EP1249422A2 - Garnreinigungseinrichtung an der Spulstelle einer Textilmaschine - Google Patents
Garnreinigungseinrichtung an der Spulstelle einer Textilmaschine Download PDFInfo
- Publication number
- EP1249422A2 EP1249422A2 EP02003948A EP02003948A EP1249422A2 EP 1249422 A2 EP1249422 A2 EP 1249422A2 EP 02003948 A EP02003948 A EP 02003948A EP 02003948 A EP02003948 A EP 02003948A EP 1249422 A2 EP1249422 A2 EP 1249422A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- yarn
- thread
- cleaning device
- measuring head
- length
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- B65H61/00—Applications of devices for metering predetermined lengths of running material
- B65H61/005—Applications of devices for metering predetermined lengths of running material for measuring speed of running yarns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
- B65H63/062—Electronic slub detector
-
- 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
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Definitions
- the invention relates to a yarn cleaning device according to the Preamble of claim 1.
- a yarn sensor is used continuously Transverse dimension of the thread, for example the thickness of the thread, detected. If the specified values are exceeded or undershot the cross dimension of the thread becomes the length of this Tolerance exceeded determined. Depending on the degree of Thickness deviation and the length of the deviation will decided whether the error only registered or whether the Yarn section with an impermissible error caused by Cleaner cut or a spin interruption is eliminated.
- a quality matrix is created for this decision, in for example the diameter deviation in percent and the error length is entered in millimeters.
- the desired degree of purification is set and predefined for the machine or the workplace.
- the receives measured values required for determining the error length the cleaner for example, by detecting the current one Surface speed or the speed of the Drive roller, which uses the friction in the cheese Rotation offset. Jobs with such Cleaners are, for example, from CH 635 300 A5, from DE 29 18 740 C2, from DE 39 11 505 A1 or the generic DE 196 40 184 A1 known.
- the CH 669 779 A5 describes the length measurement of the current Thread on winding machines producing cross-wound bobbins.
- the Length measurement is done using an optical Correlator.
- the length of the wound thread can be determined as accurately as possible in order to Example in the weaving preparation the rewinding of Residual bobbins or waste due to remaining on the bobbins To reduce or to avoid yarn residues altogether.
- the yarn is for example from a spinning cop to that of one Slotted reel driven reel.
- Such Grooved drum is also used as a drive roller with a reverse thread designated.
- One probe with built-in knife and one Control units are used for electronic yarn cleaning.
- the Length measuring device consists of another probe, which contains an optical device and a preamplifier and from a counting and display unit, which all other Contains circuits. From the yarn cleaner or from one mechanical thread button and from the drive device of the Cheese, the length measuring device receives the information that a yarn is actually being wound. This is to be avoided be that in the rewinding pauses or at Thread interruptions Measured values are recorded, too lead to erroneous results.
- the counting unit receives Signals from the length measuring device. After reaching the Target length of the thread wound on the package a signal from the counting unit to the thread cleaner and the thread is cut by the built-in knife. On further data exchange between the Length measuring device and the thread cleaner does not take place.
- Another device for measuring the speed of DE 42 25 842 A1 shows threads on a winding device.
- the winding device is used to manufacture packages, the rotation of the cheese by means of the friction effect of a drive roller is generated.
- a runtime correlator circuit with two at a fixed distance in the direction of movement of the running textile thread successively arranged measuring points, which is used for non-contact measurement, and another Signalers are connected to each other.
- the signal generator is trained as a pickup, the pulses from one with the Drive roller of the bobbin receives connected pole wheel.
- the density of the pulse train is a measure of the Peripheral speed of the known in diameter Drive roller and therefore almost for speed of the running thread.
- the generic DE 196 40 184 A1 describes the complete cleaning both long and short Yarn defects on the winding units of a winding machine. This will after a yarn error occurs the length of the defective thread between the time of occurrence the error and the time of thread cutting. to Removal of the defective piece of thread becomes a suction pipe positioned in front of the package. The thread end will uncoiled, the entry of the thread by means of a in the Suction tube arranged thread end sensor determined and the unwound from the package and into the suction tube incoming thread length determined.
- the unwinding process will stopped when based on the determined thread length such thread length has been sucked into the suction tube that when subsequently inserting the thread on the package in the thread end connector since the occurrence of Thread error still wound thread length outside of Thread end connecting device for severing remains.
- the Quality monitoring of the yarn is carried out by a measuring head Cleaner.
- the speed of the cleaner during the winding process continuous thread varies for example depending on the Laying frequency of the thread by approximately ⁇ 35 percent. Corresponding are inaccurate according to the prior art by evaluation of the drive roll impulses obtained yarn error lengths for the Cleaning the yarn.
- a yarn cleaning device the so is set up that the device for determining the Longitudinal extension of a yarn defect a non-contact working measuring head with two in the direction of movement of the running thread successively arranged measuring points has and a runtime correlator for evaluating the time sequence of the detected measured values has increased the accuracy of the measured error length significantly.
- a higher measuring certainty can also be applied to a "Safety surcharge" when determining the Cleaning limits in the quality matrix completely or partially waived.
- a surcharge exists for example in a shortening of the as inadmissible predetermined error length to ensure that despite Occurrence of the measurement inaccuracy a certain impermissible Error is still detected and cut out.
- Will out on the drive roller according to the prior art detected pulses determined a speed that is lower than the actual speed of the through the detergent measuring head of the yarn cleaning device is running Fadens, an error length that is shorter than the actual error length. This could actually existing impermissible errors are not recognized as such and undesirably reduce the yarn quality. In contrast, becomes a Determined speed that is higher than the actual Speed, based on the measurement results inadmissible errors closed, although such is not and the number of cleaner cuts or Spinning interruptions are therefore unnecessarily increased.
- a device for determining the longitudinal extent of a Yarn error with a non-contact measuring head two in a row in the direction of movement of the running thread arranged measuring points and a Runtime correlator for evaluating the time sequence of the has detected measured values it can be with the two Yarn sensors attached to the two in a row Measuring points are used to work without contact Act sensors, for example, on optical or work on a capacitive basis.
- the yarn sensors detect one stochastic function of the transverse dimension of the running thread, the fluctuations of the transverse dimension mass, volume or Diameter fluctuations can be.
- the transverse dimension of the running thread can detect the Signals representing the transverse dimension of the running thread on the one hand for a highly precise determination of the Yarn speed, and on the other hand advantageous for a Quality monitoring of the yarn can be used.
- This also has the advantage that the transverse dimension of the running thread and the yarn speed can be measured in the same place and therefore not caused by different measuring locations Falsifications of the measurement result can occur.
- a separate detergent measuring head for thread cleaning eliminated.
- a further increase in measurement reliability is preferred thereby achieved that the yarn cleaning device so is set up as a signal to monitor the Cross dimension of the running thread a third signal as the arithmetic mean of the respective measured values of the two measuring points is formed.
- Leave with a yarn cleaning device according to the invention an increase in measuring accuracy in an advantageous manner and measurement reliability, an improvement in the quality of the yarn as well as cost savings and productivity increases at the Achieve textile machine.
- the thread 1 is one Draw off spool 2 and passes through a regulated Thread brake 3, a cleaner 4, a cutting device 5 and the measuring head 6 of a device for determining the continuous thread length before going through with a Reverse thread grooves provided drive roller 7 in a Traversing movement offset and wound on the package becomes.
- the drive roller 7 gives the package 8 by means of Frictional effect a rotational movement.
- the cheese 8 is carried by a coil holder 9, which in a swivel joint 10 in the machine frame 11 shown partially pivotable is stored.
- the thread 1 is subject to a continuous Quality monitoring. To do this, use the Cleaner measuring head 4 of the diameter of the running thread 1 measured. For diameter or thickness measurement the thread 1 becomes an optical known per se Sensor device used.
- the measuring head 6 has two in the direction of movement of the current Thread 1 measuring points arranged one behind the other, each with a yarn sensor 12, 13.
- the measured values of the yarn sensors 12, 13 are evaluated via a runtime correlator 14 and the Thread speed determined. Via an integrator Thread speed for the cumulative run length determination of the Fadens evaluated.
- An angle sensor 15 gives signals proportional to the Thread speed. To generate the pulses is on the Shaft 16 of the drive roller 7 arranged a pole wheel 17, the individual poles as they pass the angle sensor 15 be registered. The number of pulses is counted and via the control device 18 to the runtime correlator 14 Range specification for the correct engagement of the control loop fed.
- the control device 18 includes an evaluation and Memory module.
- the control device 18 has a module for the save the specified thread length and the specified Yarn length and the accumulated yarn length together to compare.
- the accumulated yarn length reaches the predetermined value, the control device 18 generates a Signal with which the cutting device 5 is activated and the Thread 1 is cut.
- the wrapping process will end full bobbin 8 removed and after inserting one Empty sleeve, not shown, a new winding process started.
- the cleaner measuring head 4 Detects the cleaner measuring head 4 an impermissible under or Exceeding the thickness of the thread 1, the length of this Yarn error detected via the control device 18. Shows that a according to the specified cleaning limits of Quality matrix of inadmissible yarn defects, the Cutting device 5 activated and a cleaner cut in performed in a known manner. After eliminating the defective thread section, such as from DE 196 14 184 A1 is known, the thread ends in a splicer 19 reconnected and the The winding process then continues.
- Figure 2 shows a winding unit with an alternative Formation of the yarn cleaning device according to the invention, which largely resembles the winding unit of Figure 1. in the This winding unit differs from the winding unit of FIG. 1 however, no separate cleaner measuring head.
- the yarn sensor 12 detects the thread thickness.
- the yarn sensor 12 is part of this one known per se and therefore not in detail shown optical measuring section. Becomes an impermissible Thickness deviation of the thread 1 is detected via the Link with the control device 18 the length of the Yarn error determined. Carrying out a cleaner cut as well as the end and beginning of the winding process are on the 2 winding unit analogous to that described in Figure 1 Process completed.
- the invention is of course not based on the execution limited, which is shown in Figures 1 and 2.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Quality & Reliability (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Abstract
Description
- Fig. 1
- eine Spulstelle einer Spulmaschine in vereinfachter Darstellung mit dem Meßkopf einer Längenmeßeinrichtung und einem Reinigermeßkopf im Fadenlauf,
- Fig. 2
- eine Spulstelle einer Spulmaschine in vereinfachter Darstellung mit dem Meßkopf einer Längenmeßeinrichtung.
Claims (3)
- Garnreinigungseinrichtung an der Spulstelle einer Textilmaschine, die eine Einrichtung zum Bestimmen der Längsausdehnung eines Garnfehlers umfaßt,
dadurch gekennzeichnet, daß die Einrichtung zum Bestimmen der Längsausdehnung eines Garnfehlers einen berührungslos arbeitenden Meßkopf (6) mit zwei in Bewegungsrichtung des laufenden Fadens (1) hintereinander angeordneten Meßpunkten aufweist sowie einen Laufzeitkorrelator (14) zur Auswertung der zeitlichen Abfolge der detektierten Meßwerte besitzt. - Garnreinigungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Garnreinigungseinrichtung so eingerichtet ist, daß sie vom Meßkopf (6) detektierte Meßwerte für die laufende Überwachung der Querdimension des Fadens (1) verwendet.
- Garnreinigungseinrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Garnreinigungseinrichtung so eingerichtet ist, daß als Signal zur Überwachung der Querdimension des Fadens (1) jeweils ein drittes Signal als arithmetischer Mittelwert aus den jeweiligen Meßwerten der beiden Meßpunkte gebildet ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10118660 | 2001-04-14 | ||
| DE10118660A DE10118660A1 (de) | 2001-04-14 | 2001-04-14 | Garnreinigungseinrichtung an der Spulstelle einer Textilmaschine |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| EP1249422A2 true EP1249422A2 (de) | 2002-10-16 |
| EP1249422A3 EP1249422A3 (de) | 2003-01-02 |
| EP1249422B1 EP1249422B1 (de) | 2005-05-04 |
| EP1249422B2 EP1249422B2 (de) | 2010-07-28 |
Family
ID=7681634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02003948A Expired - Lifetime EP1249422B2 (de) | 2001-04-14 | 2002-02-22 | Garnreinigungseinrichtung an der Spulstelle einer Textilmaschine |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1249422B2 (de) |
| JP (1) | JP2002348043A (de) |
| DE (2) | DE10118660A1 (de) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1521085A1 (de) * | 2003-09-13 | 2005-04-06 | Saurer GmbH & Co. KG | Verfahren und Vorrichtung zum berührungslosen Bestimmen der Geschwindigkeit eines laufenden Fadens |
| EP1795478A1 (de) | 2005-12-08 | 2007-06-13 | Murata Kikai Kabushiki Kaisha | Textilmaschine |
| WO2009143642A1 (de) | 2008-05-29 | 2009-12-03 | Uster Technologies Ag | Garnreinigermesskopf mit lösbarem kabelanschluss |
| WO2010034131A2 (de) | 2008-09-29 | 2010-04-01 | Uster Technologies Ag | Qualitätsuberwachung von spleissen in einem länglichen textilen prüfgut |
| WO2011038524A1 (de) | 2009-10-02 | 2011-04-07 | Uster Technologies Ag | Verfahren zum festlegen einer reinigungsgrenze auf einer garnreinigungsanlage |
| WO2012009820A1 (de) | 2010-07-21 | 2012-01-26 | Uster Technologies Ag | Elektrische schaltung mit verpolungsgeschütztem verbindungsteil |
| CN101659362B (zh) * | 2008-08-25 | 2012-11-21 | 村田机械株式会社 | 纱线卷绕装置及具有该纱线卷绕装置的自动络纱机 |
| WO2014020119A1 (de) * | 2012-08-03 | 2014-02-06 | Maschinenfabrik Rieter Ag | Auswerteverfahren und garnsensor |
| WO2014107817A1 (de) | 2013-01-09 | 2014-07-17 | Uster Technologies Ag | Ermittlung von fehlerursachen in einem produktionsprozess eines länglichen textilen gebildes |
| WO2014198733A1 (de) * | 2013-06-10 | 2014-12-18 | Maschinenfabrik Rieter Ag | Verfahren und spulstelle zur verbesserung eines spulprozesses einer textilmaschine |
| CN119340100A (zh) * | 2024-10-21 | 2025-01-21 | 广东工业大学 | 一种用于质子磁场传感器探头的线圈卷绕设备 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10342391A1 (de) * | 2003-09-13 | 2005-04-07 | Saurer Gmbh & Co. Kg | Verfahren und Vorrichtung zum Messen der Garngeschwindigkeit |
| DE102004013776B4 (de) * | 2004-03-20 | 2017-07-27 | Rieter Ingolstadt Gmbh | Verfahren und Vorrichtung zur Ausreinigung von Garnfehlern |
| JP5126590B2 (ja) | 2008-02-14 | 2013-01-23 | 村田機械株式会社 | 糸品質測定器及び糸巻取機 |
| DE102012103344A1 (de) | 2012-04-17 | 2013-10-17 | Maschinenfabrik Rieter Ag | Funktionseinheit einer Spulstelle mit einer Fadenspleißvorrichtung und einem Garnreiniger |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH422603A (de) * | 1965-07-06 | 1966-10-15 | Zellweger Uster Ag | Verfahren und Vorrichtung zur Vermeidung von unbegründeten Schnitten durch elektronische Garnreiniger beim Anlauf und Auslauf von Spulspindeln |
| FR2078547A5 (de) * | 1970-02-13 | 1971-11-05 | Monsanto Co | |
| US3844498A (en) * | 1970-05-28 | 1974-10-29 | Loepfe Ag Geb | Apparatus for evaluating the winding speed of cross-winders |
| GB1363648A (en) † | 1970-07-29 | 1974-08-14 | Agfa Gevaert | Method of testing a strip material and apparatus therefor |
| JPS4841089B1 (de) * | 1970-10-20 | 1973-12-04 | ||
| JPS519055B2 (de) † | 1971-09-03 | 1976-03-23 | ||
| JPS5322691A (en) † | 1976-06-22 | 1978-03-02 | Takao Sakai | Method of forming drummshaped worm gear |
| NL7708149A (nl) † | 1977-07-22 | 1979-01-24 | Akzo Nv | Inrichting voor het opwikkelen van een garen. |
| FR2450455A1 (fr) † | 1979-02-28 | 1980-09-26 | Anvar | Procede et dispositif pour la mesure des vitesses lineaires sans contact et sans marquage |
| JPS60236979A (ja) * | 1984-05-10 | 1985-11-25 | Toyoda Autom Loom Works Ltd | ヤ−ンクリヤラ− |
| JPS62255366A (ja) * | 1986-04-25 | 1987-11-07 | Murata Mach Ltd | 糸欠点検出方法 |
| IT1231288B (it) * | 1989-07-19 | 1991-11-28 | Eniricerche Spa | Metodo per determinare la velocita' dei fili. |
| CH683350A5 (de) * | 1991-09-11 | 1994-02-28 | Peyer Ag Siegfried | Verfahren und Vorrichtung zum Klassifizieren und Reinigen von Garnen. |
| DE4225842A1 (de) * | 1992-08-05 | 1994-02-10 | Schlafhorst & Co W | Vorrichtung zum Messen der Geschwindigkeit von Textilfäden an einer Wickeleinrichtung |
| JPH0881841A (ja) † | 1994-06-02 | 1996-03-26 | Zellweger Luwa Ag | 糸、ロービング、スライバ中の糸欠陥の原因を求めるための方法と装置 |
| DE19523055A1 (de) * | 1995-06-24 | 1997-01-02 | Akzo Nobel Nv | Verfahren zum Überwachen einer laufenden Fadenschar |
| DE19640184B4 (de) * | 1996-09-30 | 2005-10-13 | Saurer Gmbh & Co. Kg | Verfahren zum Ausreinigen von Garnfehlern an einer Spulstelle einer Spulmaschine |
| JP3159120B2 (ja) * | 1997-05-09 | 2001-04-23 | 村田機械株式会社 | 自動ワインダー |
| JP3209176B2 (ja) † | 1998-03-20 | 2001-09-17 | 村田機械株式会社 | 紡績機の表示システム |
| JPH11268872A (ja) † | 1998-03-20 | 1999-10-05 | Murata Mach Ltd | 紡績機の表示システム |
-
2001
- 2001-04-14 DE DE10118660A patent/DE10118660A1/de not_active Withdrawn
-
2002
- 2002-02-22 EP EP02003948A patent/EP1249422B2/de not_active Expired - Lifetime
- 2002-02-22 DE DE50202968T patent/DE50202968D1/de not_active Expired - Lifetime
- 2002-04-11 JP JP2002108952A patent/JP2002348043A/ja active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1521085A1 (de) * | 2003-09-13 | 2005-04-06 | Saurer GmbH & Co. KG | Verfahren und Vorrichtung zum berührungslosen Bestimmen der Geschwindigkeit eines laufenden Fadens |
| EP1795478A1 (de) | 2005-12-08 | 2007-06-13 | Murata Kikai Kabushiki Kaisha | Textilmaschine |
| WO2009143642A1 (de) | 2008-05-29 | 2009-12-03 | Uster Technologies Ag | Garnreinigermesskopf mit lösbarem kabelanschluss |
| CN101659362B (zh) * | 2008-08-25 | 2012-11-21 | 村田机械株式会社 | 纱线卷绕装置及具有该纱线卷绕装置的自动络纱机 |
| WO2010034131A2 (de) | 2008-09-29 | 2010-04-01 | Uster Technologies Ag | Qualitätsuberwachung von spleissen in einem länglichen textilen prüfgut |
| EP2338819A1 (de) | 2008-09-29 | 2011-06-29 | Uster Technologies AG | Qualitätsüberwachung von Spleissen in einem länglichen textilen Prüfgut |
| WO2011038524A1 (de) | 2009-10-02 | 2011-04-07 | Uster Technologies Ag | Verfahren zum festlegen einer reinigungsgrenze auf einer garnreinigungsanlage |
| WO2012009820A1 (de) | 2010-07-21 | 2012-01-26 | Uster Technologies Ag | Elektrische schaltung mit verpolungsgeschütztem verbindungsteil |
| WO2014020119A1 (de) * | 2012-08-03 | 2014-02-06 | Maschinenfabrik Rieter Ag | Auswerteverfahren und garnsensor |
| WO2014107817A1 (de) | 2013-01-09 | 2014-07-17 | Uster Technologies Ag | Ermittlung von fehlerursachen in einem produktionsprozess eines länglichen textilen gebildes |
| WO2014198733A1 (de) * | 2013-06-10 | 2014-12-18 | Maschinenfabrik Rieter Ag | Verfahren und spulstelle zur verbesserung eines spulprozesses einer textilmaschine |
| CN105263837A (zh) * | 2013-06-10 | 2016-01-20 | 里特机械公司 | 用于改善纺织机的卷绕过程的方法和卷绕工位 |
| US9845220B2 (en) | 2013-06-10 | 2017-12-19 | Maschinenfabrik Rieter Ag | Method and winding station for improving a winding process of a textile machine |
| CN105263837B (zh) * | 2013-06-10 | 2019-05-17 | 里特机械公司 | 用于改善纺织机的卷绕过程的方法和卷绕工位 |
| CN119340100A (zh) * | 2024-10-21 | 2025-01-21 | 广东工业大学 | 一种用于质子磁场传感器探头的线圈卷绕设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1249422A3 (de) | 2003-01-02 |
| EP1249422B1 (de) | 2005-05-04 |
| DE10118660A1 (de) | 2002-10-17 |
| DE50202968D1 (de) | 2005-06-09 |
| JP2002348043A (ja) | 2002-12-04 |
| EP1249422B2 (de) | 2010-07-28 |
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