EP1350576B1 - Driver system for devices for the drawing or braking of metal strips - Google Patents
Driver system for devices for the drawing or braking of metal strips Download PDFInfo
- Publication number
- EP1350576B1 EP1350576B1 EP03014045A EP03014045A EP1350576B1 EP 1350576 B1 EP1350576 B1 EP 1350576B1 EP 03014045 A EP03014045 A EP 03014045A EP 03014045 A EP03014045 A EP 03014045A EP 1350576 B1 EP1350576 B1 EP 1350576B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- band
- blocks
- magnets
- distance
- permanent magnets
- 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
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Classifications
-
- 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
- B21B39/08—Braking or tensioning arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/003—Regulation of tension or speed; Braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/006—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only winding-up or winding-off several parallel metal bands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
- B21C47/345—Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the tension or advance of the material
- B21C47/3458—Endlessly revolving chain systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/06—Advancing webs by friction band
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/06—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
- B65H23/10—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle acting on running web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
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- 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
- B21B39/006—Pinch roll sets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/30—Chains
- B65H2404/35—Arrangement of chains facing each other for forming a transport nip
- B65H2404/351—Arrangement of chains facing each other for forming a transport nip the nip being formed between elongate members bridging two chains running synchronously and in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2555/00—Actuating means
- B65H2555/10—Actuating means linear
- B65H2555/13—Actuating means linear magnetic, e.g. induction motors
Definitions
- the invention relates to entrainment systems in a device for pulling or braking metal bands, preferably in band lines between endless circulating chain systems.
- EP-A-0088347 and EP-A-0195096 there is provided a brake stand for metal or metal strips known, with which the braking of metal bands required tensile or braking force without damaging effects on the surface of the split or un-split tape can muster.
- the invention is based on the problem, on the one hand the possible applications expand the known brake scaffold and on the other hand in particular for the entry, exit and driving conditions of the carriage-like Roll blocks in the tape take-a targeted, for the different tasks to achieve different behavior.
- a stable support causes.
- the inlet and outlet must be made elastic. Training done so that a high elasticity in the horizontal direction (Bandzugcardi) is achieved. Furthermore, with the invention a low crushing achieved, whereby the flexing work in and Spout can be significantly reduced.
- the coating width corresponds to the chain pitch. The arrangement takes place between the Running coils. With this training, it is possible that a closed contact surface is available in the takeaway area. This training requires the synchronous running of the upper to the lower carriage chain.
- a low hardness of the coating at a relative thick coating chosen.
- the metal band is embedded, so that the shape errors of the metal strip in cross-section and the belt ripples be easily compensated.
- the created open spaces allow that the squashed volume of the elastic coating flow specifically can.
- the coating receives a filler, e.g. a flat steel. This will achieved that the squeezing means of form factor targeted the function task can be adjusted while the desired inclination the coating can take place in the pulling direction almost unrestricted.
- a filler e.g. a flat steel.
- a useful application is that only one circumferential Carriage chain, is designed as a rotating table. It will be by means of permanent magnets or via electromagnets forces in the Band introduced to apply braking or pulling forces can. magnetizable Metal strap is attracted by the forces of attraction Protective belt pulled the cart chain and it will be according to the ⁇ -value driving forces generated.
- the heating of metal strip is achieved when the energy over the circulating system is fed conductively or inductively. This effect can also be used in galvanic or other processes.
- the rotating system is equipped with electronic measuring heads For example, the strip thickness, the surface condition, the metallic structures and the like are checked very closely, because the metal band and the probe over a time to be determined with identical speed can work in a fixed position.
- the brake frame or the control frame can around a Bandzugmeßrahmen be extended. These aggregates depend on leaf springs.
- the reaction forces of the strip tension are unadulterated via measuring cells detected. This measuring system is capable of excluding the to measure horizontal forces with high repeatability, and can be set to a few Newton, depending on the measuring range.
- the formation of the electric linear drive has the advantage that the Loading the hinges of the chain wheel brackets only from the Deflection and centrifugal forces occur while the loads from the applied Band trains only act in the pickup area.
- the sizing the hinges can thus be limited to the deflection and centrifugal forces become. The wear is thereby minimized.
- the driving distance can be designed so that the metal band Conductive or inductive power is supplied.
- This solution is preferable in galvanic processes, when heating the band, for Measuring processes on the belt and for the construction of magnetic fields, the Initiation of retention forces are used.
- For the Power supply are current-conducting in the carriage-like roller blocks Materials introduced. The current can then be selectively switched on, when the roller blocks go through the driving area. Apart from a better efficiency over conventional gas or oil-fired annealing furnace plants, is a big advantage of this measure in that at any time the power supply can be switched off. at the application of the eddy current method, the strip tension through the opposite speed of the track wagons and the retention force be regulated by changing the frequency.
- the circulating carriage chain system The task is to carry the tape and a fixed band gap to ensure the measuring heads or solenoids.
- the residence time for the test procedure can be adjusted by the determination of the contact distance because in this area the metal band and the carriage chain system have the same speed.
- the application is suitable on for tape thickness measurements, tension measurements in the belt, surface scans and other test systems.
- the supply of the streams can be done either from the inside or the side from the outside.
- the Zu- and Shutdown occurs after the track wagon reaches the parallel line or before it leaves the parallel route.
- the arrangement shown has the great advantage that the individual Tape strip without pulley fed to the take-up reel 1, 2 tangentially become.
- the built in the brake frame 5, 6 retreats are without deflection losses and without relative movements to the casserole point brought. This will be ideal conditions for a uniform created specific Bandzugver whatsoever.
- the tangential inlet is constantly readjusted.
- the numeral 1 shows the Aufwickeldorn the Aufwickethaspets, 2 the wound coil, 3 the third separation for the Tape strip, 4 the metal strip, 5 the upper circulating roller, 6 the lower one Circulating roller, 7 the second separation and 8 the first separation to feed the metal strip from the loop 9 perpendicular to the brake frame. 10 is the gap scissors.
- the brake frame 20 hangs by means of leaf springs 24 in the control frame 21st
- the strip tension can by means of load cells 23 without falsification by deflections with a very low hysteresis and very high repeat accuracy be measured.
- the brake and Zuggerüst 20 exists from the stand, oppositely arranged circulating rollers 5 and 6, which are incorporated in guides 18 of the stand 20 and of which the upper circulation roller 5 by means of cylinder-loaded piston rods 18th is made against the lower circulation roller 6.
- the chains 11 and 11a are composed of a plurality of coupled, carriage-like roller blocks that span the entire length Width of an incoming in the direction of arrow 25 band 4 and with at least two-sided support wheels 26 and side guide rollers 27 roll off a track or lay on the side of this.
- the career is led to a takeaway area in which the opposite Roll blocks 11 grasp the band 4 on both sides and clamp between them.
- the coating carriers 13 are provided with an elastic coating 12 Mistake.
- the coating width corresponds to the chain pitch T and extends within the axes of the support wheels 26 of two adjacent, i.e., consecutive blocks. The axes form at the same time a defined pivot point.
- the coating 12 is free space 30 designed so that inlet and outlet side a particularly elastic adjustment the squeezed coating is possible.
- the pinch height The coating should be as low as possible to the To keep flexing work as low as possible. At the same time the coating must a very high elasticity in Bandzugraum received around different on the different inclination of the coating To allow tape speeds for the individual slit strip strips as shown in Fig. 5.
- FIG. 4 shows the position the coating at low strip tension
- Fig. 5 at high strip tension.
- FIG. 6 This embodiment of FIG. 6 is for metal bands with the highest Surface claim of great interest, since no contact with the Brake system is present.
- the distance between the permanent magnets 33 or coil 34 can be kept constant, that the supports of the circulating rollers are adjusted by the elastic blocks 35 become.
- the metal band 4 floats by the attractive forces between the permanent magnets 33 or the coils 34.
- the protective belt 36 is also shown. Are the cylinder 18 by spindle drives replaced, so the distance can be adjusted and the machine hereby receives an additional control element.
- the carriage chain is moved in the direction of tape travel.
- the Length of the contact section can be adapted to the case of need.
- This form of training is for metal strips with the highest surface demands of great interest, as contact on one side only Brake system is present.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Coating Apparatus (AREA)
- Advancing Webs (AREA)
- Braking Arrangements (AREA)
- Coating With Molten Metal (AREA)
- Transmissions By Endless Flexible Members (AREA)
- Attitude Control For Articles On Conveyors (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Metal Extraction Processes (AREA)
Abstract
Description
Die Erfindung betrifft Mitnahmesysteme in einer Vorrichtung zum Ziehen oder Bremsen von Metallbändern bzw. Blechen, vorzugsweise in Bandlinien zwischen endlos umlaufenden Kettensystemen.The invention relates to entrainment systems in a device for pulling or braking metal bands, preferably in band lines between endless circulating chain systems.
Aus EP-A-0088347 und EP-A-0195096 ist ein Bremsgerüst für Metall- bzw. Blechbänder bekannt, mit dem sich die beim Bremsen von Metallbändern benötigte Zug- bzw. Bremskraft ohne schädigende Einwirkungen auf die Oberfläche des gespaltenen oder nicht gespaltenen Bandes aufbringen läßt.From EP-A-0088347 and EP-A-0195096 there is provided a brake stand for metal or metal strips known, with which the braking of metal bands required tensile or braking force without damaging effects on the surface of the split or un-split tape can muster.
Die Anwendung des Wirbelstromeffektes zum Bremsen von elektrisch leitfähigem Metallband ist in der DE-AS 1 288 865 beschrieben. Diese Ausführungsform ist in der Praxis zur Anwendung gekommen. Der wesentliche Nachteil besteht darin, daß die gewünschte Funktion sich brauchbar erst einstellt, wenn eine Bandgeschwindigkeit von ca. 50 m/min erreicht wird. Die Bandzugregelung konnte nur durch eine Abstandsveränderung erfolgen. Das Ergebnis war unbefriedigend, da bei zu geringem Abstand eine Berührung mit dem Magneten Reiativbewegungen verursachten.The application of the eddy current effect for braking of electric conductive metal strip is described in DE-AS 1,288,865. These Embodiment has been used in practice. The essential Disadvantage is that the desired function itself usable sets only when a belt speed of about 50 m / min is achieved. The band tension control could only by a change in distance respectively. The result was unsatisfactory, as with too slight distance a contact with the magnet Reiativbewegungen caused.
In der Offenlegungsschrift DE 195 24 289 A1 wird eine weitere Wirbelstrombremse beschrieben. Der wesentliche Unterschied besteht darin, daß die Permanentmagnete auf einer Kreisbahn bewegt werden. Für den Rückhalteeffekt steht nur eine Magnetbahn zur Verfügung. Zudem stellt sich nur für einen Bruchteil der Periode die Parallelität der Permanentmagnete ein, wodurch der Rückhalteeffekt ungleichmäßig und wesentlich vermindert aufgebaut wird. Um ausreichenden spezifischen Bandzug aufbringen zu können, müßten die Drehzahlen der Bremsrollen in nicht mehr beherrschbare Größenordnungen gebracht werden. Zudem stellen sich große Antriebsleistungen bei einem sehr ungünstigen Wirkungsgrad ein.In the published patent application DE 195 24 289 A1, a further eddy current brake described. The main difference is that the permanent magnets are moved in a circular path. For the Retaining effect is available only a magnetic train. It also provides the parallelism of the permanent magnets only for a fraction of the period which makes the retention effect uneven and substantial is built up reduced. To have enough specific tape tension to apply, the rotational speeds of the brake rollers would not have to more manageable orders of magnitude are brought. In addition, ask large drive power at a very unfavorable efficiency one.
Der Erfindung liegt das Problem zugrunde, einerseits die Einsatzmöglichkeiten des bekannten Bremsgerüstes zu erweitern und andererseits insbesondere für die Einlauf-, Auslauf- und Mitnahmebedingungen der wagenartigen Rollenblöcke im Bandmitnahmebereich ein gezieltes, für die verschiedenen Aufgaben unterschiedliches Verhalten zu erreichen.The invention is based on the problem, on the one hand the possible applications expand the known brake scaffold and on the other hand in particular for the entry, exit and driving conditions of the carriage-like Roll blocks in the tape take-a targeted, for the different tasks to achieve different behavior.
Dieses Problem wird gemäß den Merkmalen des Hauptanspruches durch eine Formgebung gelöst, die im mittleren Bereich eine stabile Abstützung bewirkt. Der Ein- und Auslauf muß elastisch gestaltet werden. Die Ausbildung erfolgt so, daß eine hohe Elastizität in horizontaler Richtung (Bandzugrichtung) erreicht wird. Weiterhin wird mit der Erfindung eine geringe Verquetschung erreicht, wodurch die Walkarbeit im Ein- und Auslauf entscheidend reduziert werden kann. Die Beschichtungsbreite entspricht der Kettenteilung. Die Anordnung erfolgt zwischen den Laufollen. Mit dieser Ausbildung gelingt es, daß eine geschlossene Kontaktfläche im Mitnahmebereich zur Verfügung steht. Diese Ausbildung erfordert den synchronen Lauf der oberen zur unteren Wagenkette.This problem is solved according to the features of the main claim a design solved in the middle area a stable support causes. The inlet and outlet must be made elastic. Training done so that a high elasticity in the horizontal direction (Bandzugrichtung) is achieved. Furthermore, with the invention a low crushing achieved, whereby the flexing work in and Spout can be significantly reduced. The coating width corresponds to the chain pitch. The arrangement takes place between the Running coils. With this training, it is possible that a closed contact surface is available in the takeaway area. This training requires the synchronous running of the upper to the lower carriage chain.
Vorzugsweise wird eine geringe Härte der Beschichtung bei einer relativ dicken Beschichtung gewählt. Das Metallband wird eingebettet, so daß die Formfehler des Metallbandes im Querschnitt und die Bandwelligkeiten problemlos kompensiert werden. Die geschaffenen Freiräume erlauben, daß das verquetschte Volumen der elastischen Beschichtung gezielt fließen kann.Preferably, a low hardness of the coating at a relative thick coating chosen. The metal band is embedded, so that the shape errors of the metal strip in cross-section and the belt ripples be easily compensated. The created open spaces allow that the squashed volume of the elastic coating flow specifically can.
Die Beschichtung erhält ein Füllstück, z.B. ein Flachstahl. Hierdurch wird erreicht, daß das Verquetschen mittels Formfaktor gezielt der Funktionsaufgabe angepaßt werden kann, während die gewünschte Schrägstellung der Beschichtung in Zugrichtung nahezu uneingeschränkt erfolgen kann.The coating receives a filler, e.g. a flat steel. This will achieved that the squeezing means of form factor targeted the function task can be adjusted while the desired inclination the coating can take place in the pulling direction almost unrestricted.
Eine sinnvolle Anwendung besteht darin, daß nur eine umlaufende Wagenkette, als umlaufender Tisch ausgebildet wird. Dabei werden mittels Permanentmagneten oder über Elektromagnete Kräfte in das Band eingeleitet, um Brems- oder Zugkräfte aufbringen zu können. Magnetisierbares Metallband wird durch die Anziehungskräfte auf den Schutzgurt der Wagenkette gezogen und es werden entsprechend dem µ-Wert Mitnahmekräfte erzeugt. A useful application is that only one circumferential Carriage chain, is designed as a rotating table. It will be by means of permanent magnets or via electromagnets forces in the Band introduced to apply braking or pulling forces can. magnetizable Metal strap is attracted by the forces of attraction Protective belt pulled the cart chain and it will be according to the μ-value driving forces generated.
Als weitere Möglichkeit bietet es sich an, daß zwei Umlaufrollen mit Permanentmagneten oder mit Elektromagneten ausgerüstet werden und durch die aufgebrachten Magnetpole ein paralleles, lineares, magnetisches Wanderfeld aufgebaut wird, das im elektrisch leitfähigen Bandmaterial als lineare, umlaufende Wirbelstrombremse wirkt.As a further possibility, it is advisable that two circulating rollers with permanent magnets or equipped with electromagnets and by the applied magnetic poles a parallel, linear, magnetic Wanderfeld is built in the electrically conductive strip material acts as a linear, rotating eddy current brake.
Das Erwärmen von Metallband wird erreicht, wenn die Energie über das umlaufende System konduktiv oder induktiv zugeführt wird. Dieser Effekt kann ebenso bei galvanischen oder anderen Prozessen Anwendung finden.The heating of metal strip is achieved when the energy over the circulating system is fed conductively or inductively. This effect can also be used in galvanic or other processes.
Wird das umlaufende System mit elektronischen Meßköpfen ausgerüstet so können zum Beispiel die Banddicke, die Oberflächenbeschaffenheit, die metallischen Strukturen und ähnliches sehr genau überprüft werden, da das Metallband und der Prüfkopf über eine zu bestimmende Zeit mit identischer Geschwindigkeit in fixierter Lage arbeiten kann.If the rotating system is equipped with electronic measuring heads For example, the strip thickness, the surface condition, the metallic structures and the like are checked very closely, because the metal band and the probe over a time to be determined with identical speed can work in a fixed position.
Eine optimale Wirkungsweise wird erreicht, wenn der mechanische Linearantrieb durch einen elektrischen Linearantrieb betrieben wird. Diese Ausführungsform belastet das Wagenkettensystem nur im linearen Mitnahmebereich und ist somit insbesondere für große Kräfte und große Geschwindigkeiten sinnvoll.An optimal mode of action is achieved when the mechanical linear drive is operated by an electric linear drive. These Embodiment loaded the Wagenkettensystem only in the linear driving range and is thus especially for big forces and big ones Speeds useful.
Wird das Bremsgerüst auf einen Steuerrahmen in Passlinehöhe aufgelegt, so wird ein extrem präzises Steuern des Bandes in Bezug auf die Bandmitte oder Bandkante möglich, da durch diese Maßnahme das Kippmoment "herauskonstruiert" wird. Hierdurch werden Zugschwankungen durch Schwingungen vermieden. Für Walz- und Streck- Biege-Richtprozesse ist dies ein wichtiger Aspekt. If the brake frame is placed on a control frame at passline height, Thus, an extremely precise control of the tape in relation to the Band center or band edge possible because by this measure the Tipping moment is "reconstructed". This will cause train fluctuations avoided by vibrations. For rolling and stretch bending straightening processes This is an important aspect.
Das Bremsgerüst oder der Steuerrahmen können um einen Bandzugmeßrahmen erweitert werden. Hierbei hängen diese Aggregate in Blattfedern. Die Reaktionskräfte des Bandzuges werden über Meßzellen unverfälscht erfaßt. Dieses Meßsystem ist in der Lage, ausschließlich die horizontalen Kräfte mit einer hohen Wiederholgenauigkeit zu messen, und kann, je nach Meßbereich, auf wenige Newton eingestellt werden.The brake frame or the control frame can around a Bandzugmeßrahmen be extended. These aggregates depend on leaf springs. The reaction forces of the strip tension are unadulterated via measuring cells detected. This measuring system is capable of excluding the to measure horizontal forces with high repeatability, and can be set to a few Newton, depending on the measuring range.
Für hohe Ansprüche, beispielsweise bei sehr oberflächenempfindlichen Bändern, wie Kupfer oder Aluminiumband, werden durch die Erfindung besondere Effekte möglich, und zwar durch das gezielte Zuführen der Ketten mit den Rollenblöcken in einen relativ kurzen Einspann- und Mitnahmebereich mittels gerader Führungsleisten, die gleichzeitig das Abstützen der Einspannkräfte ermöglichen. Auf diese Weise lassen sich relativ große Andrückkräfte aufnehmen, die notwendig sind, um große Zug- oder Rückhaltekräfte ohne Relativbewegung zwischen dem Band und den umlaufenden, wagenartigen Rollenblöcken sicherzustellen. Durch Einlauf- und Auslaufkurven an den geraden Führungsleisten des Mitnahmebereiches wird das gezielte Zuführen der Rollenblöcke erreicht. Durch besondere Formgebung wird eine sehr elastischer Übergang ermöglicht. Durch das Einlegen von Formblechen wird das Verquetschen der elastischen Beschichtung gezielt verringert.For high demands, for example on very surface-sensitive Tapes, such as copper or aluminum tape, are covered by the invention special effects possible, through the targeted feeding of Chains with the roller blocks in a relatively short clamping and driving range by means of straight guide rails, which at the same time supporting allow the clamping forces. In this way you can be relative absorb large pressure forces, which are necessary to large Tensile or restraining forces without relative movement between the band and to ensure the revolving, carriage-like roller blocks. Through inlet and outlet curves on the straight guide rails of the Mitnahmebereich the targeted feeding the role blocks is achieved. Special design allows a very elastic transition. By inserting shaped sheets, the squeezing becomes the elastic coating deliberately reduced.
Die Ausbildung des elektrischen Linearantriebes hat den Vorteil, daß die Belastung der Scharnierenden der Kettenwagenlaschen nur aus den Umlenk- und Fliehkräften erfolgt, während die Belastungen aus den aufzubringenden Bandzügen nur im Mitnahmebereich wirken. Die Dimensionierung der Scharniere kann somit auf die Umlenk- und Fliehkräften beschränkt werden. Der Verschleiß wird hierdurch minimiert. The formation of the electric linear drive has the advantage that the Loading the hinges of the chain wheel brackets only from the Deflection and centrifugal forces occur while the loads from the applied Band trains only act in the pickup area. The sizing the hinges can thus be limited to the deflection and centrifugal forces become. The wear is thereby minimized.
Die Mitnahmestrecke kann so gestaltet werden, daß dem Metallband konduktiv oder induktiv Strom zugeführt wird. Diese Lösung kommt vorzugsweise bei galvanischen Prozessen, bei Erwärmung des Bandes, für Meßprozesse am Band und zum Aufbau von Magnetfeldern, die zum Einleiten von Rückhaltekräfte verwendet werden, zum Einsatz. Für die Stromzuführung werden in die wagenartigen Rollenblöcke stromleitende Werkstoffe eingebracht. Der Strom läßt sich gezielt dann zuschalten, wenn die Rollenblöcke den Mitnahmebereich durchlaufen. Abgesehen von einem besseren Wirkungsgrad gegenüber herkömmlichen gas- oder ölbefeuerten Glühofenanlagen, liegt ein großer Vorteil dieser Maßnahme darin, daß zu jeder Zeit die Energiezufuhr abgeschaltet werden kann. Bei der Anwendung des Wirbelstromverfahrens können der Bandzug durch die gegenläufige Geschwindigkeit der Kettenwagen und die Rückhaltekraft durch Veränderung der Frequenz geregelt werden.The driving distance can be designed so that the metal band Conductive or inductive power is supplied. This solution is preferable in galvanic processes, when heating the band, for Measuring processes on the belt and for the construction of magnetic fields, the Initiation of retention forces are used. For the Power supply are current-conducting in the carriage-like roller blocks Materials introduced. The current can then be selectively switched on, when the roller blocks go through the driving area. Apart from a better efficiency over conventional gas or oil-fired annealing furnace plants, is a big advantage of this measure in that at any time the power supply can be switched off. at the application of the eddy current method, the strip tension through the opposite speed of the track wagons and the retention force be regulated by changing the frequency.
Werden die Beschichtungsträger des Wagenkettensystems mit Meßsonden ausgerüstet, so werden durch den umlaufenden Tisch ideale Auswertungsvoraussetzungen geschaffen. Das umlaufende Wagenkettensystem hat die Aufgabe, das Band zu tragen und einen fixen Bandabstand zu den Meßköpfen oder Magnetspulen sicherzustellen. Die Verweilzeit für den Prüfvorgang kann durch die Festlegung der Kontaktstrecke eingestellt werden, da in diesem Bereich das Metallband und das Wagenkettensystem die gleiche Geschwindigkeit haben. Die Anwendung bietet sich an für Banddickenmessungen, Spannungsmessungen im Band, Oberftächenabtastungen und andere Prüfsysteme. Die Zuführung der Ströme kann wahlweise von innen oder seitlich von außen erfolgen. Das Zu- und Abschalten erfolgt, nachdem der Kettenwagen die Parallelstrecke erreicht hat bzw. bevor dieser die Parallelstrecke verläßt. Be the coating carrier of the carriage chain system with probes equipped, so by the circulating table ideal Auswertungsausaussetzungen created. The circulating carriage chain system The task is to carry the tape and a fixed band gap to ensure the measuring heads or solenoids. The residence time for the test procedure can be adjusted by the determination of the contact distance because in this area the metal band and the carriage chain system have the same speed. The application is suitable on for tape thickness measurements, tension measurements in the belt, surface scans and other test systems. The supply of the streams can be done either from the inside or the side from the outside. The Zu- and Shutdown occurs after the track wagon reaches the parallel line or before it leaves the parallel route.
Nach dem gleichen System können Einzelmagnete oder Magnetspulen, die über den gesamten Segmentbereich gehen, mit Spannung versorgt werden. Über die magnetischen Anziehungskräfte wird das Band auf die Kettenwagen gezogen. In Abhängigkeit von diesen Kräften und dem µ-Wert können Bandzüge über das Kettenwagensystem aufgebracht werden. Dies ist auch mittels Permanentmagneten möglich. Diese Ausbildung bietet sich für magnetisierbare Metallbänder an.According to the same system, individual magnets or solenoids, which go over the entire segment area, supplied with power become. About the magnetic attractions, the tape on the Pulled a chain wagon. Depending on these forces and the μ-values can be applied to belt pulls via the chain-wagon system become. This is also possible by means of permanent magnets. This training lends itself to magnetizable metal bands.
Die Erfindung wird nachfolgend anhand der in den Zeichnungen dargestellten Ausführungsbeispiele näher erläutert. Es zeigen:
- Fig. 1
- ein Spaltbandbremsgerüst;
- Fig. 2
- die Vorderansicht eines Bremsgerüstes mit Steuer- und Meßrahmen, teilweise geschnitten;
- Fig. 3
- die Seitenansicht eines Bremsgerüstes mit Steuer- und Meßrahmen, teilweise geschnitten;
- Fig. 4 und 5
- eine mögliche elastische Beschichtung unter unterschiedlichen Belastungszuständen;
- Fig. 6
- Vor- und Rückzüge durch Wirbelstromfelder; und
- Fig. 7
- Vor- und Rückzüge durch Magnetfelder.
- Fig. 1
- a slit band brake scaffold;
- Fig. 2
- the front view of a brake frame with control and measuring frame, partially cut;
- Fig. 3
- the side view of a brake frame with control and measuring frame, partially cut;
- 4 and 5
- a possible elastic coating under different loading conditions;
- Fig. 6
- Advances and retreats through eddy current fields; and
- Fig. 7
- Advances and retreats by magnetic fields.
Die dargestellte Anordnung hat den großen Vorteil, daß die einzelnen
Bandstreifen ohne Umlenkrolle dem Aufwickelhaspel 1, 2 tangential zugeführt
werden. Die im Bremsgerüst 5, 6 aufgebauten Rückzüge werden
ohne Umlenkverluste und ohne Relativbewegungen zum Auflaufpunkt
gebracht. Hierdurch werden ideale Voraussetzungen für eine gleichmäβige
spezifische Bandzugverteilung geschaffen. Der tangentiale Zulauf
wird stetig nachgeregelt. Die Ziffer 1 zeigt den Aufwickeldorn des Aufwickethaspets,
2 das aufgewickelte Coil, 3 die dritte Separierung für die
Bandstreifen, 4 das Metallband, 5 die obere Umlauf-Rolle, 6 die untere
Umlauf-Rolle, 7 die zweite Separierung und 8 die erste Separierung, um
das Metallband aus der Schlinge 9 dem Bremsgerüst rechtwinkelig zuzuführen.
10 ist die Spaltschere.The arrangement shown has the great advantage that the individual
Tape strip without pulley fed to the take-up
Die Besonderheit dieser Lösung gemäß Fig. 2 besteht darin, daß der mechanische
Linearantrieb durch einen elektrischen Linear-Antrieb 19 bewegt
wird. Durch diese Lösung ist es möglich, große Bandzüge auf kürzestem
Wege in das Metallband einzuleiten. Während der Umlenkungen
fallen für die Wagenkette nur die Kräfte aus den Fliehkräften und Scharnierbewegungen
an. Die Wagenkette 11 kann einfacher gestaltet werden.
Es entfällt die gesamte Antriebskette bestehend aus Welle mit den
Kettenrädern, Gelenkwelle, Getriebe, Kupplung und Elektromotor. Es
werden wesentlich höhere Geschwindigkeiten bei gleichzeitig hohem
Bandzug problemlos beherrscht. Ziffer 12 zeigt die elastische Segmentbeschichtung,
13 den Beschichtungsträger, 14 die Laufschiene. The peculiarity of this solution according to FIG. 2 is that the mechanical
Linear drive by an electric
Das Bremsgerüst 20, hängt mittels Blattfedern 24 im Steuerrahmen 21.
Der Bandzug kann mittels Wägezellen 23 ohne Verfälschung durch Umlenkungen
mit einer sehr geringen Hysteresis und sehr hoher Wiederholgenauigkeit
gemessen werden. Das Brems- und Zuggerüst 20 besteht
aus dem Ständer, gegenüberliegend angeordneten Umlaufrollen 5 und 6,
die in Führungen 18 der Ständer 20 eingebaut sind und von denen die
obere Umlaufrolle 5 mittels zylinderbeaufschlagten Kolbenstangen 18
gegen die untere Umlaufrolle 6 angestellt wird.The
Die Ketten 11 und 11a setzen sich aus einer Vielzahl miteinander gekoppelter,
wagenartiger Rollenblöcke zusammen, die sich über die gesamte
Breite eines in Pfeilrichtung 25 einlaufenden Bandes 4 erstrecken und mit
zumindest beidseitigen Stützrädern 26 sowie Seitenführungsrollen 27 auf
einer Laufbahn abrollen bzw. sich seitlich an diese legen. Die Laufbahn
wird zu einem Mitnahmebereich geführt, in dem die gegenüberliegenden
Rollenblöcke 11 das Band 4 beidseitig erfassen und zwischen sich einspannen.The
Die Beschichtungsträger 13 sind mit einer elastischen Beschichtung 12
versehen. Die Beschichtungsbreite entspricht der Kettenteilung T und
erstreckt sich innerhalb der Achsen der Stützräder 26 zweier benachbarter,
d.h., aufeinanderfolgender Blöcke. Die Achsen bilden gleichzeitig
einen definierten Drehpunkt. Die Beschichtung 12 wird durch Freiräume
30 so gestaltet, daß ein- und auslaufseitig ein besonders elastisches Anpassen
der verquetschten Beschichtung möglich wird. Die Verquetschungshöhe
der Beschichtung sollte so gering wie möglich sein, um die
Walkarbeit so gering wie möglich zu halten. Gleichzeitig muß die Beschichtung
eine sehr hohe Elastizität in Bandzugrichtung erhalten um
über die unterschiedliche Schrägstellung der Beschichtung unterschiedliche
Bandgeschwindigkeiten für die einzelnen Spaltbandstreifen zu ermöglichen,
wie in Fig. 5 gezeigt. Dieser Funktionswiderspruch wurde
durch die erfindungsgemäße Ausbildung erreicht, daß mittels der Stützbleche
31 und 32 über den Formfaktor die Verquetschungshöhe der Aufgabe
angepaßt werden kann, die Schrägstellung der Beschichtung jedoch
nur unwesentlich eingeschränkt wird. Die Figur 4 zeigt die Stellung
der Beschichtung bei geringem Bandzug, die Fig. 5 bei hohem Bandzug.The
Werden die Beschichtungsträger 13 mit Permanentmagneten 33 oder
Magnetspulen 34 bestückt, die Wirbelstromfelder aufbauen, so können
elektrisch leitfähige Bänder, insbesondere Bänder aus Aluminium,
Kupfer, sowie ihre Legierungen, zum Einleiten von Bandzügen verwendet
werden. Die Wagenkette wird dabei in aller Regel gegen die Bandlaufrichtung
bewegt. Die Länge der Kontaktstrecke (Wirkstrecke) kann dem
Bedarfsfall angepaßt werden.Be the
Diese Ausbildungsform gemäß Fig. 6 ist für Metallbänder mit höchstem
Oberflächenanspruch von großem Interesse, da kein Kontakt zum
Bremssystem vorhanden ist. Der Abstand zwischen den Permanentmagneten
33 oder Spulen 34 kann dadurch konstant gehalten werden, daß
die Abstützungen der Umlaufrollen durch die elastischen Blöcke 35 eingestellt
werden. Das Metallband 4 schwebt durch die Anziehungskräfte
zwischen den Permanentmagneten 33 oder den Spulen 34. Der Schutzgurt
36 ist auch dargestellt. Werden die Zylinder 18 durch Spindelantriebe
ersetzt, so kann der Abstand eingestellt werden und die Maschine
erhält hiermit ein zusätzliches Regelglied.This embodiment of FIG. 6 is for metal bands with the highest
Surface claim of great interest, since no contact with the
Brake system is present. The distance between the
Werden die Beschichtungsträger 13 mit Permanentmagneten 33 oder
Magnetspulen 34 bestückt, die Magnetfelder aufbauen, so können magnetisierbare
Metallbänder, zum Einleiten von Bandzügen verwendet
werden. Die Wagenkette wird dabei in Bandlaufrichtung bewegt. Die
Länge der Kontaktstrecke kann dem Bedarfsfall angepaßt werden.Be the
Diese Ausbildungsform ist für Metallbänder mit höchstem Oberflächenanspruch von großem Interesse, da nur auf einer Seite Kontakt zum Bremssystem vorhanden ist.This form of training is for metal strips with the highest surface demands of great interest, as contact on one side only Brake system is present.
Claims (13)
- Device for drawing or braking metal bands or sheets, in particular for a plurality of narrow bands, with a braking action separated band by band, with endlessly revolving chain systems (26, 27) of carriage-like roller blocks which transport the band or sheet (4), characterized in that the roller blocks (11) carry magnets (33, 34) to create linear band tension by means of eddy-current.
- Device according to Claim 1, characterized in that the roller blocks have carrier elements (13) extending laterally with respect to the transport direction of the band (4), the said elements (13) carrying the magnets (33, 34).
- Device according to Claim 1 or 2, characterized by permanent magnets (33) or magnet coils (34).
- Device according to one of Claims 1 to 3, characterized by elastic blocks to adjust the distance between the magnets (33, 34), the said blocks being associated with the supports of the revolving rollers (5, 6).
- Device according to one of Claims 1 to 4, characterized by linear band tension produced by the movement against the band running direction.
- Device according to one of Claims 1 to 5, characterized by driving and/or retention forces by means of magnetic fields.
- Device according to one of Claims 1 to 6, characterized by the movement of an eddy-current system against the band running direction.
- Device according to one of Claims 1 to 6, characterized by the movement of an eddy-current system in the band running direction.
- Device according to one of Claims 4 to 8, characterized by a protective strap (36) covering the permanent magnets (33).
- Device according to one of Claims 1 to 9, characterized by a control of the distance between co-operating chain systems (26, 27).
- Device according to Claim 10, characterized by spindle drives for continuously adjusting the distance.
- Device according to one of Claims 1 to 11, characterized by one chain system for each stand.
- Device according to one of Claims 1 to 12, characterized by the arrangement of bending stands and band grinding devices between revolving stands.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19852078 | 1998-11-11 | ||
DE29820111 | 1998-11-11 | ||
DE1998152078 DE19852078A1 (en) | 1998-11-11 | 1998-11-11 | Elastic coating in devices for pulling and braking of metal strip can be adapted using shaping and filler parts for each task, to enable permanent magnets to be attached to roller blocks |
DE29820111U | 1998-11-11 | ||
DE29909850U | 1999-04-19 | ||
DE29909850U DE29909850U1 (en) | 1998-11-11 | 1999-04-19 | Elastic coating in device for pulling or braking metal strips |
EP99971746A EP1054743B1 (en) | 1998-11-11 | 1999-11-10 | Driver system for reducing the speed of or dragging metal strips |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99971746.5 Division | 1999-11-10 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1350576A2 EP1350576A2 (en) | 2003-10-08 |
EP1350576A3 EP1350576A3 (en) | 2004-02-04 |
EP1350576B1 true EP1350576B1 (en) | 2005-04-27 |
Family
ID=27218807
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99971746A Expired - Lifetime EP1054743B1 (en) | 1998-11-11 | 1999-11-10 | Driver system for reducing the speed of or dragging metal strips |
EP03014045A Expired - Lifetime EP1350576B1 (en) | 1998-11-11 | 1999-11-10 | Driver system for devices for the drawing or braking of metal strips |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99971746A Expired - Lifetime EP1054743B1 (en) | 1998-11-11 | 1999-11-10 | Driver system for reducing the speed of or dragging metal strips |
Country Status (8)
Country | Link |
---|---|
US (2) | US6502734B1 (en) |
EP (2) | EP1054743B1 (en) |
AT (2) | ATE294034T1 (en) |
BR (1) | BR9906891A (en) |
CA (1) | CA2317432C (en) |
DE (2) | DE59906096D1 (en) |
ES (2) | ES2242125T3 (en) |
WO (1) | WO2000027554A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008029326A1 (en) | 2008-06-20 | 2009-12-24 | Sms Siemag Aktiengesellschaft | Metal band straightening method for industry, involves causing additional tension in metal band by tension increasing units such that tension lies above yield strength in metal band between tension increasing units |
DE102006054383B4 (en) * | 2006-11-17 | 2014-10-30 | Sms Siemag Aktiengesellschaft | Method, apparatus and their use for pulling or braking a metallic material |
DE102006054385B4 (en) * | 2006-11-17 | 2014-11-13 | Sms Siemag Aktiengesellschaft | Device and its use for pulling or braking a metallic Guts |
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ES2242125T3 (en) * | 1998-11-11 | 2005-11-01 | Norbert Umlauf | DEVICE SYSTEM ON DEVICES FOR PULLING, OR BRAKING, METAL BANDS. |
EP1670601B1 (en) * | 2003-10-08 | 2008-11-26 | Norbert Umlauf | System for contactless application of tension in electrically conductive metal strips |
DE202005016330U1 (en) * | 2004-04-29 | 2006-02-02 | Terex-Demag Gmbh & Co. Kg | Rope winding system for winding and unwinding steel cables from cranes |
DE102005036570A1 (en) * | 2004-12-16 | 2006-07-06 | Steinert Elektromagnetbau Gmbh | Method for decelerating a running metal strip and system for carrying out the method |
KR100867221B1 (en) * | 2008-03-10 | 2008-11-06 | 주식회사 이피이 | A spreader system using the traverse solution device |
US9242284B2 (en) | 2013-03-15 | 2016-01-26 | Norbert Umlauf | Method and apparatus for straightening metal bands |
PL226814B1 (en) * | 2015-05-29 | 2017-09-29 | Przedsiębiorstwo Concept Stal B&S Lejman Spółka Jawna | Sheet rolling machine |
DE202016008593U1 (en) | 2015-06-09 | 2018-08-23 | Novelis Inc. | Non-contact magnetic steering |
CN107774728A (en) * | 2016-08-31 | 2018-03-09 | 扬中凯悦铜材有限公司 | Copper bar drawing winds integrated apparatus |
US20180319613A1 (en) * | 2017-05-04 | 2018-11-08 | Butech, Inc. | Traction tensioning machine |
CN107617650A (en) * | 2017-09-18 | 2018-01-23 | 攀钢集团攀枝花钢铁研究院有限公司 | A kind of decoiling equipment |
CN109500175A (en) * | 2018-10-29 | 2019-03-22 | 通鼎互联信息股份有限公司 | A kind of metal tape embossing forward pull device |
US11673174B2 (en) | 2018-11-02 | 2023-06-13 | Jfe Steel Corporation | Bridle device, method for controlling snaking of steel strip, and method for producing steel strip |
CN110905430A (en) * | 2019-12-25 | 2020-03-24 | 安徽蓝海之光科技有限公司 | Automatic propelling device for underground gas sealing hole |
CN111924643B (en) * | 2020-08-12 | 2022-09-30 | 广西电网有限责任公司来宾供电局 | Up-down pressing type cable conveyor |
CN112047012A (en) * | 2020-08-28 | 2020-12-08 | 福州隋德洛贸易有限公司 | Semiconductor device conveyer |
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-
1999
- 1999-11-10 ES ES03014045T patent/ES2242125T3/en not_active Expired - Lifetime
- 1999-11-10 EP EP99971746A patent/EP1054743B1/en not_active Expired - Lifetime
- 1999-11-10 CA CA002317432A patent/CA2317432C/en not_active Expired - Fee Related
- 1999-11-10 ES ES99971746T patent/ES2203253T3/en not_active Expired - Lifetime
- 1999-11-10 AT AT03014045T patent/ATE294034T1/en active
- 1999-11-10 BR BR9906891-5A patent/BR9906891A/en not_active IP Right Cessation
- 1999-11-10 EP EP03014045A patent/EP1350576B1/en not_active Expired - Lifetime
- 1999-11-10 DE DE59906096T patent/DE59906096D1/en not_active Expired - Fee Related
- 1999-11-10 US US09/600,091 patent/US6502734B1/en not_active Expired - Fee Related
- 1999-11-10 WO PCT/EP1999/008606 patent/WO2000027554A1/en active IP Right Grant
- 1999-11-10 DE DE59911996T patent/DE59911996D1/en not_active Expired - Lifetime
- 1999-11-10 AT AT99971746T patent/ATE243573T1/en not_active IP Right Cessation
-
2002
- 2002-11-14 US US10/294,878 patent/US6585140B2/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006054383B4 (en) * | 2006-11-17 | 2014-10-30 | Sms Siemag Aktiengesellschaft | Method, apparatus and their use for pulling or braking a metallic material |
DE102006054385B4 (en) * | 2006-11-17 | 2014-11-13 | Sms Siemag Aktiengesellschaft | Device and its use for pulling or braking a metallic Guts |
DE102008029326A1 (en) | 2008-06-20 | 2009-12-24 | Sms Siemag Aktiengesellschaft | Metal band straightening method for industry, involves causing additional tension in metal band by tension increasing units such that tension lies above yield strength in metal band between tension increasing units |
Also Published As
Publication number | Publication date |
---|---|
BR9906891A (en) | 2000-10-17 |
EP1054743A1 (en) | 2000-11-29 |
CA2317432C (en) | 2009-01-27 |
EP1054743B1 (en) | 2003-06-25 |
US20030066857A1 (en) | 2003-04-10 |
ATE243573T1 (en) | 2003-07-15 |
US6585140B2 (en) | 2003-07-01 |
EP1350576A3 (en) | 2004-02-04 |
EP1350576A2 (en) | 2003-10-08 |
DE59911996D1 (en) | 2005-06-02 |
ATE294034T1 (en) | 2005-05-15 |
CA2317432A1 (en) | 2000-05-18 |
US6502734B1 (en) | 2003-01-07 |
ES2203253T3 (en) | 2004-04-01 |
ES2242125T3 (en) | 2005-11-01 |
DE59906096D1 (en) | 2003-07-31 |
WO2000027554A1 (en) | 2000-05-18 |
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