EP1116534A1 - Verfahren und Vorrichtung zum Verhindern einer unerwünschten Abkühlung der Bandkantenbereiche eines Gussstranges - Google Patents
Verfahren und Vorrichtung zum Verhindern einer unerwünschten Abkühlung der Bandkantenbereiche eines Gussstranges Download PDFInfo
- Publication number
- EP1116534A1 EP1116534A1 EP01100532A EP01100532A EP1116534A1 EP 1116534 A1 EP1116534 A1 EP 1116534A1 EP 01100532 A EP01100532 A EP 01100532A EP 01100532 A EP01100532 A EP 01100532A EP 1116534 A1 EP1116534 A1 EP 1116534A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strand
- spray
- nozzles
- running water
- cooling chamber
- 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
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000008569 process Effects 0.000 title abstract description 5
- 239000007921 spray Substances 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 238000009749 continuous casting Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000002631 hypothermal effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D30/00—Cooling castings, not restricted to casting processes covered by a single main group
-
- 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
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
Definitions
- the invention relates to a method and a device for preventing undesired cooling, in particular of the strip edge areas of a cast strand through with this from the bottom opening of a secondary cooling chamber escaping running water.
- a continuous caster for slabs according to DE-OS 2 208 928 at which the strand continuously from a water-cooled mold down is pulled out and guided by a support and guide device with rollers is provided that part of the cooling device of flat jet nozzles is formed, which is parallel to the surface of the strand, that is to the broad side of the Slabs are spaced from this, with their longitudinal axis parallel to the axes of the rollers. Furthermore, the well-known continuous caster before that the flat jet nozzles are arranged in the area of the slab edge and preferably on both slab edges offset from each other.
- the cooling device in the area of the deflection, that is to say about 1/3 to 2/3 of the longitudinal extent the support and guide device consists of flat jet nozzles.
- the cooling device should also be on the underside of the slab made of flat jet nozzles consist.
- DE-AS 1 558 194 describes a method and a device for cooling of a cast strand in a secondary cooling zone.
- the cast strand is cooled in zones, which are offset from one another transversely to the strand axis, with the proviso that the cooling effect in the zones of neighboring levels becomes one over the strand surface
- the cooling effect runs almost uniformly across the strand axis complete.
- DE-AS 1 289 956 discloses a secondary cooling device for straight surfaces Continuous castings. This consists of several arranged transversely to the strand axis Atomizer nozzles.
- the atomizer nozzles have a flat characteristic of the incident coolant quantity and are at such a distance of each adjacent nozzle, where the nozzle flanks are so far overlap that the cooling in the overlap area is only slightly the cooling of the surface parts lying outside the overlap deviates.
- the object of the invention is based on a method and a device suitable for carrying it out specify the way in which running water escapes from the secondary cooling chamber a continuous caster next to the strand and an accompanying one undesirable intensive hypothermia of the strand edges can be prevented can.
- the effectiveness of the method according to the invention is optimized to the extent necessary and the respective ratios of the strand production of a thin slab caster optimally considered.
- An embodiment of the method according to the invention provides that as a deflection medium Water or air or a water / air mixture is used. In order to is an even better adaptation of the process parameters to the respective Production conditions of a continuous caster reached.
- the method according to the invention provides that spray jets with flat Spray cones are generated.
- a spray jet of this form withdraws this Strand a minimum of heat, although it can't be avoided that too the strand is partially sprayed by the deflecting medium.
- Another embodiment of the method according to the invention provides that across rows partially overlapping on each side of an edge of the cast strand are generated by spray cones. This will provide complete coverage each side of an edge of the cast strand with sprays of the deflecting medium reached.
- Another embodiment of the method according to the invention provides that spray jets preferably at an angle ⁇ against the direction of the Run water are sprayed.
- the fact that the nozzles up, against the Spray towards the running water, the deflection of the running water is optimized.
- An advantageous embodiment of the method further provides that the edge areas of the cast strand at a comparatively short distance upstream sprayed into the bottom opening of the secondary cooling chamber. This makes it special favorable process parameters for the deflection of the running water from the Band edge areas achieved.
- the method according to the invention provides that the width of the line bridging arrangement of several nozzles in a row the narrow sides of a strand in accordance with changing strand width Nozzle pairs of the nozzle rows can be switched on or off. With it result spraying changeable zones in an uncomplicated and advantageous manner Band edge areas transverse to the strand axis, in accordance with the respective width of the strand.
- the invention provides that spray jets are approximately perpendicular be sprayed to the surface against band edge areas. This will be an optimal one Barrier effect against escaping running water generated without the broadsides of the strand hit in an undesirable manner by the spray jets and the strand edges are exposed to an undesirable cooling effect.
- Running water exiting from a secondary chamber comprises arranged in series Spray nozzles for generating high-energy, directed against the running water outlet Spray jets, the spray nozzles at a comparatively short distance upstream of that assigned to the cast strand on the secondary cooling chamber Bottom opening are arranged, and furthermore the spray nozzles to several in one row each in the direction of the strand width and each individually are connected to a feed line via throttle devices.
- Fig. 1 of a continuous casting plant with means for Implementation of the method according to the invention is shown in a side view, that the viewer looks at the narrow side of the cast strand 6.
- the purely schematic representation of this plant area shows the mold above 22, from which a cast strand 6 is drawn down according to arrow 21 becomes. In doing so, it runs through a strand guide that is only indicated as a black box 23 within a secondary cooling chamber, also shown as a black box 8.
- the purely schematic representation of strand guide 23 and cooling chamber 8 without specifying constructive details was for reasons of clarity chosen because it can be assumed that a specialist with the design constructive details of these elements is familiar.
- the lower area of the secondary cooling chamber 8 is the bottom 20 with the bottom opening 7, through which the strand 6 along with a stream of running water 9 down to exit.
- a supply line 24 for an out the spray nozzle 17 in the form of spray 10 emitted deflection medium At this can be water or air or a water / air mixture.
- the following is structured - in the top view of the Cooling chamber floor 20 considered - the next to the bottom opening 7 of the cooling chamber 8 for the sighted arrangement of spray nozzles 17 in an upper row of nozzles 25 and a lower row of nozzles 26.
- the spray jets 10 generated thereby individual partially overlapping spray cones 13 are oblique to the direction of travel 21 of the cast strand 6 in the area just above the cooling chamber floor 20 aligned.
- FIG. 3 in a side view with a view of the narrow side 16 of a cast strand 6 shows the spray jets 10 of the upper and lower Row of nozzles 25, 26 directed at an angle ⁇ against the direction of the running water 9. The deflection of the running water 9 is thereby optimized.
- the illustration further shows that towards the cast strand 6 and towards the bottom opening 7 sloping upward rising cooling chamber floor 20, which next to the Strand 6 keeps the bottom opening 7 open, particularly in the area thereof Flow of running water 9 is to be avoided with the help of the invention. This is achieved by the action of the high-energy spray jets 10, and by hitting the run water stream 9, the run water in the Drain openings 12 of the secondary cooling chamber on both sides of the cast strand 6 8 is derived.
- Figure 4 shows a further sectional view of the cooling chamber 8 in the sectional planes II. - II.
- Fig. 1 namely an arrangement of spray nozzles 17 in rows 15th for the formation of high-energy spray jets 10 at the belt edge regions 11 of the cast strand 6.
- the piping of the spray nozzles 17 is formed by supply lines 24, which sideways of the nozzle rows 15 each individually connected to throttling devices 1 to 5 are and in turn from a common feed line 18th going out.
- This representation shows in detail that the width of the Stranges 6 bridging arrangement, with several rows of nozzles 15 Narrow side areas 16 of the strand 6, individual pairs of nozzles 1, 1 '; 2, 2 '; 3, 3 '; etc. of the nozzle rows 15 in accordance with changing strand widths 19 or be switched off.
- band edge areas 11 can step by step the respective Be adapted to the circumstances.
- the illustration also shows the bottom opening 7 in the bottom of the cooling chamber 20.
- the variable width sections of the cast strand 6 are designated, which indicate a gradual change in the strand width.
- FIG. 5 shows an enlarged view and also a top view on a section along the plane II. - II. in Fig. 1 further functional elements, namely the strand 6, the bottom chamber 7, the cooling chamber bottom 20, the running water outlet 9 to be prevented in the area of the belt edges 11, and the arrangement of rows of nozzles 15 with spray nozzles 17.
- the supply lines to the nozzles 17 are identified overall by the reference number 24.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
Description
- Figur 1
- eine Seitenansicht einer Stranggießanlage umfassend eine Sprühvorrichtung nach der Erfindung in schematischer Darstellung;
- Figur 2
- im Schnitt einer Schnittebene II. - II. in Fig. 1 die Draufsicht auf einen Kühlkammerboden;
- Figur 3
- eine Seitenansicht eines aus der Kühlkammer austretenden Stranges mit einer erfidungsgemäßen Sprühvorrichtung;
- Figur 4
- im Schnitt der Ebene II. - II. in Fig. 1 eine Draufsicht auf den Kühlkammerboden mit einer Anordnung von mehreren Sprühdüsen und deren Verrohrung;
- Figur 5.
- im Schnitt der Ebene II. - II. in Figr.1 eine weitere Draufsicht auf einen Kühlkammerboden mit in Reihen angeordneten Sprühdüsen.
- 1.
- Drosselvorrichtung
- 2.
- Drosselvorrichtung
- 3.
- Drosselvorrichtung
- 4.
- Drosselvorrichtung
- 5.
- Drosselvorrichtung
- 6.
- Gußstrang
- 7.
- Bodenöffnung
- 8.
- Sekundärkühlkammer
- 9.
- Laufwasser
- 10.
- Sprühstrahlen
- 11.
- Bandkantenbereich
- 12.
- Ablauföffnung
- 13.
- Sprühkegel
- 14.
- Kante
- 15.
- Reihe
- 16.
- Schmalseite
- 17.
- Sprühdüsen
- 18.
- Speiseleitung
- 19.
- Breitenabschnitte, variabel
- 20.
- Kühlkammerboden
- 21.
- Strangabzugsrichtung
- 22.
- Kokille
- 23.
- Strangführung
- 24.
- Zufuhrleitung
- 25.
- obere Düsenreihe
- 26.
- untere Düsenreihe
Claims (12)
- Verfahren zum Verhindern einer unerwünschten Abkühlung insbesondere der Bandkantenbereiche (11) eines Gußstranges (6) durch mit diesem aus der Bodenöffnung (7) einer Sekundarkühlkammer (8) austretendes Laufwasser (9),
dadurch gekennzeichnet,
daß energiereiche Sprühstrahlen (10) eines Ablenkmediums erzeugt und bevorzugt quer zu den Bandkantenbereichen (11) gegen den Laufwasseraustritt gerichtet werden, derart, daß das Laufwasser (9) von den Bandkantenbereichen (11) abgelenkt und in beiderseitig vom Gußstrang (6) vorhandene Ablauföffnungen (12) der Sekundärkühlkammer (8) abgeleitet wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
daß als Ablenkmedium Wasser oder Luft oder ein Wasser-/Luftgemisch verwendet wird. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß Sprühstrahlen (10) mit flachen Sprühkegeln (13) erzeugt werden. - Verfahren nach einem oder mehreren der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß quer zu jeder Seite einer Kante (14) des Gußstranges (6) sich teilweise überschneidende Reihen (15) von Sprühkegeln (13) erzeugt werden. - Verfahren nach einem oder mehreren der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß Sprühstrahlen (10) bevorzugt in einem Winkel (α) gegen die Laufrichtung des Laufwassers (9) gesprüht werden. - Verfahren nach einem oder mehreren der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
daß die Kantenbereiche (11) des Gußstranges (6) in vergleichsweise geringem Abstand stromaufwärts der Bodenöffnung (7) der Sekundärkühlkammer (8) besprüht werden. - Verfahren nach einem oder mehreren der Ansprüche 1 bis 6,
dadurch gekennzeichnet,
daß bei einer die Breite aus Stranges (6) überbrückenden Anordnung jeweils mehrerer Düsen in Reihe (15), an den Schmalseiten (16) eines Stranges (6) nach Maßgabe wechselnder Strangbreite (b bzw. B) einzelne Düsenpaare (1, 1'; 2, 2'; 3, 3'; ect.) der Düsenreihen (15) zu- oder abgeschaltet werden. - Verfahren nach einem oder mehreren der Ansprüche 1 bis 7,
dadurch gekennzeichnet,
daß Sprühstrahlen (10) annähernd senkrecht zur Strangoberfläche gegen Bandkantenbereiche (11) gesprüht werden. - Vorrichtung zum Verhindern einer unerwünschten Abkühlung der Bandkantenbereiche (11) eines Gußstranges (6) durch mit diesem aus der Bodenöffnung (7) einer Sekundärkühlkammer (8) austretendes Laufwasser (9), insbesondere zur Durchführung des Verfahrens nach den Ansprüchen 1 bis 8,
dadurch gekennzeichnet,
daß in Reihe angeordnete Sprühdüsen (17) zum Erzeugen energiereicher, gegen den Laufwasseraustritt gerichteter Sprühstrahlen (10) vorgesehen sind,daß die Sprühdüsen (17) in vergleichsweise geringem Abstand stromaufwärts der dem Gußstrang (6) an der Sekundärkühlkammer (8) zugeordneten Bodenöffnung (7) angeordnet sind, unddaß die Sprühdüsen zu mehreren in jeweils einer Reihe (15) in Richtung der Strangbreite zusammengefaßt und je einzeln über Drosselvorrichtungen (1 bis 5) an eine Speiseleitung (18) angeschlossen sind. - Vorrichtung nach Anspruch 9,
dadurch gekennzeichnet,
daß die Sprühdüsen (17) mit senkrecht zu den Flächen des Gußstranges (6) ausgerichteten Achsen angeordnet sind. - Vorrichtung nach Anspruch 9 oder 10,
dadurch gekennzeichnet,
daß die Sprühdüsen (17) zur Erzeugung senkrecht zum Gußstrang (6) gerichteter Sprühstrahlen (10) mit entsprechend richtungseinstellbaren Achsen (x-x) angeordnet sind. - Vorrichtung nach einem oder mehreren der Ansprüche 9 bis 11,
dadurch gekennzeichnet,
daß die Sprühdüsen (17) zur Erzeugung eines flachen und breiten Sprühkegels (13) mit schmalen Austrittsschlitzen ausgebildet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10001073 | 2000-01-13 | ||
DE10001073A DE10001073A1 (de) | 2000-01-13 | 2000-01-13 | Verfahren und Vorrichtung zum Verhindern einer unerwünschten Abkühlung der Bandkantenbereiche eines Gußstranges |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1116534A1 true EP1116534A1 (de) | 2001-07-18 |
EP1116534B1 EP1116534B1 (de) | 2005-04-27 |
Family
ID=7627337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01100532A Expired - Lifetime EP1116534B1 (de) | 2000-01-13 | 2001-01-10 | Verfahren und Vorrichtung zum Verhindern einer unerwünschten Abkühlung der Bandkantenbereiche eines Gussstranges |
Country Status (11)
Country | Link |
---|---|
US (1) | US6508298B2 (de) |
EP (1) | EP1116534B1 (de) |
JP (1) | JP2001198656A (de) |
KR (1) | KR100725034B1 (de) |
CN (1) | CN1210122C (de) |
AT (1) | ATE294040T1 (de) |
BR (1) | BR0102254B1 (de) |
CA (2) | CA2670075C (de) |
DE (2) | DE10001073A1 (de) |
ES (1) | ES2240243T3 (de) |
MX (1) | MXPA01000331A (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110022659A (ko) * | 2008-06-06 | 2011-03-07 | 노벨리스 인코퍼레이티드 | 워터 제트를 사용하여 잉곳으로부터 냉각수를 제거하는 방법 및 장치 |
DE102017213842A1 (de) * | 2017-08-08 | 2019-02-14 | Sms Group Gmbh | Verfahren und Anlage zum Stranggießen eines metallischen Produkts |
CN107598112A (zh) * | 2017-10-30 | 2018-01-19 | 中冶赛迪工程技术股份有限公司 | 一种连铸机二冷水喷淋宽度控制装置及方法 |
DE102018205685A1 (de) * | 2018-04-13 | 2019-10-17 | Sms Group Gmbh | Kühleinrichtung und Verfahren zu deren Betrieb |
CN110918917A (zh) * | 2019-11-18 | 2020-03-27 | 张家港宏昌钢板有限公司 | 一种连铸二冷水系统 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1289956B (de) * | 1961-09-13 | 1969-02-27 | Concast Ag | Sekundaerkuehlvorrichtung fuer gradflaechige Stranggusserzeugnisse |
DE1558194B1 (de) * | 1966-05-31 | 1970-10-15 | Concast Ag | Verfahren und Vorrichtung zum Kuehlen eines Gussstranges in einer Sekundaerkuehlzone |
DE2208928A1 (de) * | 1971-04-30 | 1973-07-26 | Voest Ag | Stranggiessanlage fuer brammen |
JPH079100A (ja) * | 1993-06-28 | 1995-01-13 | Kawasaki Steel Corp | 連続鋳造の二次冷却方法 |
DE4425379A1 (de) * | 1994-07-19 | 1996-01-25 | Schloemann Siemag Ag | Vorrichtung zur Verkleinerung des Sprühkegels einer Spritzdüse |
JP2000005849A (ja) * | 1998-06-22 | 2000-01-11 | Showa Electric Wire & Cable Co Ltd | 連続鋳造装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH552424A (de) * | 1972-09-06 | 1974-08-15 | Concast Ag | Verfahren zum steuern der kuehlung eines aus einer durchlaufkokille austretenden stranges und vorrichtung zur durchfuehrung dieses verfahrens. |
AT323921B (de) * | 1973-07-27 | 1975-08-11 | Voest Ag | Kuhleinrichtung für kontinuierlich zu giessende stränge |
SE409961B (sv) * | 1974-03-18 | 1979-09-17 | Voest Ag | Strenggjutningsanleggning for grovplatemnen |
JPH05200514A (ja) * | 1991-11-29 | 1993-08-10 | Sumitomo Metal Ind Ltd | 連続鋳造方法 |
JPH05220550A (ja) * | 1992-02-14 | 1993-08-31 | Tokai Gokin Kogyo Kk | 連続鋳造用2次冷却装置 |
JPH0760420A (ja) * | 1993-08-25 | 1995-03-07 | Nippon Steel Corp | 冷却装置 |
JPH1034303A (ja) * | 1996-07-26 | 1998-02-10 | Kawasaki Steel Corp | 連続鋳造方法 |
JP3526705B2 (ja) * | 1996-09-07 | 2004-05-17 | 新日本製鐵株式会社 | 高炭素鋼の連続鋳造方法 |
JP3588411B2 (ja) * | 1997-09-22 | 2004-11-10 | 新日本製鐵株式会社 | ステンレス鋼の連続鋳造方法 |
-
2000
- 2000-01-13 DE DE10001073A patent/DE10001073A1/de not_active Withdrawn
-
2001
- 2001-01-05 US US09/755,870 patent/US6508298B2/en not_active Expired - Lifetime
- 2001-01-08 BR BRPI0102254-7A patent/BR0102254B1/pt not_active IP Right Cessation
- 2001-01-10 AT AT01100532T patent/ATE294040T1/de active
- 2001-01-10 EP EP01100532A patent/EP1116534B1/de not_active Expired - Lifetime
- 2001-01-10 DE DE50105988T patent/DE50105988D1/de not_active Expired - Lifetime
- 2001-01-10 MX MXPA01000331A patent/MXPA01000331A/es active IP Right Grant
- 2001-01-10 ES ES01100532T patent/ES2240243T3/es not_active Expired - Lifetime
- 2001-01-10 CA CA2670075A patent/CA2670075C/en not_active Expired - Fee Related
- 2001-01-10 CA CA2331078A patent/CA2331078C/en not_active Expired - Lifetime
- 2001-01-11 JP JP2001003790A patent/JP2001198656A/ja active Pending
- 2001-01-12 KR KR1020010001699A patent/KR100725034B1/ko not_active IP Right Cessation
- 2001-01-12 CN CNB01103016XA patent/CN1210122C/zh not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1289956B (de) * | 1961-09-13 | 1969-02-27 | Concast Ag | Sekundaerkuehlvorrichtung fuer gradflaechige Stranggusserzeugnisse |
DE1558194B1 (de) * | 1966-05-31 | 1970-10-15 | Concast Ag | Verfahren und Vorrichtung zum Kuehlen eines Gussstranges in einer Sekundaerkuehlzone |
DE2208928A1 (de) * | 1971-04-30 | 1973-07-26 | Voest Ag | Stranggiessanlage fuer brammen |
JPH079100A (ja) * | 1993-06-28 | 1995-01-13 | Kawasaki Steel Corp | 連続鋳造の二次冷却方法 |
DE4425379A1 (de) * | 1994-07-19 | 1996-01-25 | Schloemann Siemag Ag | Vorrichtung zur Verkleinerung des Sprühkegels einer Spritzdüse |
JP2000005849A (ja) * | 1998-06-22 | 2000-01-11 | Showa Electric Wire & Cable Co Ltd | 連続鋳造装置 |
Non-Patent Citations (2)
Title |
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PATENT ABSTRACTS OF JAPAN vol. 1995, no. 04 31 May 1995 (1995-05-31) * |
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 04 31 August 2000 (2000-08-31) * |
Also Published As
Publication number | Publication date |
---|---|
ATE294040T1 (de) | 2005-05-15 |
CA2670075A1 (en) | 2001-07-13 |
JP2001198656A (ja) | 2001-07-24 |
CA2670075C (en) | 2010-12-07 |
DE50105988D1 (de) | 2005-06-02 |
DE10001073A1 (de) | 2001-07-19 |
CA2331078C (en) | 2010-05-25 |
CA2331078A1 (en) | 2001-07-13 |
ES2240243T3 (es) | 2005-10-16 |
CN1324702A (zh) | 2001-12-05 |
US6508298B2 (en) | 2003-01-21 |
MXPA01000331A (es) | 2002-11-04 |
BR0102254B1 (pt) | 2009-01-13 |
US20010020527A1 (en) | 2001-09-13 |
KR100725034B1 (ko) | 2007-06-07 |
BR0102254A (pt) | 2001-09-18 |
EP1116534B1 (de) | 2005-04-27 |
KR20010086314A (ko) | 2001-09-10 |
CN1210122C (zh) | 2005-07-13 |
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