EP1590107B1 - Device for transferring or threading beginnings of bands - Google Patents

Device for transferring or threading beginnings of bands Download PDF

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Publication number
EP1590107B1
EP1590107B1 EP04707488A EP04707488A EP1590107B1 EP 1590107 B1 EP1590107 B1 EP 1590107B1 EP 04707488 A EP04707488 A EP 04707488A EP 04707488 A EP04707488 A EP 04707488A EP 1590107 B1 EP1590107 B1 EP 1590107B1
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EP
European Patent Office
Prior art keywords
strip
threading
conveyor belt
upper belt
moved
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP04707488A
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German (de)
French (fr)
Other versions
EP1590107A2 (en
Inventor
Bernd Zilkenat
Heiko Zetzsche
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Demag AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1590107A2 publication Critical patent/EP1590107A2/en
Application granted granted Critical
Publication of EP1590107B1 publication Critical patent/EP1590107B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • 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
    • B21B39/04—Lifting or lowering work for conveying purposes, e.g. tilting tables arranged immediately in front of or behind the pass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/173—Metal

Definitions

  • the invention relates to a device for passing or threading band beginnings, in particular of Dünstb Sn, from a Bandbe- or belt processing plant to one or in a further processing plant or take-up reel.
  • DE 40 18 950 A1 discloses such a device, in which case a Bandeinfädelwagen is provided, which is arranged downstream of a reel.
  • the Bandeinfädelwagen has a pivotable clamping device, which is provided at the front end with a Meisel. With this, the coil located on the reel of a band can be opened and immediately thereafter, the beginning of the tape is detected hydraulically or magnetically and transferred by the longitudinally movable carriage to a subsequent Bandbe- or belt processing plant, there so threaded, for example.
  • a longitudinally movable carriage is known from DE - AS 26 04 909, which also detects the trailing edge of the band by pinching and transferred.
  • Corresponding devices are also used to transfer the emerging from a rolling mill band to a Aufaufaufhaspel or threading into this.
  • these devices are suitable. Can not handle so but so-called Dünstb sections. These are understood to mean tapes with a thickness of less than 0.2 mm.
  • manual handling has hitherto been necessary, since it is not possible to drive the thin strip over a longer distance, as may occur, for example, between two rolling stands or the exit from a rolling stand and the following reel.
  • the tape had to be pushed or pulled carefully, whereby it could not be prevented that the tape uncontrollably from the center of the line of movement was moved. Of course, it also plays a role that often the space between two parts of the system is so cramped that access is only partially possible,
  • the object of the invention is therefore to provide a device with which in particular the handling of Dünstbändem during transfer or threading is possible, preferably automatically.
  • a device for transferring or threading strip beginners, in particular streamer strips, from a strip or strip processing line to or into a further processing line or take-up reel consisting of a transfer table, the width of which corresponds at least to the width of a belt to be transported, and whose table surface in the transport direction of the belt has a longitudinal slot which is narrower than the minimum width of a belt to be transported, through which the upper run of a circulating in the transport direction of the belt Conveyor belt can be swiveled over the surface of the transfer table and temporarily connected with the transportable tape non-positively.
  • the tape is thus not taken, but it creates a non-positively on an endlessly rotating conveyor belt temporarily.
  • Such application is much gentler to perform than the previously applied gripping.
  • it is essential that the width of the conveyor belt is smaller than that of the minimum width of the belt to be transported, so that in principle only a very narrow portion of the belt is detected for transport.
  • the tapes to be handled may have different properties, namely that they may be magnetic or not magnetic.
  • magnets are arranged below the upper run of the endless circulating conveyor belt, which pull the beginning of the strip against the conveyor belt, namely the top of the upper run of the conveyor belt. If permanent magnets are used for this purpose, their effect occurs only as long as the conveyor belt is in the pivoted-out state, ie above the table surface. If electromagnets are used, the effect only occurs when the electromagnets are activated. It is important that the effect occurs only intermittently. After transferring and / or threading into a subsequent installation, the separation of the conveyor belt from the belt takes place, so that the belt then runs freely between the preceding outlet and the subsequent inlet.
  • suction nozzles are arranged below the upper run of the conveyor belt and the conveyor belt itself is provided with passages or holes.
  • the Dünstband is temporarily placed by the negative pressure frictionally on the top of the upper run of the conveyor belt. So that a quick change or change between these types of conveyors can be done, electromagnets and suction nozzles can also be installed together below the upper run of the conveyor belt.
  • the entire device is pivotally arranged, i.
  • the conveyor belt is moved into the transport plane and pivoted out of it when not in use, so that it does not interfere with the subsequent movement sequence.
  • the transfer table which has a slot 8.
  • the maximum X and the minimum bandwidth Y are indicated in FIG. 1, so that it can be seen that the slot is narrower than the minimum bandwidth of a band to be transported.
  • the inventive device for passing or threading a Dünstbandes has a designated 7 endless circulating conveyor belt.
  • This conveyor belt is pivotally arranged, which has been indicated by the reference numerals 2.
  • the two position representations show that in this way the conveyor belt can be moved into or out of the transport plane, that protrudes beyond the surface or table surface of the transfer table 1 or sunk.

Abstract

A present invention relates to a device for transferring or threading beginnings of a band or strip, including an extremely thin band or strip, from a band machining unit or band processing facility to or into a further processing unit or treatment facility, such as, for example, a winding reel or winding drum.

Description

Die Erfindung betrifft eine Vorrichtung zum Überleiten oder Einfädeln von Bandanfängen, insbesondere von Dünstbändern, von einer Bandbe- oder Bandverarbeitungsanlage zu einer oder in eine Weiterbearbeitungsanlage oder Auflaufhaspel.The invention relates to a device for passing or threading band beginnings, in particular of Dünstbändern, from a Bandbe- or belt processing plant to one or in a further processing plant or take-up reel.

Vorrichtungen dieser Art sind in verschiedensten Ausführungen bekannt.Devices of this type are known in various designs.

So ist in der DE 40 18 950 A1 eine derartige Vorrichtung offenbart, wobei hier ein Bandeinfädelwagen vorgesehen ist, der einer Haspel nachgeordnet ist. Der Bandeinfädelwagen weist eine schwenkbare Klemmvorrichtung auf, die am vorderen Ende mit einem Meisel versehen ist. Mit diesem kann das auf der Haspel befindliche Bund eines Bandes geöffnet werden und unmittelbar anschließend wird der Bandanfang hydraulisch oder magnetisch erfasst und durch den längsbeweglichen Wagen an eine nachfolgende Bandbe- oder Bandverarbeitungsanlage überführt, dort also beispielsweise eingefädelt.Thus, in DE 40 18 950 A1 discloses such a device, in which case a Bandeinfädelwagen is provided, which is arranged downstream of a reel. The Bandeinfädelwagen has a pivotable clamping device, which is provided at the front end with a Meisel. With this, the coil located on the reel of a band can be opened and immediately thereafter, the beginning of the tape is detected hydraulically or magnetically and transferred by the longitudinally movable carriage to a subsequent Bandbe- or belt processing plant, there so threaded, for example.

Ebenfalls ein längsbeweglicher Wagen ist aus der DE - AS 26 04 909 bekannt, wobei dieser den vom Bund ablaufenden Bandanfang auch durch Einklemmen erfasst und überführt. Entsprechende Einrichtungen werden auch dazu verwendet, das aus einem Walzgerüst austretende Band an eine Auffaufhaspel zu überführen bzw. in diese einzufädeln.Also a longitudinally movable carriage is known from DE - AS 26 04 909, which also detects the trailing edge of the band by pinching and transferred. Corresponding devices are also used to transfer the emerging from a rolling mill band to a Aufaufaufhaspel or threading into this.

Für normale Banddicken sind diese Vorrichtungen geeignet. Nicht handhaben lassen sich damit aber sogenannte Dünstbänder. Hierunter werden Bänder mit einer Dicke kleiner als 0,2 mm verstanden. Zum Überführen oder Einfädeln dieser Bänder ist bisher eine manuelle Handhabung notwendig, da das Vortreiben des dünnen Bandes über eine längere Distanz, wie sie beispielsweise zwischen zwei Walzgerüsten oder dem Austritt aus einem Walzgerüst und der nachfolgenden Haspel vorkommen kann, nicht möglich ist. In der Praxis musste das Band geschoben oder vorsichtig gezogen werden, wobei nicht verhindert werden konnte, dass das Band dabei unkontrolliert aus der Mitte der Bewegungslinie verschoben wurde. Dabei spielt natürlich auch eine Rolle, dass häufig der Platz zwischen zwei Anlageteilen so beengt ist, dass ein Zugriff nur bedingt möglich ist,For normal strip thicknesses, these devices are suitable. Can not handle so but so-called Dünstbänder. These are understood to mean tapes with a thickness of less than 0.2 mm. For the transfer or threading of these tapes, manual handling has hitherto been necessary, since it is not possible to drive the thin strip over a longer distance, as may occur, for example, between two rolling stands or the exit from a rolling stand and the following reel. In practice, the tape had to be pushed or pulled carefully, whereby it could not be prevented that the tape uncontrollably from the center of the line of movement was moved. Of course, it also plays a role that often the space between two parts of the system is so cramped that access is only partially possible,

Eine derartige Verschiebung kann aber dazu führen, dass das Band beim Anwickeln schräg auf die Haspel aufläuft. Dies führt wiederum dazu, dass entweder Falten beim Haspeln auftreten, die das Band zwangsläufig beschädigen oder aber es kommt zum Teleskopieren des Bandes.However, such a shift can lead to the tape running obliquely on the reel during Anwickeln. This in turn means that either wrinkles occur during reeling, which inevitably damage the tape or it comes to telescoping the tape.

Aufgabe der Erfindung ist daher die Schaffung einer Vorrichtung, mit der insbesondere die Handhabung von Dünstbändem beim Überführen oder Einfädeln möglich ist, und zwar vorzugsweise automatisch.The object of the invention is therefore to provide a device with which in particular the handling of Dünstbändem during transfer or threading is possible, preferably automatically.

Gelöst wird diese Aufgabe erfindungsgemäß mit einer Vorrichtung zum Überleiten oder Einfädeln von Bandanfängen, insbesondere von Dünstbändem, von einer Bandbe - oder Bandverarbeitungsanlage zu einer oder in eine Weiterbearbeitungsanlage oder Auflaufhaspel,
bestehend aus einem Überleittisch, dessen Breite mindestens der Breite eines zu transportierenden Bandes entspricht, und dessen Tischfläche in Transportrichtung des Bandes einen Längsschlitz aufweist, der schmaler ist als die minimale Breite eines zu transportierenden Bandes, durch den der obere Trum eines in Transportrichtung des Bandes umlaufenden Förderbandes über die Oberfläche des Überleittisches vorschwenkbar und mit dem zu transportierende Band zeitweise kraftschlüssig verbindbar ist.This object is achieved according to the invention by means of a device for transferring or threading strip beginners, in particular streamer strips, from a strip or strip processing line to or into a further processing line or take-up reel,
consisting of a transfer table, the width of which corresponds at least to the width of a belt to be transported, and whose table surface in the transport direction of the belt has a longitudinal slot which is narrower than the minimum width of a belt to be transported, through which the upper run of a circulating in the transport direction of the belt Conveyor belt can be swiveled over the surface of the transfer table and temporarily connected with the transportable tape non-positively.

Im Unterschied zu dem eingangs geschilderten Stand der Technik wird das Band somit nicht ergriffen, sondern es legt sich kraftschlüssig an ein endlos umlaufendes Förderband zeitweise an. Ein derartiges Anlegen ist wesentlich schonender durchzuführen als das bisher angewandte Greifen.
Außerdem ist es wesentlich, dass die Breite des Förderbandes kleiner ist, als die die minimale Breite des zu transportierenden Bandes, so dass im Prinzip nur ein sehr schmaler Bereich des Bandes für den Transport erfasst wird.In contrast to the above-described prior art, the tape is thus not taken, but it creates a non-positively on an endlessly rotating conveyor belt temporarily. Such application is much gentler to perform than the previously applied gripping.
In addition, it is essential that the width of the conveyor belt is smaller than that of the minimum width of the belt to be transported, so that in principle only a very narrow portion of the belt is detected for transport.

Man muss nun unterscheiden, dass die zu handhabenden Bänder verschiedene Eigenschaften aufweisen können, und zwar können sie magnetisch oder nicht magnetisch sein.It must now be distinguished that the tapes to be handled may have different properties, namely that they may be magnetic or not magnetic.

Handelt es sich um magnetisches Bandmaterial, so sind unterhalb des oberen Trums des endlos umlaufenden Förderbandes Magneten angeordnet, die den Bandanfang gegen das Förderband, und zwar die Oberseite des oberen Trums des Förderbandes, ziehen. Werden hierzu Permanentmagnete eingesetzt, tritt deren Wirkung nur solange auf, wie sich das Förderband im ausgeschwenkten Zustand, also oberhalb der Tischfläche befindet. Werden Elektromagneten verwendet, so tritt die Wirkung nur ein, wenn die Elektromagneten aktiviert sind. Wichtig ist, dass die Wirkung nur zeitweise eintritt. Nach dem Überführen und / oder Einfädeln in eine nachfolgende Anlage erfofgt die Trennung des Förderbandes vom Band, so dass das Band dann frei zwischen dem vorausgehenden Auslauf und dem nachfolgenden Einlauf verläuft.If it is magnetic strip material, magnets are arranged below the upper run of the endless circulating conveyor belt, which pull the beginning of the strip against the conveyor belt, namely the top of the upper run of the conveyor belt. If permanent magnets are used for this purpose, their effect occurs only as long as the conveyor belt is in the pivoted-out state, ie above the table surface. If electromagnets are used, the effect only occurs when the electromagnets are activated. It is important that the effect occurs only intermittently. After transferring and / or threading into a subsequent installation, the separation of the conveyor belt from the belt takes place, so that the belt then runs freely between the preceding outlet and the subsequent inlet.

Ist das Band aus nicht magnetischem Material, so sind unterhalb des oberen Trums des Förderbandes Saugdüsen angeordnet und das Förderband selbst ist mit Durchlässen oder Löchern versehen. In diesem Fall wird das Dünstband durch den Unterdruck zeitweise kraftschlüssig auf die Oberseite des oberen Trums des Förderbandes aufgelegt. Damit ein schneller Umbau oder Wechsel zwischen diesen Förderarten erfolgen kann, können Elektromagneten und Saugdüsen auch zusammen unterhalb des oberen Trums des Förderbandes installiert sein.If the band is made of non-magnetic material, suction nozzles are arranged below the upper run of the conveyor belt and the conveyor belt itself is provided with passages or holes. In this case, the Dünstband is temporarily placed by the negative pressure frictionally on the top of the upper run of the conveyor belt. So that a quick change or change between these types of conveyors can be done, electromagnets and suction nozzles can also be installed together below the upper run of the conveyor belt.

Zweckmäßig ist die gesamte Vorrichtung schwenkbar angeordnet, d.h. für den Einsatz wird das Förderband in die Transportebene bewegt und bei Nichtbedarf aus dieser herausgeschwenkt, so dass sie nicht den anschließenden Bewegungsablauf stört.Suitably, the entire device is pivotally arranged, i. For use, the conveyor belt is moved into the transport plane and pivoted out of it when not in use, so that it does not interfere with the subsequent movement sequence.

Die Erfindung soll nachfolgend an einem Ausführungsbeispiel erläutert werden, wobei in der Zeichnung schematisch nur das Grundprinzip wiedergegeben ist, und zwar zeigt

  • Fig. 1 eine Aufsicht auf den in vereinfachter Form dargestellten Überleittisch und
  • Fig. 2 eine schematische Seitenansicht des schwenkbaren Förderbandes.
The invention will be explained below with reference to an embodiment, wherein in the drawing only the basic principle is shown schematically, and that shows
  • Fig. 1 is a plan view of the transfer table shown in simplified form and
  • Fig. 2 is a schematic side view of the pivotable conveyor belt.

Mit 1 ist in den Figuren der Überleittisch bezeichnet, der einen Schlitz 8 aufweist.With 1 is referred to in the figures, the transfer table, which has a slot 8.

Angedeutet ist in der Figur 1 die maximale X und die minimale Bandbreite Y, so dass ersichtlich ist, dass der Schlitz schmaler ist als die minimale Bandbreite eines zu transportierenden Bandes.The maximum X and the minimum bandwidth Y are indicated in FIG. 1, so that it can be seen that the slot is narrower than the minimum bandwidth of a band to be transported.

Mit 3 ist ein Walzgerüst (oder ein letztes Gerüst einer Walzstrasse) angedeutet. Die strichpunktierte Linie 4 deutet die Walzmitte und auch die Transportebene des austretenden Bandes an. Die erfindungsgemäße Vorrichtung zum Überleiten oder Einfädeln eines Dünstbandes weist ein mit 7 bezeichnetes endlos umlaufendes Förderband auf.3 indicates a rolling stand (or a last stand of a rolling train). The dot-dash line 4 indicates the roller center and also the transport plane of the exiting belt. The inventive device for passing or threading a Dünstbandes has a designated 7 endless circulating conveyor belt.

Dieses Förderband ist schwenkbar angeordnet, was durch die Bezugsziffern 2 angedeutet worden ist. Die beiden Positionsdarstellungen zeigen, dass auf diese Weise das Förderband in oder aus der Transportebene bewegt werden kann, also über die Oberfläche oder Tischfläche des Überleittisches 1 hinausragt oder versenkt ist. Unterhalb des oberen Trums des Förderbandes 7 befinden sich entweder Magneten oder Saugdüsen 6, mit deren Hilfe das aus dem Gerüst austretende Band - oder genauer gesagt dessen Bandanfang - an die Oberseite des oberen Trums des Förderbandes 7 zeitweise kraftschlüssig anlegbar ist, d.h. solange sich der obere Trum des Förderbandes in seiner Position oberhalb der Tischfläche befindet, so dass durch die Bewegung des Förderbandes das zu transportierende Band, insbesondere der Bandanfang, mitgenommen wird.This conveyor belt is pivotally arranged, which has been indicated by the reference numerals 2. The two position representations show that in this way the conveyor belt can be moved into or out of the transport plane, that protrudes beyond the surface or table surface of the transfer table 1 or sunk. Below the upper run of the conveyor belt 7 there are either magnets or suction nozzles 6, with the aid of which emerging from the frame tape - or more precisely the beginning of the tape - is temporarily frictionally applied to the top of the upper run of the conveyor belt 7, i. as long as the upper run of the conveyor belt is in its position above the table surface, so that is taken along by the movement of the conveyor belt, the belt to be transported, in particular the beginning of the tape.

Claims (4)

  1. Device for transferring or threading in strip head ends, in particularly of thin strips, from a strip machining or processing facility to or into a further treatment facility or winding drum,
    comprising a transfer table (1), the width of which is at least equal to the width of a strip that is to be moved, and the surface of which table has a lengthwise slot (8) in the direction of movement of the strip, which slot is narrower than the minimum width of a strip that is to be moved, through which slot the upper belt of a conveyor (7) that is circulating in the direction of movement of the strip can be swivelled out over the surface of the transfer table and can be frictionally connected intermittently to the strip that is to be moved.
  2. Device as in claim 1,
    characterised in that
    magnets are positioned underneath the upper belt of the conveyor (7) which pull the strip that is to be moved against the top surface of the upper belt.
  3. Device as in claim 2,
    characterised in that
    the magnets are electromagnets.
  4. Device as in claim 1,
    characterised in that
    the conveyor (7) is perforated, and in that suction nozzles are positioned underneath the upper belt which pull the strip that is to be moved against the top surface of the upper belt.
EP04707488A 2003-02-06 2004-02-03 Device for transferring or threading beginnings of bands Expired - Lifetime EP1590107B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10305414 2003-02-06
DE10305414A DE10305414B3 (en) 2003-02-06 2003-02-06 Device for transferring or threading tape starts
PCT/DE2004/000205 WO2004073902A2 (en) 2003-02-06 2004-02-03 Device for transferring or threading beginnings of bands

Publications (2)

Publication Number Publication Date
EP1590107A2 EP1590107A2 (en) 2005-11-02
EP1590107B1 true EP1590107B1 (en) 2006-07-19

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EP04707488A Expired - Lifetime EP1590107B1 (en) 2003-02-06 2004-02-03 Device for transferring or threading beginnings of bands

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US (2) US20060037989A1 (en)
EP (1) EP1590107B1 (en)
JP (1) JP4440254B2 (en)
CN (1) CN1325184C (en)
AT (1) ATE333329T1 (en)
DE (2) DE10305414B3 (en)
RU (1) RU2333065C2 (en)
WO (1) WO2004073902A2 (en)

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CN1738688A (en) 2006-02-22
JP4440254B2 (en) 2010-03-24
DE10305414B3 (en) 2004-09-16
RU2333065C2 (en) 2008-09-10
WO2004073902A3 (en) 2004-10-28
RU2005127780A (en) 2006-02-10
US20080047998A1 (en) 2008-02-28
DE502004000985D1 (en) 2006-08-31
ATE333329T1 (en) 2006-08-15
US20060037989A1 (en) 2006-02-23
WO2004073902A2 (en) 2004-09-02
JP2006516483A (en) 2006-07-06
CN1325184C (en) 2007-07-11
EP1590107A2 (en) 2005-11-02

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