ZA200404046B - Method for the continuous rolling of a metal bar, particularly a steel bar, which is produced at a casting speed and the cross section of which is configured as a thin slab, and corresponding continuous casting machine. - Google Patents
Method for the continuous rolling of a metal bar, particularly a steel bar, which is produced at a casting speed and the cross section of which is configured as a thin slab, and corresponding continuous casting machine. Download PDFInfo
- Publication number
- ZA200404046B ZA200404046B ZA200404046A ZA200404046A ZA200404046B ZA 200404046 B ZA200404046 B ZA 200404046B ZA 200404046 A ZA200404046 A ZA 200404046A ZA 200404046 A ZA200404046 A ZA 200404046A ZA 200404046 B ZA200404046 B ZA 200404046B
- Authority
- ZA
- South Africa
- Prior art keywords
- fact
- accordance
- strand
- rolling
- casting machine
- Prior art date
Links
- 238000005096 rolling process Methods 0.000 title claims description 45
- 238000005266 casting Methods 0.000 title claims description 34
- 238000009749 continuous casting Methods 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 18
- 229910000831 Steel Inorganic materials 0.000 title claims description 5
- 239000002184 metal Substances 0.000 title claims description 5
- 239000010959 steel Substances 0.000 title claims description 5
- 238000005452 bending Methods 0.000 claims description 16
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000000265 homogenisation Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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
- B22D11/1226—Accessories for subsequent treating or working cast stock in situ for straightening 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
- B21B2015/0014—Cutting or shearing the product transversely to the rolling direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/14—Soft reduction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B41/00—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters
- B21B41/08—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters without overall change in the general direction of movement of the work
Description
: . SE Co
TRANSLATION (HM-581PCT) :
PCT/EP03/00,831
METHOD FOR THE CONTINUOUS ROLLING OF A METAL STRAND,
ESPECIALLY A STEEL STRAND, WHICH IS PRODUCED AT
CASTING SPEED AND HAS THE CROSS-SECTIONAL
DIMENSIONS OF A THIN SLAB, AND CORRE-
SPONDING CONTINUOUS CASTING MACHINE
The invention concerns a method for the continuous rolling of a metal strand, especially a steel strand, which is produced at casting speed, has the cross-sectional dimensions of a thin slab, is bent during cooling, straightened, cut to length as required, and after homogenization of the temperature, introduced into a first rolling stand to be rolled. The invention also concerns a corresponding continuous casting machine.
A method of this type is used for so-called thin slabs, which have a cast thickness of about 50-90 mm and are rolled out into strips. Compared to conventional continuous casting plants and rolling trains, significant amounts of energy and labor can be saved. Two different methods are preferably used for this purpose, but they are both aimed at the same result. In one method, a thin slab with a thickness of 90 mm is cast and then . reduced to a thickness of 15 mm in several rolling stages. The cooling that occurs during the thickness reduction is compensated by a suitably long induction heating station. The thin slab is then coiled and placed in a holding furnace. A coil can then be uncoiled and rolled in a hot rolling mill. In a second method, a funnel mold is used, which forms a thin slab of about 50 mm. The outlet of the so-called CSP process (= compact strip production) is a cut-to-length unit, in which the cast slabs are cut to length, after which the individual lengths are placed in a soaking furnace for homogenization of the slab temperature. A temporary shutdown of the rolling train is compensated by the soaking furnace, in which the individual lengths remain. Furthermore, the slabs can be moved at a higher speed than the casting speed, so that spaces are present between the slabs. In addition, an additional furnace length is provided as a buffer interval. During a shutdown of the rolling mill, the casting machine can continue to operate until these gaps are filled.
The demand is determined, e.g., by the roll service life or, when the casting speed differs from the rolling speed, by the furnace length (so-called semicontinuous rolling). ; The design of the casting machine must be adapted to the rolling principle. Subsequent modifications, such as changing over to continuous rolling, otherwise necessitate large structural changes in the casting machine that extend all the way down to the foundation of the installation. .
The objective of the invention is to design the continuous casting plant right from the start in such a way that the rolling method can also be subsequently changed. The goal is thus to be able later to also use continuous rolling with the existing continuous casting machine. oo
In accordance with the invention, this objective is achieved by a method in which a vertically cast and solidifying strand with a guide length that is adjusted to the casting speed is supported, bent, and straightened in one or more segments and guided in a loop, which is supported from below, into a straightening driver, which is positioned at a distance approximately equal to the length of the loop, before being cut to length. The advantage of such a loop is that it serves as a buffer, which makes it possible to compensate speed differences between the continuous casting and the rolling in a continuous rolling process. In the vertical strand guide, provisions are } made for the addition of a segment to lengthen the strand support for higher casting speeds.
The Loop can be controlled according to the required rolling speed.
In accordance with other features, casting can be carried out at casting speeds of about 8-12 m/min due to the greater supported length.
The indicated method makes it possible to produce a thin slab with a solidified thickness of 50-70 mm.
It is also advantageous that the cast strand is bent and straightened at the outlet of the loop. This takes into account variable slack of the loop on the basis of a changing entry angle.
In this regard, it is also advantageous that when the casting speed is raised to the rolling feed speed of the first rolling stand, the thin slab is subjected to an initial pass down to a thickness of about 50 mm.
In accordance with another alternative, continuous rolling can also be practiced in such a way that at a casting thickness greater than 50 mm, e.g., 60 to 70 mm, the desired rolling \
thickness is reduced by LCR (liquid core reduction) to such an . extent that complete solidification is completed in the existing strand support without lengthening. In this case as well, measures can be taken for a suitable loop for casting/rolling speed equalization.
The corresponding continuous casting machine, which is connected in front of a rolling train for continuous rolling and on which a metal strand, especially a steel strand, with the cross-sectional dimensions of a thin slab can be cast, wherein a vertical strand support is provided, which is adjusted to the casting speed and is followed by at least a bending driver, a straightening driver, a cut-to-length line, a continuous-type furnace, and the first rolling stand, is designed for continuous rolling by providing a free space that extends downward approximately from the zero level between the bending driver and the straightening driver, and by installing a roller section in this free space, which can be raised and lowered and which is provided in a lowest position for a maximum loop of the cast strand. The advantages of purely vertical, symmetrical solidification are preserved, and the use of the dummy bar system is retained.
Additional features provide that the formation of the loop } and thus the casting/rolling speed equalization are controlled by the straightening driver.
It is also advantageous for the continuous casting mold that is used to be a CSP funnel mold.
The continuous casting machine can be prepared for higher casting speeds by making it possible to install at least one additional support segment with increasing casting speed.
In the event of a subsequent change in the rolling strategy, it is advantageous if the bending driver is initially installed on a separate support structure.
The dummy bar system can be used in existing plants. Thus, it is advantageous in vertical casting machines to be able to withdraw a dummy bar vertically downward.
Depending on the type of plant, an alternative consists in being able to withdraw the dummy bar upward to the zero level behind the straightening driver.
To this end, it is also advantageous to provide a transversely movable auxiliary roller table for the dummy bar and the dummy bar head at the zero level.
Additional features are derived from the provision, in the area of the bending driver, of a cutting torch, which can be . moved out for emergency cutting.
Embodiments of the invention are illustrated in the drawings and described in greater detail below. -- Figure 1 shows a longitudinal section through a casting- rolling plant for continuous rolling. -- Figure 2 shows a partial view of a vertical continuous casting machine with short strand support for single-slab ~ operation, in which the bending driver is supported. -- Figure 3 shows the same partial view for the continuous operation with lengthened strand guide and the driver on the foundation. | .The continuous casting machine 1 is a vertical casting machine, from which the cast strand 2 is drawn off vertically : from the continuous casting mold (not shown) and is completely cooled in a strand support 3 between a series of pairs of strand containment rolls 3a, and during this process the cast strand 1 completely solidifies. Driving power is transmitted to the cast strand by at least two pairs of drive rolls 3b. Below the pairs of drive rolls 3b, there is a bending roll 4, which bends the cast slab 2 from the vertical, thereby uncoupling the slab 2 and the dummy bar 15. The support roll 5 acts to steady and support ) the strand during uncoupling and later serves as a support point or unrolling point of the cast slab 2 in the bend. In the further course of the strand, a free space 10 is formed in the foundation. At the end of the free space in the direction of flow of the cast strand, there is a straightening driver 6, which takes up the cast strand 2 and straightens it horizontally. The straightening driver 6 is followed by a cut- to-length line 7, which, as shown, can consist of a shear 7a, and thereafter the cast slab strand 2 or the cut lengths of cast strand travel into a continuous-type furnace 8 for temperature homogenization and adjustment of the rolling temperature. For continuous rolling, the straightening driver 6 stands on the zero level 9, on which it also stands for rolling of single slabs, position 17. During the changeover to continuous rolling, the straightening driver 6 can be moved to create the free space 10 for the loop 11.
Between the straightening driver 6 and the continuous casting machine 1, the cast slab 2 forms a loop 11 during continuous rolling to allow speed equalization between the casting speed and the rolling speed. The loop 11 is supported by means of a roller section 12 that can be raised and lowered. . Another support segment 13 has been installed for high casting speeds of, for example 8-12 m/min.
To allow subsequent lengthening of the strand support 3, the bending driver 3b, 4 is initially placed on a special support structure 14. In this regard, in a design that has proven effective, the dummy bar 15 is driven vertically past the bending roll 5 and held by dummy bar drive rolls 18 and brought out of the casting line through dummy bar guides 19 and 20 (Figure 2).
In a standard CSP plant (see Figure 2), in which the free space 10 is already included in the plan, the strand support 3 is set for the presently customary casting speed of, e.g., 6 m/min, at a height of, e.g., 10 m. The bending driver 4 which follows is located, together with the drive rolls 3b, on the support structure 14. An additional support segment 13 is installed for the conversion to continuous rolling in order to operate at higher casting speeds. The bending driver 3b, 4, the support roll 5, and the dummy bar withdrawal system are shifted downward and then rest on the foundation, as shown in Figure 3.
The straightening driver 6 is moved out of position 17, which is shown with broken lines (Figure 1), towards the cut-to-length , line 7. This creates the space for the loop 11, which makes it possible to equalize the speed difference between casting and rolling.
Below the pairs of drive rolls 3b, in the area of the bending driver 4, a cutting torch 16 can be installed for emergency cutting.
List of Reference Numbers
’ 1 continuous casting machine 2 cast slab / cast strand 3 strand support
3a pairs of strand containment rolls 3b drive rolls 4 bending roll support roll | : 6 straightening driver 7 cut-to-length line 7a shear 8 continuous- type furnace 9 zero level free space 11 loop 12 roller section that can be raised and lowered 13 support segment 14 support structure
) 15 dummy bar 16 cutting torch 17 earlier position of the straightening driver 18 dummy bar drive rolls 19 dummy bar guide dummy bar rest position
Claims (16)
1. Method for the continuous rolling of a metal strand, ) especially a steel strand, which is produced at casting speed, has the cross-sectional dimensions of a thin slab, is bent during cooling, straightened, cut to length as required, and oo "after homogenization of the temperature, introduced into a first rolling stand to be rolled, characterized by the fact that a vertically cast and solidifying strand with a guide length that is adjusted to the casting speed is supported, bent, and straightened in one or more segments and guided in a loop, which is supported from below, into a straightening driver, which is positioned at a distance approximately equal to the length of the loop, before being cut to length.
2. Method in accordance with Claim 1, characterized by the fact that the loop is controlled in the straightening section or sections.
3. Method in accordance with Claim 1 or Claim 2, characterized by the fact that the strand is cast at a casting speed of 8-12 m/min.
4, Method in accordance with any of Claims 1 to 3, ; characterized by the fact that a thin slab with a solidified thickness of 50-70 mm 1s produced.
5. Method in accordance with any of Claims 1 to 4, characterized by the fact that the cast strand is bent and B straightened at the outlet of the loop, :
6. Method in accordance with any of Claims 1 to 5, characterized by the fact that, when the casting speed is raised to the rolling feed speed of the first rolling stand, the thin slab is subjected to an initial pass down to a thickness of about 50 mm.
7. Method in accordance with any of Claims 1 to 6, characterized by the fact that, at a casting thickness greater than 50 mm, the desired rolling thickness is reduced by liquid core reduction to such an extent that complete solidification is completed in the existing strand support without lengthening.
8. Continuous casting machine which is connected in front of 2 rolling train and on which a metal strand, especially a steel strand, with the cross-sectional dimensions of a thin slab can be cast, wherein a vertical strand support is provided, which is adjusted to the casting speed and is followed by at least a bending driver, a straightening driver, a cut-to-length ] line, a continuous-type furnace, and the first rolling stand, characterized by the fact that a free space (10) that extends downward approximately from the zero level (9) is provided between the bending driver (4) and the straightening driver (6), BN and a roller section (12), which can be raised and lowered and which is provided in a lowest position for a maximum loop (11) of the cast strand (2), is installed in this free space.
9. Continuous casting machine in accordance with Claim 8, characterized by the fact that the formation of the loop (11) and thus the casting/rolling speed equalization are controlled by the straightening driver (6).
10. Continuous casting machine in accordance with Claim 8 or Claim 9, characterized by the fact that the continuous casting mold that is used is a CSP funnel mold.
11. Continuous casting machine in accordance with any of Claims 8 to 10, characterized by the fact that at least one additional support segment (13) can be installed with increasing casting speed.
12. Continuous casting machine in accordance with any of . Claims 8 to 11, characterized by the fact that the bending ] driver (4) is initially installed on a separate support structure (14).
13. Continuous casting machine in accordance with any of Claims 8 to 12, characterized by the fact that a dummy bar (15) can be withdrawn vertically downward.
14. Continuous casting machine in accordance with any of Claims 8 to 12, characterized by the fact that the dummy bar (15) can be withdrawn upward to the zero level (9) behind the straightening driver (6).
15. Continuous casting machine in accordance with any of Claims 8 to 14, characterized by the fact that a transversely movable auxiliary roller table for the dummy bar (15) and the dummy bar head is provided at the zero level.
16. Continuous casting machine in accordance with any of Claims 8 to 15, characterized by the fact that a cutting torch (16), which can be moved out for emergency cutting, is provided in the area of the bending driver (4).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10206243A DE10206243A1 (en) | 2002-02-15 | 2002-02-15 | Process for the continuous rolling of a metal strand, in particular a steel strand, which is dimensioned as a thin slab and has a casting speed, and associated continuous casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200404046B true ZA200404046B (en) | 2005-04-07 |
Family
ID=27634967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200404046A ZA200404046B (en) | 2002-02-15 | 2004-05-25 | Method for the continuous rolling of a metal bar, particularly a steel bar, which is produced at a casting speed and the cross section of which is configured as a thin slab, and corresponding continuous casting machine. |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US20050167076A1 (en) |
| EP (1) | EP1474252B1 (en) |
| JP (1) | JP4447922B2 (en) |
| KR (1) | KR100971901B1 (en) |
| CN (1) | CN1283379C (en) |
| AT (1) | ATE355138T1 (en) |
| AU (1) | AU2003206789A1 (en) |
| CA (1) | CA2474973C (en) |
| DE (2) | DE10206243A1 (en) |
| ES (1) | ES2280727T3 (en) |
| RU (1) | RU2310529C2 (en) |
| UA (1) | UA84128C2 (en) |
| WO (1) | WO2003068425A1 (en) |
| ZA (1) | ZA200404046B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITRM20050523A1 (en) * | 2005-10-21 | 2007-04-22 | Danieli Off Mecc | PROCESS AND PLANT FOR THE PRODUCTION OF METAL TAPES. |
| DE102007005778A1 (en) * | 2006-03-09 | 2007-09-13 | Sms Demag Ag | Continuous casting plant and method for operating a continuous casting plant |
| ITRM20070150A1 (en) * | 2007-03-21 | 2008-09-22 | Danieli Off Mecc | PROCESS AND PLANT FOR THE PRODUCTION OF METAL TAPES |
| US20120024434A1 (en) * | 2008-12-09 | 2012-02-02 | Rolf Franz | Method for producing strips of metal, and production line for performing the method |
| DE102010050647A1 (en) * | 2009-11-21 | 2011-05-26 | Sms Siemag Aktiengesellschaft | Plant and method for casting and rolling metal |
| AT509831B1 (en) * | 2010-04-30 | 2012-03-15 | Siemens Vai Metals Tech Gmbh | METHOD AND DEVICE FOR MINIMIZING THE STRAP TRAIN OF A ROLL |
| DE102010028922A1 (en) * | 2010-05-12 | 2011-11-17 | Siemens Aktiengesellschaft | A method of adjusting a tension for a metal belt passing through a plant, control and / or regulating device for a metal belt processing plant, and plant for processing metal strip |
| DE102012201395A1 (en) * | 2012-02-01 | 2013-08-01 | Sms Siemag Ag | Process for continuous casting of a metallic strand in a continuous casting plant and continuous casting plant |
| DE102012013425A1 (en) * | 2012-07-03 | 2014-01-09 | Salzgitter Flachstahl Gmbh | Continuous strip casting and rolling plant |
| AT522265B1 (en) * | 2019-03-06 | 2021-12-15 | Primetals Technologies Austria GmbH | MODIFICATION OF A CONTINUOUS CASTING PLANT FOR BILLETS OR BLOCKS |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3861456A (en) * | 1971-08-24 | 1975-01-21 | United States Steel Corp | Mechanism for controlling forces on a strand as it solidifies |
| JPS58173005A (en) * | 1982-04-02 | 1983-10-11 | Kawasaki Steel Corp | Endless rolling method |
| JPS63309306A (en) * | 1987-06-11 | 1988-12-16 | Hitachi Ltd | Device and method for rolling of continuously cast billet |
| JPS6483353A (en) * | 1987-09-24 | 1989-03-29 | Hitachi Ltd | Passing through apparatus for thin cast slab |
| AT392029B (en) * | 1988-02-01 | 1991-01-10 | Hulek Anton | CONTINUOUS CASTING SYSTEM FOR CONTINUOUS STEEL |
| US5503217A (en) * | 1990-07-23 | 1996-04-02 | Davy Mckee (Sheffield) Limited | Method of manufacturing metal strip |
| DE19731124C1 (en) * | 1997-07-19 | 1999-01-21 | Schloemann Siemag Ag | Method and device for producing coated hot and cold strip |
| JP4542247B2 (en) * | 2000-08-08 | 2010-09-08 | キャストリップ・リミテッド・ライアビリティ・カンパニー | Strip continuous casting apparatus and method of using the same |
-
2002
- 2002-02-15 DE DE10206243A patent/DE10206243A1/en not_active Withdrawn
-
2003
- 2003-01-28 ES ES03704481T patent/ES2280727T3/en not_active Expired - Lifetime
- 2003-01-28 KR KR1020047008396A patent/KR100971901B1/en not_active IP Right Cessation
- 2003-01-28 AU AU2003206789A patent/AU2003206789A1/en not_active Abandoned
- 2003-01-28 AT AT03704481T patent/ATE355138T1/en not_active IP Right Cessation
- 2003-01-28 RU RU2004127595/02A patent/RU2310529C2/en not_active IP Right Cessation
- 2003-01-28 UA UA20040907497A patent/UA84128C2/en unknown
- 2003-01-28 DE DE50306657T patent/DE50306657D1/en not_active Expired - Lifetime
- 2003-01-28 JP JP2003567601A patent/JP4447922B2/en not_active Expired - Fee Related
- 2003-01-28 EP EP03704481A patent/EP1474252B1/en not_active Expired - Lifetime
- 2003-01-28 WO PCT/EP2003/000831 patent/WO2003068425A1/en active IP Right Grant
- 2003-01-28 CA CA2474973A patent/CA2474973C/en not_active Expired - Fee Related
- 2003-01-28 CN CNB038038803A patent/CN1283379C/en not_active Expired - Fee Related
- 2003-01-28 US US10/503,873 patent/US20050167076A1/en not_active Abandoned
-
2004
- 2004-05-25 ZA ZA200404046A patent/ZA200404046B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US20050167076A1 (en) | 2005-08-04 |
| EP1474252A1 (en) | 2004-11-10 |
| CN1633341A (en) | 2005-06-29 |
| DE50306657D1 (en) | 2007-04-12 |
| WO2003068425A1 (en) | 2003-08-21 |
| RU2310529C2 (en) | 2007-11-20 |
| CN1283379C (en) | 2006-11-08 |
| JP4447922B2 (en) | 2010-04-07 |
| AU2003206789A1 (en) | 2003-09-04 |
| ES2280727T3 (en) | 2007-09-16 |
| KR100971901B1 (en) | 2010-07-23 |
| KR20040076862A (en) | 2004-09-03 |
| RU2004127595A (en) | 2005-04-20 |
| JP2005522327A (en) | 2005-07-28 |
| CA2474973A1 (en) | 2003-08-21 |
| DE10206243A1 (en) | 2003-08-28 |
| EP1474252B1 (en) | 2007-02-28 |
| UA84128C2 (en) | 2008-09-25 |
| ATE355138T1 (en) | 2006-03-15 |
| CA2474973C (en) | 2010-09-21 |
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