * 1993-04-06 1994-10-21 Nippon Steel Corp プレス成形性に優れたマグネシウム合金薄板の製造方法
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006013607B4 (de) * 2006-03-22 2008-08-14 Thyssenkrupp Steel Ag Verfahren zum Erzeugen eines Magnesiumbands
DE102008039140A1 (de) 2008-08-21 2010-03-04 Mgf Magnesium Flachprodukte Gmbh Verfahren und Vorrichtung zum Erzeugen eines Magnesiumbands

Also Published As

Publication number Publication date
KR100788972B1 (ko) 2007-12-27
CA2425580C (fr) 2009-12-01
RU2252088C2 (ru) 2005-05-20
US7726383B2 (en) 2010-06-01
KR20030048072A (ko) 2003-06-18
EP1330556A1 (fr) 2003-07-30
NO322886B1 (no) 2006-12-18
ES2219568T3 (es) 2004-12-01
JP2004512961A (ja) 2004-04-30
DE10052423C1 (de) 2002-01-03
IL155426A (en) 2006-07-05
NO20031793D0 (no) 2003-04-22
AU1056202A (en) 2002-05-15
DE50101944D1 (de) 2004-05-13
ZA200303099B (en) 2003-11-12
JP4127505B2 (ja) 2008-07-30
CN1471591A (zh) 2004-01-28
CN1230571C (zh) 2005-12-07
AU2002210562B2 (en) 2006-04-06
IL155426A0 (en) 2003-11-23
US20040079513A1 (en) 2004-04-29
ATE263849T1 (de) 2004-04-15
WO2002036843A1 (fr) 2002-05-10
NO20031793L (no) 2003-06-23
CA2425580A1 (fr) 2003-04-10
BR0114747A (pt) 2004-02-10

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