EP1275756A2 - Vorrichtung zum Schmelzspinnen und Kühlen einer Filamentschar - Google Patents
Vorrichtung zum Schmelzspinnen und Kühlen einer Filamentschar Download PDFInfo
- Publication number
- EP1275756A2 EP1275756A2 EP02013575A EP02013575A EP1275756A2 EP 1275756 A2 EP1275756 A2 EP 1275756A2 EP 02013575 A EP02013575 A EP 02013575A EP 02013575 A EP02013575 A EP 02013575A EP 1275756 A2 EP1275756 A2 EP 1275756A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- blow candle
- candle
- blow
- spinning
- spinneret
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
Definitions
- the invention relates to a device for melt spinning and cooling Filament family according to the preamble of claim 1.
- a polymer melt becomes by means of a spinneret with a large number of nozzle bores extruded filaments.
- the spinnerets must be used emerging filament strands are cooled to after further treatment as Threads or bundles of threads to be picked up. It is used as a cooling medium preferably used air that flows transversely to the direction of the thread and on the Filaments is directed.
- the cooling air can flow from outside to inside or penetrate from the inside out.
- the invention proceeds from the known Devices in which the cooling air flow is a filament family penetrates from the inside out, as for example from DE 37 08 168 A1 is known.
- the filament sheet is formed by an annular Spinneret generated by a spinning device.
- Cooling device is provided, which is essentially centered on the spinneret aligned aligned candle.
- the blow candle is with a holding device connected, through which a cooling medium inside the blow candle into the blow candle is initiated.
- the blow candle has a porous shell, for example consists of a sintered material so that the inflowing inside the blow candle Cooling air radially emerges from the blow candle and the filament coulter consents.
- the blow candle can be between one Adjust the operating position and a waiting position to start the filament coulter to enable at the start of the process.
- the blow candle In the operating position Blow candle in contact with the spinning device immediately below the spinneret held. In the waiting position, the blow candle is at a distance from the spinneret kept that no melt particles falling off the spinneret the blow candle affect. In the known device, the blow candle is used for this completely led out of the spinning area, so that especially longer Downtimes are unavoidable when a process is interrupted.
- the invention is characterized in that the spinneret is opposite the blow candle is shielded during the process interruption, so that from the spinneret dripping melt particles and filament residues can be collected safely.
- the waiting position of the blow candle can be advantageous by a position within form the spinning line, so that the operating position of the blow candle or the waiting position the blow candle can only be adjusted by adjusting the height of the blow candle is.
- the waiting position there is a distance between the spinneret and the blow candle formed so that a shielding agent between the spinneret and the blow candle is feasible.
- the shielding means is arranged on the side next to the blow candle and can be moved from a rest position to a shielding position between the spinneret and the blow candle.
- a particularly advantageous development of the invention makes guiding the blow candle in the waiting position and the movement of the shielding means in the Shield position linked together. So the downtime at a Shorten production interruptions considerably.
- the link of leading the Blow candle and the movement of the shielding agent is advantageous a control device that reaches an actuator for moving the shielding means controls.
- control device connected to a sensor that monitors the position of the blow candle.
- the sensor could, for example, be designed as a contact switch senses contact with the bals candle below the spinning device. As soon as the Blow candle detaches from the spinning device, is via the sensor of the control device a corresponding signal is given.
- control device directly with another Actuator is connected, which is provided for changing the position of the blow candle is. This can result in a change in the position of the blow candle Signal can be used directly to move the shielding means.
- a particularly advantageous development of the invention according to claim 5 sees before that the control device is connected to a thread break sensor.
- a separation between the blow candle and the spinneret is carried out.
- the signals from the thread break sensor become within the control device Activation of the actuators implemented.
- the blow candle can basically be operated in two different ways put on hold.
- the blow candle and the holding device firmly connected to one another, so that the blow candle and the holding device can be adjusted axially together.
- the blow candle can be relative to the holding device between the operating position and the waiting position adjust axially. Due to the axial mobility of the blow candle the particular advantage that regardless of the relative position between the holding device and the spinning device the blow candle in the operating position or the waiting position can be held.
- the blow candle is to be changed of the invention releasably connected to the holding device.
- the candle is removed from the holding device and after cleaning or after replacement on the holding device assembled.
- the holding device with the supply lines for the cooling medium can advantageously be kept stationary.
- the blow candle in the operating position by the between the blow candle and the holding device intended actuator kept. This ensures that the blow candle is guided and held safely in the operating position after each change.
- the actuator could be electrical, pneumatic or hydraulic be educated.
- the holding device of the cooling device is preferred for receiving one Preparation device used below the blow candle on the holding device is appropriate.
- the preparation device has a preparation ring on which is contacted by the film share and a preparation agent on the Filaments.
- the preparation ring is preferred formed from several ceramic discs.
- the development of the invention according to claim 12 is particularly advantageous to lead the cooling device completely out of the spinning line.
- FIG. 1 and 2 is a schematic of a first embodiment of the invention Device shown. 1 shows the device in operation 2 shows the device out of operation. In this respect, no express reference to one of the figures is made, the following description applies to both figures.
- the device consists of a spinning device 1 and one below the Spinning device 1 arranged cooling device 2.
- the spinning device 1 has on an underside of an annular spinneret 4, which is via a melt distributor 5 is connected to a spinning pump 6.
- the spinning pump 6 is a Melt line 7 connected to a melt generator (not shown here).
- the cooling device 2 below the spinning device 1 has a holding device 10 and a blow candle 9 connected to the holding device 10.
- the Blow candle 9 has a porous jacket, which is made, for example, of a fleece, Sieve cloth or a sintered material can be made.
- the blow candle 9 is closed by a centering projection 11.
- the connector 12 and the blow candle 9th are connected to each other via a conical seat 16.
- the connector 12 is tubular and extends in the axial extension of the blow candle 9. With the free end, the connector 12 is in a receiving piece 15th the holding device 10 inserted.
- the cylindrical connector 12 slidably guided within a centering opening 13 of the receiving piece 15.
- a seal 22 is provided on the circumference.
- the connector 12 is hollow cylindrical and with a Pressure chamber connected within the holding device 10. The pressure chamber is within the holding device 10 via an inlet 21 with a pressure source connected.
- the spring 14 is here between one Collar 29 of the connector 12 and a step 27 of the receiving piece 15 stretched.
- a preparation device 18 is provided on the circumference of the holding device 10, which has a preparation ring 19 introduced on the holding device 10.
- the preparation ring 19 is from the inside with a preparation liquid supplied, which is fed via a line 20.
- a shielding means 24 is located on the side next to the blow candle 9 and the spinneret 4 intended.
- the shielding means 24, which is designed, for example, as a sheet can be designed to be movable in the horizontal direction and for this purpose guided by an actuator 25.
- the actuator 25 is controlled by the control device 26 controlled.
- the control device 26 is coupled to a sensor 27, which on the stop 8 is arranged on the underside of the spinneret 4.
- the sensor 27 is designed as a contact sensor which passes through the centering projection 11 of the blow candle 9 can be actuated.
- Fig. 1 the device is shown in operation. This is the blow candle 9 held by the springs 14 and the connector 12 in an operating position.
- the centering lug 11 of the blow candle 9 lies against a stop 8 of the spinning device 1 on.
- the stop 8 is on the underside of the spinning device 1 in arranged substantially centrally to the spinneret 4.
- the Sensor 27 activated.
- the sensor 27 signals the control device 26 the operating position the blow candle 9.
- the actuator 25 for moving the shielding means 24 remains deactivated.
- the shielding means 24 is located on the side next to the Blow candle 9 in a rest position.
- a cooling medium preferably cooling air
- the cooling medium is transferred via the hollow cylindrical via the pressure chamber Connector 12 directed into the interior of the candle 9.
- Coolant evenly over the jacket of the blow candle 9 to the outside and penetrates a family of filaments 3 produced by the spinneret 4 from the inside to the inside Outside.
- a preparation is carried out in the preparation device 18.
- a preparation agent via the line 20 to the preparation ring 19.
- the preparation ring 19 could for example be made of a porous material, so that the Preparation agent evenly distributed in the preparation ring 19 and on the Surface for preparing the filaments emerges. After preparation, that's it Filament bundles ready for further processing.
- the filament family could, for example led into threads and wound up or brought together into a bundle of threads and put down as a jug.
- the device according to the invention is shown out of operation.
- the Blow candle 9 of the cooling device 2 is in a waiting position.
- the blow candle 9 with the connector 12 against the spring 14 axially in the thread running direction shifted, for example by an actuator (not shown here) is executable.
- the centering lug 11 of the blow candle 9 is released from the stop 8 of the spinning device 1.
- the sensor 27 registers the separation between the stop 8 and the centering attachment 11 of the blow candle 9 Actuator 25 activated.
- the shielding means 24 is then in from the rest position a shielding position between the spinneret 4 and the blow candle 9 performed.
- the blowing candle 9 is shielded from the spinneret 4 by the shielding means 24. Impairment of the blow candle 9 by, for example, cleaning work at the spinneret 4 are avoided. Only if there is a possible process malfunction is eliminated, the process can be continued by piecing. For this a command is given to the control device 26 from the outside in order to activate the actuator 25 to be activated such that the shielding means 24 from the shielding position in the Rest position is reset. After the shielding means 24 the rest position has reached the blow candle 9 from the waiting position back into the Operated position.
- the connector 12 can by not shown here Lock tools on the receiving piece 15 so that the spring 14 none Carry out unwanted adjustment of the blow candle 9 in the direction of the spinning device can.
- the blow candle 9 can be easily removed from the Loosen the cone seat 16, for example, to be replaced by a new blow candle become. This replacement can advantageously only be carried out by an operator execute so that the production interruption due to the blow candle change is minimized.
- the holding device 10 of the cooling device 2 can be held stationary during this procedure.
- the holding device 10 is adjustable in height relative to the spinning device 1 and / or is designed to be pivotable. The height adjustment of the holding device 10 is particularly advantageous for setting the preparation position during the operation of the device.
- the sensor 27 in a position between the holding device 10 and the blow candle 9 is arranged.
- the sensor 27 could extend of the shielding means 24 and retracting the shielding means 24.
- the sensor by electrical or optical Means is formed that have no direct contact with one of the device parts need.
- FIG. 3 shows a further exemplary embodiment of a device according to the invention shown. 3 is essentially identical to the previous embodiment, so that only the following essential differences are listed. The components with the same functions have been given identical reference numerals.
- FIG. 3 The embodiment shown in Fig. 3 is shown out of operation, wherein the blow candle 9 shortly before reaching the waiting position and the shielding means 24 are shown shortly before reaching the shielding position.
- the blow candle 9 is firmly coupled to the holding device 10. On the holding device 10 attacks an actuator 29, which the blow candle 9 and the holding device 10 between an operating position not shown here and a waiting position axially shifts.
- the actuator 29 is coupled to the control device 26.
- the shielding means 24 is arranged on the side at the free end of the blow candle 9.
- the shielding means 24 is pivotally mounted on a pivot axis 28.
- the shielding means 24 is provided with the actuator 25 designed as a swivel drive coupled.
- the actuator 25 is connected to the control device 26.
- a thread break sensor 30 is positioned in a suitable position.
- the thread break sensor 30 is coupled to the control device 26.
- a thread break sensor 30 which detects a thread break, is used for this purpose and signals.
- the thread break sensor 30 is coupled to the control device 26, so that after a thread break the actuator 29 for adjusting the blow candle 9 and the actuator 25 can be activated to adjust the shielding means 24.
- FIGS. 1 and 2 with a in Fig. 3 control of the shielding means shown.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Description
- Fig. 1 und 2
- schematisch ein erstes Ausführungsbeispiel der erfindungsgemäßen Vorrichtung;
- Fig. 3
- schematisch ein weiteres Ausführungsbeispiel der erfindungsgemäßen Vorrichtung
- 1
- Spinneinrichtung
- 2
- Kühleinrichtung
- 3
- Filamentschar
- 4
- Spinndüse
- 5
- Schmelzeverteiler
- 6
- Spinnpumpe
- 7
- Schmelzeleitung
- 8
- Anschlag
- 9
- Blaskerze
- 10
- Haltevorrichtung
- 11
- Zentrieransatz
- 12
- Anschlußstück
- 13
- Zentrieröffnung
- 14
- Feder
- 15
- Aufnahmestück
- 16
- Kegelsitz
- 17
- Ringraum
- 18
- Präparationseinrichtung
- 19
- Präparationsring
- 20
- Leitung
- 21
- Zulauf
- 22
- Dichtung
- 23
- Keramikscheiben
- 24
- Abschirmmittel
- 25
- Aktor
- 26
- Steuereinrichtung
- 27
- Sensor
- 28
- Schwenkachse
- 29
- Aktor
- 30
- Fadenbruchsensor
Claims (14)
- Vorrichtung zum Schmelzspinnen und Kühlen einer Filamentschar (3) mit einer Spinneinrichtung (1), welche eine ringförmige Spinndüse (4) zum Extrudieren der Filamentschar (3) aufweist, und mit einer unterhalb der Spinneinrichtung (1) angeordneten Kühleinrichtung (2), welche eine Haltevorrichtung (10) und eine mit der Haltevorrichtung (10) verbundene Blaskerze (9) aufweist, wobei die Blaskerze (9) im wesentlichen zentrisch zu der Spinndüse (4) mit Kontakt zu der Spinneinrichtung (1) in einer Betriebsstellung gehalten ist und wobei die Blaskerze (9) mit Abstand zu der Spinndüse (4) in eine Wartestellung führbar ist,
dadurch gekennzeichnet, daß
ein bewegliches Abschirmmittel (24) seitlich neben der Blaskerze (9) angeordnet ist und daß das Abschirmmittel (24) zwischen einer Ruheposition seitlich neben der Blaskerze (9) und einer Abschirmposition unmittelbar unterhalb der Spinndüse (4) bewegbar ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß
ein Aktor (25) zur Bewegung des Abschirmmittels (24) vorgesehen ist und daß der Aktor (25) mit einer Steuereinrichtung (26) verbunden ist, welche den Aktor (25) in Abhängigkeit von der Stellungsänderung der Blaskerze (9) steuert. - Vorrichtung nach Anspruch 2,
dadurch gekennzeichnet, daß
die Steuereinrichtung (26) mit einem Sensor (27) verbunden ist, welcher die Position der Blaskerze (9) überwacht. - Vorrichtung nach einem der Anspruch 1 bis 3,
dadurch gekennzeichnet, daß
ein weiterer Aktor (29) zur Stellungsänderung der Blaskerze (9) vorgesehen ist und daß der Aktor (29) mit der Steuereinrichtung (26) verbunden ist. - Vorrichtung nach Anspruch 4,
dadurch gekennzeichnet, daß
die Steuereinrichtung (26) mit einem Fadenbruchsensor (30) verbunden ist. - Vorrichtung nach einem der vorgenannten Ansprüche,
dadurch gekennzeichnet, daß
die Blaskerze (9) und die Haltevorrichtung (10) gemeinsam zwischen der Betriebsstellung und der Wartestellung axial verstellbar sind. - Vorrichtung nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß
die Blaskerze (9) relativ zu der Haltevorrichtung (10) zwischen der Betriebsstellung und der Wartestellung axial verstellbar ist. - Vorrichtung nach Anspruch 7,
dadurch gekennzeichnet, daß
die Blaskerze (9) und die Haltevorrichtung (10) lösbar miteinander verbunden sind, so daß die Blaskerze (9) in der Wartestellung auswechselbar ist. - Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß
der Aktor (14) zwischen der Blaskerze (9) und der Haltevorrichtung (10) vorgesehen ist, welcher die Blaskerze (9) in der Betriebstellung zwischen der Haltevorrichtung (10)-und der Spinneinrichtung (1) eingespannt hält. - Vorrichtung nach einem der vorgenannten Ansprüche,
dadurch gekennzeichnet, daß
die Haltevorrichtung (10) unterhalb der Blaskerze (9) eine Präparationseinrichtung (18) trägt, welche einen von der Filamentschar (3) kontaktierten Präparationsring (19) aufweist. - Vorrichtung nach Anspruch 10,
dadurch gekennzeichnet, daß
der Präparationsring (19) aus mehreren Keramikscheiben (23) gebildet ist. - Vorrichtung nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet, daß
die Haltevorrichtung (10) relativ zur Spinneinrichtung (1) verschwenkbar ausgebildet ist. - Verfahren zum Schmelzspinnen und Kühlen einer Filamentschar, bei welchem die Filamentschar aus einer ringförmigen Spinndüse ausgesponnen werden und bei welchem die Filamentschar durch einen mittels einer Blaskerze erzeugten radialen Kühlluftstrom gekühlt werden, wobei zum Anspinnen bei Prozeßbeginn die Blaskerze aus einer Betriebsstellung in eine Wartestellung mit Abstand zu der Spinndüse geführt wird,
dadurch gekennzeichnet, daß
die Spinndüse während einer Prozeßunterbrechung durch ein selbsttätig in eine Abschirmposition bewegtes Abschirmmittel von der Blaskerze abgeschirmt wird. - Verfahren nach Anspruch 13,
dadurch gekennzeichnet, daß
das Führen der Blaskerze in die Wartestellung und die Bewegung des Abschirmmittels in die Abschirmposition miteinander verknüpft ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10134003 | 2001-07-12 | ||
DE10134003A DE10134003A1 (de) | 2001-07-12 | 2001-07-12 | Vorrichtung zum Schmelzspinnen und Kühlen einer Filamentschar |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1275756A2 true EP1275756A2 (de) | 2003-01-15 |
EP1275756A3 EP1275756A3 (de) | 2003-03-26 |
EP1275756B1 EP1275756B1 (de) | 2008-05-07 |
Family
ID=7691608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02013575A Expired - Lifetime EP1275756B1 (de) | 2001-07-12 | 2002-06-20 | Vorrichtung zum Schmelzspinnen und Kühlen einer Filamentschar |
Country Status (5)
Country | Link |
---|---|
US (1) | US6918751B2 (de) |
EP (1) | EP1275756B1 (de) |
JP (1) | JP4290934B2 (de) |
CN (1) | CN1287014C (de) |
DE (2) | DE10134003A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105332068A (zh) * | 2015-12-11 | 2016-02-17 | 天津英鸿光大纳米科技有限公司 | 熔融静电纺丝设备 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10105440A1 (de) * | 2001-02-07 | 2002-08-08 | Neumag Gmbh & Co Kg | Vorrichtung zum Schmelzspinnen und Kühlen einer Filamentschar |
DE10141670A1 (de) * | 2001-08-25 | 2003-03-06 | Neumag Gmbh & Co Kg | Vorrichtung zum Schmelzspinnen und Kühlen einer Filamentschar |
EP1467005A1 (de) * | 2003-04-12 | 2004-10-13 | Saurer GmbH & Co. KG | Verfahren und Vorrichtung zum Schmelzspinnen und Kühlen einer Filamentschar |
CN1306078C (zh) * | 2003-04-14 | 2007-03-21 | 南亚塑胶工业股份有限公司 | 一种细旦聚酯预延伸丝的制造方法 |
JP5386951B2 (ja) * | 2008-11-28 | 2014-01-15 | 東レ株式会社 | 油剤塗布装置 |
DE102014015729A1 (de) * | 2014-10-23 | 2016-04-28 | Oerlikon Textile Gmbh & Co. Kg | Vorrichtung und Verfahren zum Schmelzspinnen und Kühlen einer Filamentschar |
DE102016004715A1 (de) * | 2016-04-19 | 2017-10-19 | Oerlikon Textile Gmbh & Co. Kg | Vorrichtung zum Abkühlen einer ringförmigen extrudierten Filamentschar |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4098564A (en) * | 1976-10-18 | 1978-07-04 | Phillips Fibers Corporation | Apparatus suitable for protecting a spinneret in a spinneret pack |
EP0050483A1 (de) * | 1980-10-21 | 1982-04-28 | Fiber Industries, Inc. | Verfahren, Vorrichtung und Fadenführer für die Herstellung von Schmelzspinnfasern |
EP0957187A2 (de) * | 1998-05-14 | 1999-11-17 | Ems-Inventa Ag | Vorrichtung und Verfahren zur Herstellung von Mikrofilamenten von hoher Titer-Gleichmässigkeit aus thermoplastischen Polymeren |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3858386A (en) * | 1971-07-06 | 1975-01-07 | Fiber Industries Inc | Polyester yarn production |
CH667676A5 (de) * | 1985-09-18 | 1988-10-31 | Inventa Ag | Vorrichtung zum abkuehlen und praeparieren von schmelzgesponnenem spinngut. |
CH673659A5 (de) | 1987-03-05 | 1990-03-30 | Inventa Ag | |
DE19544662A1 (de) * | 1995-11-30 | 1997-06-05 | Rieter Automatik Gmbh | Schmelzespinnvorrichtung |
DE19653451C2 (de) * | 1996-12-20 | 1998-11-26 | Inventa Ag | Verfahren zur Herstellung eines Polyester-Multifilamentgarnes |
-
2001
- 2001-07-12 DE DE10134003A patent/DE10134003A1/de not_active Withdrawn
-
2002
- 2002-06-20 DE DE50212208T patent/DE50212208D1/de not_active Expired - Lifetime
- 2002-06-20 EP EP02013575A patent/EP1275756B1/de not_active Expired - Lifetime
- 2002-06-27 CN CNB021234191A patent/CN1287014C/zh not_active Expired - Fee Related
- 2002-07-11 US US10/194,652 patent/US6918751B2/en not_active Expired - Fee Related
- 2002-07-12 JP JP2002204611A patent/JP4290934B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4098564A (en) * | 1976-10-18 | 1978-07-04 | Phillips Fibers Corporation | Apparatus suitable for protecting a spinneret in a spinneret pack |
EP0050483A1 (de) * | 1980-10-21 | 1982-04-28 | Fiber Industries, Inc. | Verfahren, Vorrichtung und Fadenführer für die Herstellung von Schmelzspinnfasern |
EP0957187A2 (de) * | 1998-05-14 | 1999-11-17 | Ems-Inventa Ag | Vorrichtung und Verfahren zur Herstellung von Mikrofilamenten von hoher Titer-Gleichmässigkeit aus thermoplastischen Polymeren |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105332068A (zh) * | 2015-12-11 | 2016-02-17 | 天津英鸿光大纳米科技有限公司 | 熔融静电纺丝设备 |
CN105332068B (zh) * | 2015-12-11 | 2018-03-02 | 天津英鸿光大纳米科技有限公司 | 熔融静电纺丝设备 |
Also Published As
Publication number | Publication date |
---|---|
DE50212208D1 (de) | 2008-06-19 |
CN1287014C (zh) | 2006-11-29 |
US20030025239A1 (en) | 2003-02-06 |
CN1400340A (zh) | 2003-03-05 |
US6918751B2 (en) | 2005-07-19 |
JP4290934B2 (ja) | 2009-07-08 |
EP1275756B1 (de) | 2008-05-07 |
DE10134003A1 (de) | 2003-01-23 |
JP2003073918A (ja) | 2003-03-12 |
EP1275756A3 (de) | 2003-03-26 |
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