EP1218128B1 - Cylindre de coulee continue de bande metallique comprenant un circuit de refroidissement - Google Patents

Cylindre de coulee continue de bande metallique comprenant un circuit de refroidissement Download PDF

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Publication number
EP1218128B1
EP1218128B1 EP00966280A EP00966280A EP1218128B1 EP 1218128 B1 EP1218128 B1 EP 1218128B1 EP 00966280 A EP00966280 A EP 00966280A EP 00966280 A EP00966280 A EP 00966280A EP 1218128 B1 EP1218128 B1 EP 1218128B1
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EP
European Patent Office
Prior art keywords
collectors
body according
evacuation
distribution
conduits
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
EP00966280A
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German (de)
English (en)
French (fr)
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EP1218128A1 (fr
Inventor
Jacques Griffon
Claude Breysse
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.)
Constellium Issoire SAS
Original Assignee
Pechiney Rhenalu SAS
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Publication date
Application filed by Pechiney Rhenalu SAS filed Critical Pechiney Rhenalu SAS
Priority to SI200030122T priority Critical patent/SI1218128T1/xx
Publication of EP1218128A1 publication Critical patent/EP1218128A1/fr
Application granted granted Critical
Publication of EP1218128B1 publication Critical patent/EP1218128B1/fr
Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0637—Accessories therefor
    • B22D11/068—Accessories therefor for cooling the cast product during its passage through the mould surfaces
    • B22D11/0682—Accessories therefor for cooling the cast product during its passage through the mould surfaces by cooling the casting wheel
    • 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
    • B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
    • B22D11/003—Aluminium alloys

Definitions

  • the invention relates to the continuous casting of metal strips, in particular aluminum or aluminum alloy.
  • the invention particularly relates to a continuous metal strip casting roll cooling circuit in particular to reduce the oval (or false round) thermal appearing in said cylinders in use.
  • Continuous casting of metal strip usually contains at least two cylinders (1A and 1B) identical face to face, separated by a space (or gap) E of the thickness of the metal strip to be produced and turning in the opposite direction one of the other.
  • the metal (2) is fed, in the liquid state, on one side of the space with the aid of a injector (6), while the strip (3) leaves the other side at its nominal thickness Eo.
  • the metal solidifies between the two cylinders, at what is known as the solidification front name (5).
  • Figure 2 gives the general structure of a cylinder of the state of the art.
  • the Figure 2a) corresponds to a cross-sectional representation in the area of rolling (20), that is to say in the part of the cylinder which comprises the hoop.
  • the figure 2b) corresponds to a representation in longitudinal section along the plane of section I-I ' of Figure 2a).
  • a cylinder (1) typically comprises a cylindrical body (10) which in its part central, is surrounded by a band (11) intended to receive the molten metal and serving rolling the strip, and cooling means. It is indeed necessary to effectively cool the rolls during the rolling operation.
  • Cooling is usually done using a coolant, typically water, circulating in at least one cooling circuit (12) located inside the cylinder body (10).
  • This circuit includes at least a first conduit (13) for supplying cold water (F) and at least one second conduit (14) for the evacuation of the heated water (C).
  • These conduits present themselves essentially in the form of blind holes parallel to the axis (4) of the cylinder which open at one end, the other end being closed, and extending over the entire length of the band (11).
  • a plurality of radial tubes (15, 16) more small diameter connects each duct (13, 14) to a corresponding manifold (17, 18) which takes the form of a groove located just below the inner surface of the hoop (11) and disposed parallel to the axis (4) of the cylinder.
  • the collectors (17, 18) are connected to a plurality of annular channels (19) located just below the hoop (11) in a plane transverse to the axis (4) of the cylinder. Ring channels and collectors are generally machined at the peripheral surface of the cylinder body (10).
  • Figure 3 illustrates the alternation, in the sense periphery, manifolds for feeding and evacuating the cylinder bodies of the prior art (only a few annular channels (19) have been shown in order to lighten the figure).
  • each radial tube simultaneously feeds 5 channels separate rings.
  • the cooling water is injected into the circuit via the water supply ducts cold (131, 132, ...), is distributed in distribution manifolds (171, 172, %) by via the first radial tubes (151, 152, ...), comes into thermal contact with the collar at the right of the collectors (171, 172, ...) and the annular channels (19), thus ensuring its cooling, is then collected by collectors discharge (181, 182, %) via the second radial tubes (161, 162, ...), and is evacuated through the exhaust ducts (141, 142, ). Arrows of Figures 2a) and 2b) indicate the flow direction of the cooling fluid.
  • the cylinders comprise an identical number of circuits supplying cold water and circuits for discharging the heated water.
  • the number of pairs of supply and discharge ducts is typically two, three or four. These ducts, and the corresponding channels, are arranged symmetrically in the cylinder body.
  • the case illustrated in Figure 2 includes two pairs of circuits which are arranged alternately and which are shifted by 90 °. In the In the case of three or four pairs of circuits, the offset is respectively 60 ° or 45 °.
  • Temperature heterogeneity also modifies the heat exchange coefficient between the metal and the hoop, which produces a variation of the thickness even in the absence of deformation of the cylinder.
  • the plaintiff has therefore sought effective means, easy to achieve or implemented and inexpensive, which allow to eliminate or minimize the temperature differences in the cylinder, so as to improve the quality and regularity thickness of the casting tape.
  • the continuous casting machine cylinder body according to the invention is suitable for carrying in its central part, called the rolling zone, a cylindrical hoop and comprises a cooling circuit, which circuit comprises at least one duct for supplying cooling fluid, at least one discharge pipe of the cooling fluid, at least one distribution manifold, at least one exhaust manifold, at least one distribution tube connecting each manifold to the corresponding conduit, and a plurality of annular channels connecting the collectors supply and discharge, said collectors and annular channels used to put the cooling fluid circulating in said circuit in contact with the inner surface of the hoop so as to cool it, and is characterized in that the collectors are arranged so as to produce an alternation, both in the direction periphery and in the longitudinal direction, of distribution manifolds and evacuation collectors.
  • the applicant has indeed had the idea to modify the internal cooling circuit cylinders so as to allow an alternation, preferably close, of the zones for the arrival of cold fluid F and zones for evacuating the heated fluid C, in the two directions of the surface of the hoop, that is to say both in the direction peripheral and in the longitudinal direction.
  • the collectors are presented under the shape of grooves, the length of which is significantly less than the length Lf of the fret, which are aligned on equidistant generatrices angularly and which are connected to the supply and exhaust ducts so as to produce a regular network layout, or checkerboard, collectors.
  • the invention also relates to a continuous casting machine cylinder comprising a hoop and a cylinder body according to the invention.
  • the invention also relates to a continuous casting machine comprising at least a cylinder according to the invention.
  • the invention also relates to a method of cooling casting rolls continuously in which the direction of circulation of the fluid of cooling circulating in at least one cylinder of the invention.
  • Figure 1 schematically shows the basic elements of a machine continuous casting.
  • Figure 2 illustrates a continuous casting machine cylinder of the prior art.
  • FIG. 3 represents flat, for a cylinder of the prior art, the part of the surface the cylinder body located under the hoop (rolling zone).
  • FIG. 4 is a flat representation, for a cylinder body according to the invention, of the part of the surface of the cylinder body located under the hoop (rolling zone).
  • FIG. 5 shows two cross sections of a cylinder body according to FIG. the invention passing through the distribution tubes (planes I-I 'and II-II' of Figure 4).
  • FIG. 6 represents two longitudinal sections of a cylinder body according to FIG. the invention (plans I-I 'and II-II' of Figure 5).
  • distribution manifolds and supply ducts are also designated collectively by the generic references of Figure 6.
  • the distribution manifolds (7101, 7102, 7103, ...) can be identified collectively by reference (70)
  • the conduits (31, 32, 33, ...) can be identified collectively by the reference (30).
  • the continuous casting machine cylinder body (110) is suitable for carry in its central part, said rolling zone (20), a cylindrical hoop (111) and comprises a cooling circuit (200), said circuit comprising at least a cooling fluid supply duct (30), at least one duct for discharging the cooling fluid (40), at least one distribution manifold (70), at least one exhaust manifold (80), at least one distribution tube (50, 60) connecting each collector to the corresponding conduit, and a plurality of channels annuli (90) connecting the supply and the evacuation manifolds, collectors and annular channels used to put the coolant which circulates in said circuit in contact with the inner surface of the ferrule (111) of coolant, and is characterized in that the collectors (70, 80) are arranged in such a way as to produce alternation, both in the peripheral and in the longitudinal direction, distribution manifolds (70) and collectors evacuation device (80).
  • the collectors are arranged under the surface of the hoop so as to be able to form, for example, sequences 70/80/70/80 ... both in the direction peripheral and in the longitudinal direction.
  • the number of distribution manifolds (70) is at least 2 and the number of collectors discharge (80) is at least 2.
  • the number of supply and exhaust ducts is preferably even (and typically equal to 2, 4 or 6), which makes it possible, when the use, a number of supply ducts equal to the number of ducts discharge.
  • the supply and exhaust ducts can be arranged alternately on a circle (in cross section); it is the same with collectors connected to them.
  • the number Na of supply ducts (30) is preferably equal to the number Ne of exhaust ducts (40).
  • the total number of collectors is an integer multiple M of the number total of ducts. More specifically, it is advantageous that the number of collectors of distribution is an integer multiple M of the number of supply ducts and that the number of evacuation collectors is the same integer multiple M of the number of exhaust ducts, where M is greater than or equal to 2.
  • M is greater than or equal to 2.
  • the supply (30) and exhaust (40) conduits are separate and separate.
  • the ducts are preferably in the form of substantially blind holes parallel to the axis (4) of the cylinder, which open at one end, the other end being closed, and which extend over substantially the entire length of the fret (111). It is also advantageous to distribute the conduits (30, 40) symmetrically around the axis (4) of the cylinder.
  • the ducts (30, 40) are of preferably at the same distance from the axis (4).
  • the circuit according to the invention may comprise any number of pairs of supply and exhaust ducts.
  • the circuit according to the invention preferably comprises at least two pairs of feed ducts and evacuated at an angle ⁇ equal to 360 ° / N, where N is the total number of ducts. For example, if the circuit includes three supply ducts and three exhaust ducts, then N will be equal to 6 and the angle ⁇ will be 60 °.
  • the collectors (70, 80) typically take the form of an elongate groove located just below the inner surface (113) of the hoop (111) and whose major axis is preferably substantially parallel to the axis (4) of the cylinder.
  • the number of collectors each path, which is at least 2, is determined according to the the length of the hoop so as to allow efficient homogenization of the temperature at the outer surface (112) of the hoop.
  • the collectors (70, 80) are of much shorter length than the one (Lf) of the fret (111), and more precisely of length at most equal to about half of that of the fret. According to the preferred embodiment of the invention, the collectors (70, 80) have substantially the same length Lc.
  • the collectors (70, 80) are connected to a plurality of annular channels (90) located just below the surface of the hoop (111) in planes transverse to the axis (4) of the cylinder. These channels connect each distribution manifold (70) to at least one exhaust manifold (80) and circulate coolant in contact with the inner surface (113) of the hoop (111) so as to produce a efficient cooling thereof.
  • the annular channels (90) are distributed under the surface of the hoop and are preferably equidistant in order to favor a more great homogeneity of cooling.
  • the number of annular channels is less than 2.
  • the number and section of the distribution tubes (50, 60) are adjusted to ensure a satisfactory loss of load in the circuit, a satisfactory flow in the annular channels (90) and a specific (generally uniform) distribution of the cooling fluid along the hoop.
  • the cross section of the tubes of is preferably smaller than that of the ducts.
  • the collectors advantageously form a regular network under the surface of the hoop (111), so that each distribution manifold (70) alternates with at least one exhaust manifold (80) in the longitudinal direction and in the peripheral direction.
  • the regularity of the network allows a greater mastery of the homogeneity of the temperature.
  • the collectors are preferably arranged in linear rows along a generatrix of the cylinder, that is to say in queues longitudinal.
  • the ducts (30, 40) are advantageously connected to collectors (70, 80) of different queues, and preferably connected only to collectors (70, 80) of adjacent queues.
  • the number of collector queues (70, 80) is advantageously equal to the number of ducts (30, 40), which makes it possible to simplify the circuit according to the invention.
  • the number Nc of separate collectors of a queue which is at least 2, is determined depending on the length of the hoop so as to allow homogenization effective temperature of the surface of said hoop.
  • the length Lc of each collector will then be slightly less than Lf / Nc, where Lf is the length of the fret.
  • the collectors of a line are preferably separated by a distance of between 5 and 25% of their length.
  • the number of collectors per generator is typically 10 per linear meter.
  • the cooling fluid is injected into the circuit by the supply ducts in cold fluid (30) is distributed in distribution manifolds (70) by via the first distribution tubes (50), comes into thermal contact with the hoop (111) at the right of the collectors (70) and the annular channels (90), at the right of the inner surface (113) of the hoop (111), thus ensuring its cooling, is then collected by evacuation manifolds (80) via the second distribution tubes (60), and is evacuated through the exhaust ducts (40). energy heat absorbed by the hoop at its outer surface (112), when the continuous casting operation is thus transmitted to the cooling fluid and discharged outside the cylinder by the cooling circuit.
  • the invention is particularly suitable for casting rolls whose hoop has a thickness between 20 and 100 mm.
  • the method of Continuous casting roll cooling may include the use of a cylinder according to the invention and a periodic inversion of the direction of circulation of the fluid in the cylinder circuit, that is to say that the supply ducts become periodically exhaust ducts and that the distribution manifolds also become periodically evacuation collectors, and vice versa, as described in the application FR 2 723 014.
  • the collectors (70, 80) extend only under a weak part of the hoop (111) (less than half its length) and the collectors are distributed on the surface of the cylinder body so as to form lines of collectors which are preferably aligned on a generator and which constitute a regular network of collectors.
  • Collectors located on a generator are separated angularly at an angle ⁇ relative to those of the neighboring generator.
  • Figures 4 to 6 illustrate a cooling circuit comprising three ducts three alternating evacuation pipes and 20 collectors by file.
  • the separate collectors connected to the cold fluid supply duct (31) are the collectors (7101, 7102, 7103, ..., 7120)
  • the separate manifolds connected to the cold fluid discharge duct (41) are collectors (8101, 8102, 8103, ..., 8120), etc.
  • Distribution manifolds alternate with exhaust manifolds located on the same generator and on a neighboring generator. The angle ⁇ separating two rows of collectors is then 60 °.
  • Figure 4 which gives an unfolded view of the part of the body surface of cylinder located under the hoop (corresponding to the rolling zone (20)), shows the checkerboard layout of the supply and removal manifolds of cylinder according to the preferred embodiment of the invention.
  • the letters F and C indicate the zones of arrival of cold fluid and discharge of fluid respectively warmed.
  • annular channels (90) In order to lighten the figures, only a few annular channels (90) have been illustrated.
  • the arrows P and L respectively indicate the peripheral and longitudinal.
  • the numbering of the references to the distribution manifolds (70) and evacuation (80) is matrix: the first digit (7 or 8) corresponds to the nature of the collector (supply or discharge), the second digit corresponds to the duct (30 or 40) to which the collector is connected, and the third and fourth digits correspond to the row i in which the collector is located.
  • FIG. 5 represents a cross-section of a cylinder body corresponding to this embodiment of the invention.
  • the cooling circuit can be decomposed into identical slices (or sections), as shown in Figure 5, which are repeated along of the cylinder so as to produce an alternation of the pattern of the collectors.
  • This configuration allows to connect, alternately, each supply duct or evacuation to corresponding collectors located on either side of it, to form a regular network.
  • the fineness of the mesh of this network is determined by the number of collectors and conduits.
  • the ducts are then advantageously offset angularly with respect to the corresponding manifolds so as to be located at the same distance from all collectors to which they are connected.
  • the tubes of distribution (50, 60), which connect the conduits (30, 40) to the collectors (70, 80) can be inclined at an angle ⁇ with respect to a radial axis passing through the duct or the corresponding collector.
  • FIG. 6 represents two longitudinal sections of a cylinder body according to FIG. preferred embodiment of the invention. These cuts correspond, respectively at the planes I-I 'of Figure 5a) and II-II' of Figure 5b). The arrows indicate the flow direction of the coolant.
  • the collectors (70, 80) preferably have substantially the same length Lc, which makes it possible in particular to simplify the design of the circuit cooling.
  • the Applicant believes that, with such a configuration, temperature differences the surface of the hoop should remain below 0.5 ° C compared to the maximum temperature of this surface, which may be greater than 500 ° C.
  • the gap maximum temperature is rather 4 ° C, which causes variations thickness of the 0.04 mm band due to the roundness of the cylinders.
  • the applicant also estimated the differences in flow between the channels in the case of typical cylinders comprising a hoop having a diameter of 1150 mm and a thickness of 80 mm, and a cooling circuit comprising three ducts three alternate discharge ducts substantially parallel to each other. the axis of the cylinder and angularly separated by 60 °, and six collectors arranged on 6 generators angularly separated by 60 °.
  • the invention is particularly advantageous for the manufacture of thin strips, that is to say for thicknesses less than 5 mm for which the false round of cylinder is all the more detrimental as the thickness is small.
  • the invention also has the advantage of providing more mechanical support uniformity of the fret by the presence of discontinuities in the collectors along it. This configuration improves the resistance to mechanical fatigue of the frets limiting the surface of the flexion zones.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
EP00966280A 1999-10-06 2000-10-04 Cylindre de coulee continue de bande metallique comprenant un circuit de refroidissement Expired - Lifetime EP1218128B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200030122T SI1218128T1 (en) 1999-10-06 2000-10-04 Continuous casting roll for metal strip comprising a cooling circuit

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9912655 1999-10-06
FR9912655A FR2799399B1 (fr) 1999-10-06 1999-10-06 Cylindre de coulee continue de bande metallique comprenant un circuit de refroidissement
PCT/FR2000/002755 WO2001024958A1 (fr) 1999-10-06 2000-10-04 Cylindre de coulee continue de bande metallique comprenant un circuit de refroidissement

Publications (2)

Publication Number Publication Date
EP1218128A1 EP1218128A1 (fr) 2002-07-03
EP1218128B1 true EP1218128B1 (fr) 2003-03-26

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EP00966280A Expired - Lifetime EP1218128B1 (fr) 1999-10-06 2000-10-04 Cylindre de coulee continue de bande metallique comprenant un circuit de refroidissement

Country Status (24)

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US (1) US6527042B1 (pt)
EP (1) EP1218128B1 (pt)
JP (2) JP2003523826A (pt)
KR (1) KR100698335B1 (pt)
CN (1) CN1270848C (pt)
AP (1) AP1403A (pt)
AT (1) ATE235332T1 (pt)
AU (1) AU773684B2 (pt)
BG (1) BG64171B1 (pt)
BR (1) BR0014546A (pt)
CA (1) CA2386372C (pt)
CZ (1) CZ295163B6 (pt)
DE (1) DE60001853T2 (pt)
ES (1) ES2193110T3 (pt)
FR (1) FR2799399B1 (pt)
HR (1) HRP20020391B1 (pt)
HU (1) HU224556B1 (pt)
MX (1) MXPA02003505A (pt)
NO (1) NO333275B1 (pt)
PL (1) PL196009B1 (pt)
RU (1) RU2252106C2 (pt)
TR (1) TR200200918T2 (pt)
WO (1) WO2001024958A1 (pt)
ZA (1) ZA200202644B (pt)

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US6892793B2 (en) * 2003-01-08 2005-05-17 Alcoa Inc. Caster roll
CN100335203C (zh) * 2003-01-08 2007-09-05 阿尔科公司 连铸机辊
ES2292330B1 (es) * 2003-12-10 2008-12-01 Alcoa Inc. Rodillo de colada.
CN1781623B (zh) * 2004-11-30 2012-01-11 宝山钢铁股份有限公司 连铸结晶辊制造方法
KR100648232B1 (ko) * 2005-05-23 2006-11-23 주식회사 동방플랜텍 제철설비용 가이드롤러의 냉각구조
DE102011055066A1 (de) * 2011-11-04 2013-05-08 Hydro Aluminium Rolled Products Gmbh Walze mit Kühlsystem
RU2550446C2 (ru) * 2012-07-04 2015-05-10 Актиеболагет Скф Оболочка ролика, роликовая направляющая линия и устройство для непрерывной разливки
RU2553139C2 (ru) * 2012-07-04 2015-06-10 Актиеболагет Скф Распределяющий элемент, роликовая линия и устройство для непрерывной разливки
RU2553140C2 (ru) * 2012-07-04 2015-06-10 Актиеболагет Скф Распределяющий элемент, роликовая линия и устройство для непрерывной разливки
CN106424617B (zh) * 2016-10-10 2019-03-22 中冶赛迪工程技术股份有限公司 一种铸轧铸咀
CN113263150B (zh) * 2021-06-03 2022-05-10 慈溪驰马金属制品有限公司 一种铸轧法生产金属合金带材的双辊铸轧设备

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CH429042A (de) * 1965-03-09 1967-01-31 Prolizenz Ag Walze für das Giesswalzen von Metall
CA1208877A (en) * 1982-05-17 1986-08-05 Robert A. Ramser Roll caster with isothermal shell cooling
JPH0357324Y2 (pt) * 1984-09-18 1991-12-26
FR2587247B1 (fr) * 1985-09-17 1988-08-12 Siderurgie Fse Inst Rech Cylindre pour coulee continue entre cylindres, a circulation de fluide de refroidissement
CH674166A5 (pt) 1986-12-22 1990-05-15 Lauener Eng Ag
JPH01245947A (ja) * 1988-03-28 1989-10-02 Kawasaki Steel Corp 急冷薄帯製造用ロール
US5626183A (en) * 1989-07-14 1997-05-06 Fata Hunter, Inc. System for a crown control roll casting machine
GB9100151D0 (en) * 1991-01-04 1991-02-20 Davy Distington Ltd Strip caster roll
US5651410A (en) 1991-01-04 1997-07-29 Davy Mckee (Sheffield) Limited Cooling roll
FR2723014B1 (fr) * 1994-07-29 1996-09-20 Pechiney Rhenalu Procede et dispositif de correction de l'ovalisation de cylindres de coulee continue de bande metallique

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Publication number Publication date
TR200200918T2 (tr) 2003-01-21
CA2386372A1 (fr) 2001-04-12
PL196009B1 (pl) 2007-11-30
FR2799399A1 (fr) 2001-04-13
CN1270848C (zh) 2006-08-23
MXPA02003505A (es) 2002-08-20
HRP20020391B1 (en) 2006-11-30
HUP0203440A2 (en) 2003-02-28
ES2193110T3 (es) 2003-11-01
JP2010188422A (ja) 2010-09-02
KR100698335B1 (ko) 2007-03-23
EP1218128A1 (fr) 2002-07-03
HU224556B1 (hu) 2005-10-28
JP5129837B2 (ja) 2013-01-30
CZ295163B6 (cs) 2005-06-15
HRP20020391A2 (en) 2004-04-30
NO20021602L (no) 2002-06-06
RU2252106C2 (ru) 2005-05-20
CA2386372C (fr) 2009-02-03
PL354182A1 (en) 2003-12-29
ATE235332T1 (de) 2003-04-15
BG64171B1 (bg) 2004-03-31
BR0014546A (pt) 2002-06-04
US6527042B1 (en) 2003-03-04
AP2002002487A0 (en) 2002-06-30
CN1378490A (zh) 2002-11-06
FR2799399B1 (fr) 2002-02-08
NO20021602D0 (no) 2002-04-04
CZ20021211A3 (cs) 2002-11-13
AU7672700A (en) 2001-05-10
NO333275B1 (no) 2013-04-29
BG106614A (en) 2002-12-29
AP1403A (en) 2004-04-29
DE60001853D1 (de) 2003-04-30
KR20020063874A (ko) 2002-08-05
AU773684B2 (en) 2004-06-03
ZA200202644B (en) 2003-06-25
JP2003523826A (ja) 2003-08-12
DE60001853T2 (de) 2003-12-04
WO2001024958A1 (fr) 2001-04-12

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