EP1713964A1 - Device for supporting the bottom rolls of drawing assemblies in spinning machines - Google Patents

Device for supporting the bottom rolls of drawing assemblies in spinning machines

Info

Publication number
EP1713964A1
EP1713964A1 EP05701363A EP05701363A EP1713964A1 EP 1713964 A1 EP1713964 A1 EP 1713964A1 EP 05701363 A EP05701363 A EP 05701363A EP 05701363 A EP05701363 A EP 05701363A EP 1713964 A1 EP1713964 A1 EP 1713964A1
Authority
EP
European Patent Office
Prior art keywords
rollers
profile body
profile
spinning machines
bearing
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.)
Withdrawn
Application number
EP05701363A
Other languages
German (de)
French (fr)
Inventor
Stefan Krawietz
Peter Mann
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Saurer GmbH and Co KG
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 Saurer GmbH and Co KG filed Critical Saurer GmbH and Co KG
Publication of EP1713964A1 publication Critical patent/EP1713964A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/56—Supports for drafting elements

Definitions

  • the invention relates to a device for storing the lower rolls of spinning machine drafting systems.
  • Spinning machines on which the invention can be used are roving machines and spinning machines.
  • Bottom rollers of spinning machine drafting systems are generally stored in so-called punches, which usually consist of plate-shaped cast parts with inclined guide surfaces on which several so-called slides for receiving the bearing bodies of the bottom rollers can be moved and locked.
  • punches usually consist of plate-shaped cast parts with inclined guide surfaces on which several so-called slides for receiving the bearing bodies of the bottom rollers can be moved and locked.
  • the guiding surfaces of both the punches and the slides must be carefully machined in order to enable easy movement and precise adjustment of the slides.
  • devices must be available to fix the slides on the punches in the intended position.
  • the invention had set itself the task of simplifying the storage of drafting rollers in spinning machines significantly.
  • the present invention is accordingly characterized by the features mentioned in the main claim. They relate to the area intended for receiving bearing bodies of the lower rollers. If a punch should not or cannot be dispensed with, it can be shaped and designed in any other way in its other areas.
  • a cheap, easy-to-work semi-finished product such as a U-shaped bent sheet or drawn die-cast profile is preferably used, into which the required recesses can be easily made.
  • the provided recesses are advantageously milled into the profile body at the intended mutual spacing of the lower rolls.
  • the profile body is advantageously designed to be interchangeable, so that if, in exceptional cases, a change in the mutual spacing of the lower rollers appears desirable, it can be exchanged for another profile body with the recesses made at the desired distance.
  • an embodiment of the invention is shown in perspective view. It shows a section of a drafting system of greater length.
  • middle lower roller 2 and output lower roller 3 of a typical spinning machine drafting system with three pairs of rollers and sub emchen are shown.
  • the driven lower rollers are of course assigned pressure-loaded upper rollers, not shown here, that are associated with the lower rollers
  • sliver guides 4 which are fastened to a longitudinally slidable sliver guide rail 5 and a lower apron reversing rail 6, around which the lower apron, not shown here, is guided.
  • the invention can also be carried out on drafting systems with a different structure, that is to say with more than three pairs of rollers, without straps, etc.
  • the lower rollers 1, 2 and 3 are mounted in bearing bodies 7 containing roller bearings, which are held in position by bearing caps 8.
  • the bearing caps 8 carry grease nipples 9, via which the rolling bearings can be supplied with grease.
  • the bearing body 7 sit in matching recesses 10, which are incorporated in a profile body 11.
  • This profile body consists of a U-profile made of sheet metal that is open at the bottom.
  • a drawn or rolled U-shaped or box-shaped closed profile can be used instead of the sheet metal part
  • grooves 12 and 13 are also in the profile body 11
  • Fastening holes 15 are made in the two webs 14 of the profile body 11, by means of which it can be fastened to correspondingly arranged support pieces of the frame of the spinning machine. These support pieces can consist of a remaining piece of the punch, which is then completed by the professional body 11. However, it is also possible to design parts of the machine frame other than the supporting pieces receiving the professional body, so that there is no longer any actual punch. It is also understood that the profile body 11 can also be mounted in a different way than by means of the mounting holes 15. It goes without saying that the professional bodies 11, like conventional punches, are arranged at a mutual spacing of usually six or eight spinning positions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

The aim of the invention is to simplify the construction and production of drawing assemblies in spinning machines. To achieve this, the bearing housings (7) of at least the bottom rolls (1, 2 and 3) of the drawing assembly are retained in a profiled section (11), which comprises recesses for the bearing housings (10) that are located at a given fixed mutual distance. There is thus no need for adjustable carriages that hold the bearing housings (7). The profiled section (11) can be configured from a sheet metal U-section that is open on the underside, or as a drawn or rolled section that is open on the underside or has the form of a box.

Description

Vorrichtung zum Lagern der Unterwalzen von Spinnereimaschinen-StreckwerkenDevice for storing the lower rolls of spinning machine drafting systems
Die Erfindung betrifft eine Vorrichtung zum Lagern der Unterwalzen von Spinnereimaschinen-Streckwerken. Spinnereimaschinen, an denen die Erfindung einsetzbar ist, sind Vorspinnmaschinen und Spinnmaschinen.The invention relates to a device for storing the lower rolls of spinning machine drafting systems. Spinning machines on which the invention can be used are roving machines and spinning machines.
Unterwalzen von Spinnereimaschinen-Streckwerken sind in aller Regel in sogenannten Stanzen gelagert, die meist aus plattenförmigen Gussteilen mit geneigten Führungsflächen bestehen, auf denen mehrere, sogenannte Schlitten zum Aufnehmen der Lagerkörper der Unterwalzen verschiebbar und feststellbar sind. Durch Verschieben dieser Schlitten sind die gegenseitigen Abstände der Lagerstellen und damit die Weite der durch die Unterwalzen gebildeten Streckfelder veränderbar, insbesondere an die Stapellänge des durch das Streckwerk zu verziehenden Materials anpassbar. Die Führungsflächen sowohl der Stanzen als auch der Schlitten müssen sorgfältig bearbeitet werden, um ein leichtes Verschieben und ein genaues Justieren der Schlitten zu ermöglichen. Ferner müssen Vorrichtungen vorhanden sein, die Schlitten auf den Stanzen in der vorgesehenen Stellung zu befestigen. Die Erfindung hatte sich die Aufgabe gestellt, die Lagerung von Streckwerkswalzen in Spinnereimaschinen wesentlich zu vereinfachen. Sie geht davon aus, dass an vielen Spinnereimaschinen die erforderlichen Streckfeldweiten, also die gegenseitigen Abstände der Streckwalzen, von Anfang an festliegen und keiner Verstellung bedürfen. Damit entfällt die Notwendigkeit von verstellbaren Schlitten für die Aufnahme der Lagerungen der Streckwalzen. Vielmehr können die Aufnahmen für diese Lagerungen unter Verzicht auf verstellbare Lagerschlitten direkt in ein Lagerteil eingearbeitet werden. Dies eröffnet die Möglichkeit, zumindest den Bereich des Maschinengestells, in dem sich diese Aufnahmen befinden, als sehr einfach geformten und zu bearbeitenden Profilkörper auszubilden. Hierbei kann unter Umständen sogar auf eine gesonderte Stanze verzichtet werden.Bottom rollers of spinning machine drafting systems are generally stored in so-called punches, which usually consist of plate-shaped cast parts with inclined guide surfaces on which several so-called slides for receiving the bearing bodies of the bottom rollers can be moved and locked. By moving these carriages, the mutual spacing of the bearing points and thus the width of the stretching fields formed by the lower rollers can be changed, in particular can be adapted to the stack length of the material to be drawn by the drafting system. The guiding surfaces of both the punches and the slides must be carefully machined in order to enable easy movement and precise adjustment of the slides. Furthermore, devices must be available to fix the slides on the punches in the intended position. The invention had set itself the task of simplifying the storage of drafting rollers in spinning machines significantly. It assumes that on many spinning machines the required stretching field widths, i.e. the mutual spacing of the stretching rollers, are fixed right from the start and do not require any adjustment. This eliminates the need for adjustable slides to accommodate the Bearing of the stretching rollers. Rather, the receptacles for these bearings can be incorporated directly into a bearing part without the need for adjustable bearing slides. This opens up the possibility of designing at least the area of the machine frame in which these receptacles are located as a very simply shaped profile body that can be machined. Under certain circumstances, it is even possible to do without a separate punch.
Aus der US 3,035,314 ist zwar schon bekannt, den die Schlitten tragenden Bereich der Stanze als U-förmiges Blechprofil auszuführen. Auf diesem Profil sind aber nach wie vor Lagerschlitten für die Unterwalze verschiebbar geführt. Das Patent glaubt also, nicht auf die Verstellbarkeit der Unterwalzen verzichten zu können und kann sich den Vorteil, der im Verzicht auf die Schlitten liegen würde, nicht zunutze machen.From US 3,035,314 it is already known to design the area of the punch carrying the slide as a U-shaped sheet metal profile. However, bearing slides for the lower roller are still guided on this profile. The patent therefore believes that it is not possible to do without the adjustability of the lower rollers and cannot take advantage of the advantage that would be due to the absence of the slides.
Auch in der deutschen Patentanmeldung K 295 vom 29.10.1949, bekannt gemacht am 08.03. 1951 in Klasse 76c 12/05, ist eine Stanze zum Lagern von Unterwalzen eines Streckwerkes offenbart, die als nach unten offenes U-Profil ausgebildet ist. Diese Stanze dient jedoch nicht unmittelbar dem Lagern der Unterwalzen, sondern von Rollenpaaren, auf denen die Unterwalzen abrollbar sind. Diese Lösung erfordert demnach in der Regel die doppelte Anzahl von Lagerstellen gegenüber einer direkten Lagerung der Unterwalzen.Also published in German patent application K 295 on October 29, 1949, published on March 8. 1951 in class 76c 12/05, a punch for storing lower rollers of a drafting system is disclosed, which is designed as a U-profile open at the bottom. However, this punch is not used directly for storing the lower rollers, but for pairs of rollers on which the lower rollers can be rolled. This solution therefore usually requires twice the number of bearings compared to a direct storage of the lower rollers.
Eine Stanze mit nicht verstellbaren Lagerstellen für die Unterwalzen ist aus der US 2,592,718 bekannt. Der Erfinder dieses Patentes hat aber nicht erkannt, dass dieser Verzicht auf die Verstellbarkeit die Möglichkeit bietet, den Lagerbereich der Stanze als wohlfeiles Profil aus Blech oder Druckguss auszuführen.A punch with non-adjustable bearings for the lower rollers is known from US 2,592,718. However, the inventor of this patent did not recognize that this lack of adjustability offers the possibility of designing the storage area of the punch as a cheap profile made of sheet metal or die-casting.
Die vorliegende Erfindung ist demgemäß durch die im Hauptanspruch genannten Merkmale gekennzeichnet. Sie beziehen sich auf den zum Aufnehmen von Lagerkörpern der Unterwalzen bestimmter Bereich. Falls nicht auf eine Stanze verzichtet werden soll oder kann, kann diese in ihren sonstigen Bereichen beliebig geformt und ausgebildet sein.The present invention is accordingly characterized by the features mentioned in the main claim. They relate to the area intended for receiving bearing bodies of the lower rollers. If a punch should not or cannot be dispensed with, it can be shaped and designed in any other way in its other areas.
Für der genannten Bereich zum Aufnehmen der Lagerkörper der Unterwalzen wird vorzugsweise ein wohlfeiles, leicht zu bearbeitendes Halbzeug wie U-förmig gebogenes Blech oder gezogenes Druckgussprofil herangezogen, in das die erforderlichen Ausnehmungen leicht eingebracht werden können. Die vorgesehenen Ausnehmungen werden vorteilhafter Weise in dem vorgesehenen gegenseitigen Abstand der Unterwalzen in den Profilkörper eingefräst. Der Profilkörper ist vorteilhafter Weise auswechselbar ausgebildet, so dass er, falls ausnahmsweise eine Änderung im gegenseitigen Abstand der Unterwalzen wünschenswert erscheint, gegen einen anderen Profilkörper mit dem im gewünschten Abstand eingebrachten Ausnehmungen austauschbar ist.For the area mentioned for receiving the bearing bodies of the lower rollers, a cheap, easy-to-work semi-finished product such as a U-shaped bent sheet or drawn die-cast profile is preferably used, into which the required recesses can be easily made. The provided recesses are advantageously milled into the profile body at the intended mutual spacing of the lower rolls. The profile body is advantageously designed to be interchangeable, so that if, in exceptional cases, a change in the mutual spacing of the lower rollers appears desirable, it can be exchanged for another profile body with the recesses made at the desired distance.
In der Zeichnung ist ein Ausführungsbeispiel der Erfindung in perspektivischer Ansicht dargestellt. Sie zeigt einen Ausschnitt aus einem Streckwerk größerer Länge.In the drawing, an embodiment of the invention is shown in perspective view. It shows a section of a drafting system of greater length.
Aus der Zeichnung sind Eingangsunterwalze 1 , Mittelunterwalze 2 und Ausgangsunterwalze 3 eines typischen Spinnmaschinen-Streckwerkes mit drei Walzenpaaren und Unter emchen dargestellt. Den angetriebenen Unterwalzen sind selbstverständlich hier nicht gezeigte, druckbelastete Oberwalzen zugeordnet, die mit den UnterwalzenFrom the drawing input lower roller 1, middle lower roller 2 and output lower roller 3 of a typical spinning machine drafting system with three pairs of rollers and sub emchen are shown. The driven lower rollers are of course assigned pressure-loaded upper rollers, not shown here, that are associated with the lower rollers
Walzenpaare zum Verziehen eines Faserverbandes bilden. Weitere geläufige Bestandteile des Streckwerkes sind Luntenführer 4, die an einer längsverschiebbaren Lunten- führerschiene 5 befestigt sind und eine Unterriemchen-Wendeschiene 6, um die hier nicht dargestellte Unterriemchen geführt sind.Form pairs of rollers to warp a fiber structure. Other common components of the drafting system are sliver guides 4, which are fastened to a longitudinally slidable sliver guide rail 5 and a lower apron reversing rail 6, around which the lower apron, not shown here, is guided.
Es versteht sich, dass die Erfindung auch an Streckwerken mit anderem Aufbau, also mit mehr als drei Walzenpaaren, ohne Riemchen usw. ausführbar ist.It goes without saying that the invention can also be carried out on drafting systems with a different structure, that is to say with more than three pairs of rollers, without straps, etc.
Die Unterwalzen 1 , 2 und 3 sind in Wälzlager enthaltenden Lagerkörpern 7 gelagert, die durch Lagerdeckel 8 in ihrer Stellung gehalten werden. Die Lagerdeckel 8 tragen Schmiernippel 9, über die die Wälzlager mit Fett versorgt werden können.The lower rollers 1, 2 and 3 are mounted in bearing bodies 7 containing roller bearings, which are held in position by bearing caps 8. The bearing caps 8 carry grease nipples 9, via which the rolling bearings can be supplied with grease.
Die Lagerkörper 7 sitzen in passenden Ausnehmungen 10, die in einen Profilkörper 11 eingearbeitet sind. Dieser Profilkörper besteht in der Darstellung aus einem nach unten offenen U-Profil aus Blech. Wie schon erwähnt, kann anstelle des Blechteils auch ein gezogenes oder gerolltes U-förmiges oder kastenförmig geschlossenes Profil zumThe bearing body 7 sit in matching recesses 10, which are incorporated in a profile body 11. This profile body consists of a U-profile made of sheet metal that is open at the bottom. As already mentioned, a drawn or rolled U-shaped or box-shaped closed profile can be used instead of the sheet metal part
Einsatz kommen. Wie erkennbar sind in den Profilkörper 11 auch Nuten 12 bzw. 13 zumCome into play. As can be seen, grooves 12 and 13 are also in the profile body 11
Aufnehmen der Luntenführerschiene 5 und der Unterriemchen-Wendeschiene 6 eingearbeitet. In den beiden Stegen 14 des Profilkörpers 11 sind Befestigungslöcher 15 eingebracht, mittels deren er an entsprechend angeordneten Tragstücken des Gestells der Spinnereimaschine befestigt werden kann. Diese Tragstücke können aus einem Reststück der Stanze bestehen, die dann durch den Profikörper 11 vervollständigt wird. Es ist aber auch möglich, andere Teile des Maschinengestells als den Profikörper aufnehmende Tragstücke auszubilden, so dass keine eigentliche Stanze mehr vorhanden ist. Ebenso versteht es sich, dass die Profilkörper 11 auch auf andere Weise als mittels der Befestigungslöcher 15 montierbar sein können. Es versteht sich, dass die Profikörper 11 wie übliche Stanzen im gegenseitigen Abstand von meist sechs oder acht Spinnstellen angeordnet sind.Incorporation of the sliver guide rail 5 and the lower apron reversing rail 6 incorporated. Fastening holes 15 are made in the two webs 14 of the profile body 11, by means of which it can be fastened to correspondingly arranged support pieces of the frame of the spinning machine. These support pieces can consist of a remaining piece of the punch, which is then completed by the professional body 11. However, it is also possible to design parts of the machine frame other than the supporting pieces receiving the professional body, so that there is no longer any actual punch. It is also understood that the profile body 11 can also be mounted in a different way than by means of the mounting holes 15. It goes without saying that the professional bodies 11, like conventional punches, are arranged at a mutual spacing of usually six or eight spinning positions.
BezugszahlenlisteLIST OF REFERENCE NUMBERS
1 Eingangsunterwalze 2 Mittelunterwalze 3 Ausgangsunterwalze 4 Luntenführer 5 Luntenführerschiene 6 Unterriemchen-Wendeschiene 7 Lagerkörper 8 Lagerdeckel 9 Schmiernippel 10 Ausnehmungen 11 Profilkörper 12 Nut für Luntenführerschiene 13 Nut für Unterriemchen-Wendeschiene 14 Stege des Profilkörpers 15 Befestigungslöcher 1 input lower roller 2 middle lower roller 3 output lower roller 4 sliver guide 5 sliver guide rail 6 lower apron reversing rail 7 bearing body 8 bearing cover 9 grease nipple 10 recesses 11 profile body 12 groove for sliver guide rail 13 groove for lower apron reversing rail 14 webs of the profile body 15 fastening holes

Claims

Patentansprüche claims
1. Vorrichtung zum Lagern der Unterwalzen von Spinnereimaschinen-Streckwerken, dadurch gekennzeichnet, dass die Vorrichtung als ein zumindest zum Aufnehmen der Lagerkörper (7) der Unterwalzen (1 , 2, 3) bestimmter Profilkörper (11) ausgebildet ist und Aussparungen (10, 12, 13) aufweist, in die die Lagerkörper einlegbar sind.1. Device for storing the lower rollers of spinning machine drafting systems, characterized in that the device is designed as a profile body (11) and recesses (10, 12) at least for receiving the bearing bodies (7) of the lower rollers (1, 2, 3) , 13) into which the bearing bodies can be inserted.
2. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass der Profilkörper (11) ein nach unten offnes U-Profil aus Blech ist.2. Device according to claim 1, characterized in that the profile body (11) is a downwardly open U-profile made of sheet metal.
3. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass der Profilkörper (11 ) auch Aussparungen (12, 13) für weitere Streckwerksteile wie Luntenführerschiene (5) und/oder Wendeschiene (6) für Streckwerksriemchen aufweist.3. Device according to claim 1, characterized in that the profile body (11) also has recesses (12, 13) for further drafting system parts such as sliver guide rail (5) and / or reversing rail (6) for drafting system straps.
4. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass der Profilkörper (11 ) auswechselbar ausgebildet ist. 4. The device according to claim 1, characterized in that the profile body (11) is designed to be replaceable.
EP05701363A 2004-02-12 2005-02-05 Device for supporting the bottom rolls of drawing assemblies in spinning machines Withdrawn EP1713964A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410007146 DE102004007146B4 (en) 2004-02-12 2004-02-12 Device for storing the lower rolls of spinning machine drafting systems
PCT/EP2005/001197 WO2005078175A1 (en) 2004-02-12 2005-02-05 Device for supporting the bottom rolls of drawing assemblies in spinning machines

Publications (1)

Publication Number Publication Date
EP1713964A1 true EP1713964A1 (en) 2006-10-25

Family

ID=34853457

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05701363A Withdrawn EP1713964A1 (en) 2004-02-12 2005-02-05 Device for supporting the bottom rolls of drawing assemblies in spinning machines

Country Status (4)

Country Link
EP (1) EP1713964A1 (en)
CN (1) CN100510217C (en)
DE (1) DE102004007146B4 (en)
WO (1) WO2005078175A1 (en)

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Publication number Priority date Publication date Assignee Title
DE102005047817A1 (en) * 2005-10-05 2007-04-19 Saurer Gmbh & Co. Kg Draw frame for ring spinning machines
DE102007023460B4 (en) * 2007-05-19 2017-06-22 Saurer Germany Gmbh & Co. Kg Drafting system for a spinning machine
CN101967701B (en) * 2010-10-18 2012-05-09 连云港天明装备有限公司 Novel swinging roller
CN102286815A (en) * 2011-07-20 2011-12-21 焦作市卷烟材料有限公司 Spinning roller relatively without vibration or noise
CN103215705B (en) * 2012-01-19 2016-04-06 江苏凯宫机械股份有限公司 Structure improved dominant draft roller shaft bearing
DE102015014421A1 (en) * 2015-10-22 2017-04-27 Saurer Germany Gmbh & Co. Kg Drawframe and bearing for a shaft of a drafting system
DE202015105942U1 (en) * 2015-11-06 2016-01-12 Rotorcraft Ag Bearing carriage for punching ring spinning machines
CN109234864A (en) * 2018-10-08 2019-01-18 合肥经新纺织科技有限公司 A kind of double twist yarn synchronous production devices and production method

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US2233957A (en) * 1939-10-12 1941-03-04 Saco Lowell Shops Spinning and similar machine
US2597718A (en) * 1949-10-17 1952-05-20 Karcher Floyde Josephine Field Spark plug
US2592718A (en) * 1950-11-06 1952-04-15 Southern Spindle & Flyer Co In Mounting for drawing rolls
US3035314A (en) * 1959-03-30 1962-05-22 Machinecraft Inc Spinning frames
DE2616957C3 (en) * 1976-04-17 1981-10-29 Spindelfabrik Suessen, Schurr, Stahlecker & Grill Gmbh, 7334 Suessen Method for replacing drafting devices on spinning machines and drafting device structural unit for carrying out the method
DE4318025A1 (en) * 1992-10-20 1994-04-21 Stahlecker Fritz Bearing support for lower rolls of spinning machine drafting systems - comprises steel pressings which form slot to accept bearing block projections
DE10044569A1 (en) * 1999-09-10 2001-04-12 Schaeffler Waelzlager Ohg Connecting rod is made up of two symmetrical sheet metal sections produced by deep drawing, rings containing roller bearings being mounted in orifices at either end of rod
CN2550386Y (en) * 2002-07-12 2003-05-14 天津宏大纺织机械有限公司 Drafting device

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Title
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Also Published As

Publication number Publication date
DE102004007146B4 (en) 2008-04-17
WO2005078175A1 (en) 2005-08-25
DE102004007146A1 (en) 2005-09-22
CN1918332A (en) 2007-02-21
CN100510217C (en) 2009-07-08

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