EP0932712A1 - Falschdrall-texturiermaschine und verfahren zur herstellung eines texturierten fadens - Google Patents
Falschdrall-texturiermaschine und verfahren zur herstellung eines texturierten fadensInfo
- Publication number
- EP0932712A1 EP0932712A1 EP98945201A EP98945201A EP0932712A1 EP 0932712 A1 EP0932712 A1 EP 0932712A1 EP 98945201 A EP98945201 A EP 98945201A EP 98945201 A EP98945201 A EP 98945201A EP 0932712 A1 EP0932712 A1 EP 0932712A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- thread
- twist
- counter
- false twist
- texturing machine
- 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
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
- D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
- D02G1/0266—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting false-twisting machines
Definitions
- the invention relates to a false twist texturing machine for texturing a large number of thermoplastic threads and to a method for producing a textured thread.
- Such a false twist texturing machine is known from US Pat. No. 5,644,908.
- a thread is drawn from a supply spool by a first delivery mechanism and guided in a false twist zone.
- a heating device, a cooling device and a false twist unit are arranged in the false twist zone.
- the thread is stretched and fixed within the false twist zone.
- the false twist unit produces a twist that runs counter to the direction of the thread, so that within the cooling device and the heating device in which the thread is thermally treated, it has a twist.
- the thread is drawn off from a second delivery unit and led to a second heating device for post-heat treatment.
- the thread is then guided from the second heating device by means of a third delivery mechanism and conveyed to a winding device in which the thread is wound onto a bobbin.
- a swirling nozzle is arranged in the known false twist texturing machine between the third delivery unit and the winding device. The residual twist contained in the thread is destroyed.
- a false twist texturing machine is known from EP 0 532 458 B1, in which a thread is fed to a fall twist zone. A first heating device and a false twist unit are arranged in the false twist zone. The false twist unit creates a twist that runs counter to the direction of the thread. After the false twist unit, the thread is led to a second heating device. The second heating device is followed by a blowing nozzle which again gives the yarn a wrong twist, in a direction opposite to the direction of the twist generated in the false twist unit.
- the present invention is based on the object of further developing the false twist texturing machine mentioned at the outset and the method in such a way that the thread can be wound up without twist regardless of the thread speed.
- the invention is characterized in that the opposite twist generated by the counter twist device can run back into the second heating device unhindered against the thread running direction.
- the counter twist device is arranged in the thread run in front of the third delivery mechanism such that the counter twist device and the second heating device lie in one plane.
- the thread is thus guided in a straight thread path between the heating device and the counter twist device.
- the counter-twist generated occurs unabated against the direction of the thread up to Reaching the second delivery plant. This ensures that the thread is already twist-free during the heat treatment for relaxation.
- a fixation of a residual twist caused by the false twist aggregate is excluded.
- the counter twist device can hereby create a counter twist in the thread by friction, for example by means of disks or straps on the running thread. Since the counter twist device has to apply a considerably smaller torque to the thread in relation to the false twist unit, the counter twist could also be formed by a roller that overlaps the thread.
- the counter twist device is arranged directly at the outlet of the second heating device.
- the counter-twist is thus introduced into the heated thread.
- the thread In the heated state, the thread has a higher elasticity, so that the introduction of the counter-twist is possible with little expenditure of energy.
- the design of the counter twist device can be used particularly preferably as a swirling nozzle, since the counter-twist on the thread is generated on the one hand by the air flow entering tangentially into a thread channel and, on the other hand, cooling of the thread is effected at the same time.
- Another advantage of this embodiment of the false twist texturing machine according to the invention is that the texturing and thus the bulk of the thread is supported by the intermingling of the filaments of the yarn.
- the swirling nozzle with a thread channel is arranged in an axis of a heating tube of the second heating device. This ensures that the thread can be threaded simultaneously in the heater and in the intermingling nozzle without difficulty.
- a so-called Z-twist or an S-twist can be generated by the false twist unit.
- the direction of rotation of the false twist unit is changed.
- the swirl nozzle is connected to the heating pipe of the heating device by a detachable adapter.
- the swirl nozzle is symmetrical with respect to a central plane perpendicular to the thread channel, so that swapping the swirl direction is possible by swapping the inlet and outlet sides of the swirl nozzle.
- the counter-twist device have an essentially rotationally symmetrical, rotatable body, over which the thread is guided at an angle a, the normal of the thread and a normal to an axis of the body included angle a is less than 90 °.
- Such a counter-twist device achieves a uniform and reliable introduction of a counter-twist into the thread.
- the counter-twist device preferably has a cylindrical, rotatable body, over which the thread is guided at an angle.
- the angle is preferably adjustable.
- the setting is preferably carried out by pivoting the axis of the body of the counter-sender.
- the body of the counter-twist device can be driven.
- the method according to the invention for producing a textured thread is characterized in that the counter-twist on the heated thread is generated directly at the exit of the second heating section.
- the residual twist in the thread can thus be completely eliminated, so that a completely twist-free thread can be fed to the winding and wound up.
- the counter-twist in the thread can be introduced in a simple manner without substantial energy supply and thus without significantly influencing the yarn properties such as the bulk. Since the counter-swirl is generated directly at the exit of the second heating section, it can propagate undiminished into the heating device and be fixed in it.
- a particularly advantageous variant of the method provides that the thread is twisted by a cold air stream flowing eccentrically into the thread running direction in a thread channel. The thread is thus cooled immediately after it leaves the heater, which improves the fixation of the counter-swirl and thus the twist-free nature of the thread.
- the thread runs through a counter-twist device, the thread being guided over an essentially rotationally symmetrical, rotatable body at an angle et, whereby the thread and an included angle perpendicular to an axis of the body is less than 90 °.
- This procedure ensures that a sufficient counter-twist is always introduced into the thread, so that the thread is essentially twist-free after the counter-twist device.
- the counter-swirl is generated essentially mechanically. A better equalization of the counter-swirl is also achieved.
- the thread is guided over a cylinder-shaped, rotatable body of the counter-twist device.
- This procedure leads to a counter-twist in the thread with relatively simple means.
- the angle at which the thread overflows the body of the counter-twist device is preferably adjustable, so that the counter-twist device can be adapted to the false twist transmitter or to the remaining twist of the thread.
- the body of the counter-swirl device be driven.
- a driven body reduces friction between the body and the thread running on the body. If the friction effect of the body of the counter-swirl device can be neglected, the body can also be without a positive drive.
- Fig. 1 shows schematically an embodiment of a false twist texturing machine according to the invention
- FIG 3 shows an exemplary embodiment of a counter twist device at the heater outlet
- FIG. 4 shows a cross section through the swirling nozzle from FIG. 3; 5 shows yet another exemplary embodiment of a false twist texturing machine according to the invention;
- Fig. 6 shows an embodiment of a counter twist device.
- the false twist texturing machine has a plurality of processing points in the longitudinal direction (in the figures the drawing plane is equal to the transverse plane), one thread being processed per processing point. Since the winding devices take up a width of three processing points, three winding devices 9 are arranged one above the other on the winding frame 1 in a column. Accordingly, three supply coils 7 are also arranged one above the other in a gate frame 2.
- Each processing point has a supply spool 7, on each of which a thermoplastic thread 4 is wound.
- the thread 4 is drawn off via a head thread guide 12 under a certain tension by the first delivery mechanism 13.
- the direction of the thread is marked with an arrow.
- the thread 4 is then passed through a deflection roller 11.1 into a false twist zone.
- the thread 4 first passes through a first elongated heating device 8.
- the thread 4 is heated to a certain temperature in the first heating device 8.
- the first heating device could, for example, be designed as a high-temperature heater in which one Surface temperature is above 310 ° C.
- the thread 4 is guided a short distance above the heating surface.
- Such a heating device is known for example from EP 0 412 429 (Bag. 1720). To this extent reference is made to this document.
- a cooling device 10 is located behind the first heating device 8.
- the cooling device 10 is designed as an elongated cooling rail. Between the first heating device 8 and the cooling device 10, the thread is passed over a deflection roller 11.2, so that the first heating device 8 and the cooling device 10 are arranged in a V-shape with respect to one another.
- the texturing machine according to the invention is not limited to such an arrangement, but also allows any other association between the first heating device and the cooling device, for example in order to implement a straight thread run, as described later.
- This false twist unit 14 can be designed as a friction disc unit, as described for example in EP 0 744 480 (Bag. 2322).
- the false twist unit 14 represents the end of the false twist zone.
- the false twist unit 14 serves to produce a so-called false twist in the thread 4. This false twist is planted within the false twist zone back to the first delivery unit 13. The false twist runs through the first heating device 8. The false twist is fixed within the first heating device 8 in the filaments of the thread 4 and the thread is stretched. Texturing of the thread is thereby achieved.
- the thread 4 is deflected between the cooling device 10 and the false twist unit 14 by means of a deflection roller 11.3.
- a second delivery mechanism 15 serves to pull the thread 4 both over the heating device 8 and over the cooling device 10.
- a second heating device 16 is located behind the second delivery mechanism 15 in the thread running direction.
- This second heating device 16 can be designed as a heating tube which is surrounded by a heating jacket, the heating tube being heated to a specific temperature from the outside with steam.
- the second heating device 16 could also be designed as a high-temperature heater.
- the second heating device 16 is followed by a counter twist device 17, the second heating device 16 and the counter twist device 17 being arranged in one plane, so that the thread 4 does not receive any deflection between the second heating device 16 and the counter twist device 17.
- the thread 4 is here pulled by means of a further third delivery mechanism 18 from the second heating device 16 through the counter twist device 17 and conveyed to a winding device 9.
- the thread is deflected between the counter twist device 17 and the third delivery mechanism 18 by means of a deflection roller 11.4.
- the thread 4 is wound on a winding spool 20 which is driven by a friction roller 19.
- a traversing device by means of which the thread 4 is moved back and forth on the take-up spool 20 and wound thereon as a cross-winding.
- the coil 20 is attached to a coil holder 21.
- the coil holder 21 and the winding frame 1 is pivotally arranged.
- the thread 4 with the first delivery mechanism 13 is drawn off from the supply spool 7 and into the wrong swirl zone promoted.
- the false twist is introduced into the thread 4 by the false twist unit 14.
- the false twist generated in this way runs counter to the thread running direction back to the first delivery mechanism or to the deflection roller 11.1, which could be designed as a twist stop roller.
- the thread is thus guided through the heating device 8 and the cooling device 10 in the wrongly twisted state. In the twisted state, the thread 4 is stretched and fixed in the heating device 8, which leads to a strong impression of the twist and thus to a good crimping result in the thread 4.
- the thread 4 After the thread 4 has left the false twist zone, the thread 4 has a residual twist. Such a residual twist, which leads to the twisting of the thread, is undesirable for subsequent further processing processes. Therefore, the thread in the counter twist device 17 receives a counter twist which is opposite in its direction of rotation to the direction of rotation of the false twist. This counter-twist now plants itself back to the second delivery unit 15. Since the counter-twist counteracts the remaining twist, the fixation and relaxation treatment of the thread in the second heating device 16 leads to a twist-free thread.
- the false twist texturing machine also consists of a gate frame 2, a process frame 3 and a winding frame 1.
- An operating aisle 5 is formed between the process frame 3 and the winding frame 1.
- the gate frame 2 is arranged at a distance from the winding frame 1 on the side of the winding frame 1 opposite the operating aisle 5.
- a doffgang 6 is thus formed between the winding frame 1 and the gate frame 2.
- winding frame three winding devices 9 are arranged one above the other, each belonging to a processing point of the machine.
- the thread 4 is drawn off from a supply spool 7 arranged in the creel frame 2 via a head thread guide 12 by a first delivery mechanism 13.
- the thread is then conveyed from the first delivery mechanism 13 into the false twist zone, which comprises a heating device 8, a cooling device 10 and a false twist unit 14.
- the thread 4 is then withdrawn from the false twist zone by a second delivery mechanism 15.1.
- Another delivery unit 15.2 is arranged immediately before the entrance of a second heating device 16 to the second delivery unit 15.1.
- the additional delivery unit 15.2 conveys the thread into the post-treatment zone.
- the speed of the thread 4 is adjusted by the third delivery mechanism 18 downstream of the aftertreatment zone.
- the third delivery mechanism then leads the thread 4 to the winding device 9.
- the thread 4 is on a winding spool
- the winding device 9 has a bobbin store 22 which serves to hold the full bobbin when a full winding bobbin 20 has been produced on the winding device.
- the spindle carrier is pivoted and the full bobbin is placed on a roll-off path.
- the unwind path is part of the bobbin store 22.
- the full bobbin 20 waits on the unwind path until it is transported away.
- each winding device 9 is assigned a tube feed device 23, which is no longer described in detail. It is a case memory on which several empty cases are temporarily stored.
- a swirling nozzle 25 is connected downstream of the second heating device 16 directly at the outlet.
- the swirling nozzle 25 is hereby provided as a counter twist device, which gives the thread a twist through an air flow introduced tangentially into a thread channel.
- the swirling nozzle 25 is fastened to the second heating device 16 by means of an adapter 26.
- a compensating tube 27 is arranged on the side of the adapter 26 facing away from the second heating device 16.
- the thread 4 is deflected within the adapter 26 by a thread guide, so that the thread is guided through the compensating tube 27 to the third delivery mechanism 18.
- the compensating tube 27 is arranged below a platform 28.
- the platform 28 serves as the operating aisle 5.
- the operating aisle 5 is formed between the process frame 3 and the winding frame 1.
- a counter-twist device is shown schematically in FIG. 3 directly at the outlet of the second heating device 16.
- the counter-twist device is formed by a swirling nozzle 25.
- the swirling nozzle 25 is arranged on the end face of a heating tube 29.
- the heating tube 29 is heated within the second heating device 16 by a heating jacket (not shown here).
- the swirling nozzle 25 has a thread channel 30.
- the thread channel 30 lies in the axis of the heating tube 29.
- an air duct 31 opens tangentially into the thread duct 30.
- Compressed air which flows into the thread duct 30, is preferably fed in through the air duct 31.
- the tangentially flowing air flow creates a counter-swirl on the thread 4.
- the swirl nozzle 25 is attached to the outlet of the heater tube 29 by means of an adapter 26.
- the swirling nozzle 25 is embedded in a receiving bore 32 of the adapter 26.
- the end of the heating tube 29 also protrudes into the receiving bore 32 of the adapter 26.
- the swirling nozzle and the end of the heating tube 29 are fixed by a shoulder formed at the end of the receiving bore 32.
- On the opposite side of the adapter 26, a further receiving hole 33 is made.
- the axes of the receiving bore 32 and 33 form an angle of ⁇ 180 °.
- the receiving bores 32 and 33 are joined together by a smaller bore 35. other connected.
- the receiving bore 33 serves to receive a compensating tube 27.
- a thread guide 34 is arranged at the end of the receiving bore 33 within the adapter 25, a thread guide 34 is arranged. On the thread guide 34, the thread is deflected out of the straight thread path of the swirling nozzle 25.
- a compressed air connection 36 is arranged on the adapter 26 and is connected to the air duct 31.
- the air flow 37 is fed to the swirling nozzle 25 via the compressed air connection.
- the arrangement shown in Fig. 3 has the advantage that the counter-swirl is generated directly at the heater outlet on the thread. By using a swirling nozzle, the filaments of the thread also open, so that the shrinking treatment in the heating device is improved.
- the false twist texturing machine also consists of a gate frame 2, a process frame 3 and a winding frame 1.
- An operating aisle 5 is formed between the process frame 3 and the winding frame 1.
- the gate frame 2 is arranged at a distance from the winding frame 1 on the side of the winding frame 1 opposite the operating aisle 5.
- a doffgang 6 is thus formed between the winding frame 1 and the gate frame 2.
- winding frame three winding devices 9 are arranged one above the other, each belonging to a processing point of the machine.
- the thread 4 is drawn off from a supply spool 7 arranged in the creel frame 2 via a head thread guide 12 by a first delivery mechanism 13.
- the thread 4 is then conveyed from the first delivery mechanism 13 into the false twist zone, which comprises a first heating device 8, a cooling device 10 and a false twist unit 14. From the False twist zone, the thread 4 is then drawn off by a second delivery unit 15.
- a third delivery mechanism then leads the thread 4 to the winding device 9.
- the thread 4 is wound on a winding spool 20, which is driven by a friction roller 19 on the circumference.
- a traversing device 24 by means of which the thread 4 is moved back and forth on the take-up spool 20 and wound thereon as a cross winding.
- the winding device 9 has a bobbin store 22 which serves to hold the full bobbin when a full winding bobbin 20 has been produced on the winding device.
- the spindle carrier is pivoted and the full bobbin is placed on a rolling track.
- the unwind path is part of the bobbin store 22.
- the full bobbin 20 waits on the unwind path until it is transported away.
- each winding device 9 is assigned a tube feed device 23, which is no longer described in detail. It is a case memory on which several empty cases are temporarily stored.
- the thread 4 is drawn out of the false twist zone by the second delivery unit 15 and is conveyed through the second heating device 16 with the aid of the third delivery unit 18. Between the third delivery plant 18 and the second heating device 16 is given a counter-twist to the thread 4 by a counter twist device 38, which is opposite to a twist generated by the false twister. Behind the counter twist device 38, the thread 4 is substantially free of twist.
- the counter twist device 38 has a cylindrical body 39.
- the cylindrical body 39 is rotatably arranged on a physical axis 40.
- the axis 40 is connected to a mounting plate 41 which is attached to the frame.
- the thread 4 is drawn off over the rotating body 39 of the counter twist device in such a way that the thread 4 after the counter twist device 39 is essentially free of twists. This is achieved in that the counter twist device imparts a twist to the thread 4 which is opposite to a twist generated by the false twister 14.
- the thread 4 is guided over the body 39 at an angle.
- the angle N enclosed by the thread 4 and a normal N standing perpendicular to an axis A of the body 39 is less than 90 °.
- the direction of the angle a can be changed so that a counter-twist can be generated for different directions of rotation of the thread.
- the body 39 can also be driven by a motor.
- the body 39 is preferably cylindrical. It can be rotationally symmetrical. Reference list
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19736227 | 1997-08-20 | ||
DE19736227 | 1997-08-20 | ||
DE19810080 | 1998-03-09 | ||
DE19810080 | 1998-03-09 | ||
PCT/EP1998/005067 WO1999009239A1 (de) | 1997-08-20 | 1998-08-10 | Falschdrall-texturiermaschine und verfahren zur herstellung eines texturierten fadens |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0932712A1 true EP0932712A1 (de) | 1999-08-04 |
EP0932712B1 EP0932712B1 (de) | 2002-06-05 |
Family
ID=26039323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98945201A Expired - Lifetime EP0932712B1 (de) | 1997-08-20 | 1998-08-10 | Falschdrall-texturiermaschine und verfahren zur herstellung eines texturierten fadens |
Country Status (7)
Country | Link |
---|---|
US (1) | US6301870B1 (de) |
EP (1) | EP0932712B1 (de) |
CN (1) | CN1065931C (de) |
DE (1) | DE59804306D1 (de) |
TR (1) | TR199900798T1 (de) |
TW (1) | TW409155B (de) |
WO (1) | WO1999009239A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4060508B2 (ja) * | 2000-02-16 | 2008-03-12 | Tmtマシナリー株式会社 | 延伸仮撚加工機 |
JP2004512435A (ja) | 2000-10-28 | 2004-04-22 | バルマーク アクチエンゲゼルシヤフト | 仮撚り機 |
US7254577B2 (en) * | 2004-06-29 | 2007-08-07 | International Business Machines Corporation | Methods, apparatus and computer programs for evaluating and using a resilient data representation |
US20060201129A1 (en) * | 2005-03-09 | 2006-09-14 | Keith Bumgardner | Continuous constant tension air covering |
CN102108572B (zh) * | 2011-03-02 | 2013-03-13 | 经纬纺织机械股份有限公司 | 假捻变形机生头拉杆装置 |
IN2013MU02577A (de) * | 2013-08-05 | 2015-06-12 | Marc Ltd T | |
USD827682S1 (en) * | 2016-12-02 | 2018-09-04 | Carpet Industry Clearinghouse, Inc. | False twist block assembly |
CN111778655B (zh) * | 2020-07-01 | 2022-09-06 | 杭州勤想实业有限公司 | 一种用于竹节纱的加弹机 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4180968A (en) * | 1977-09-19 | 1980-01-01 | Courtaulds Limited | Composite yarn and method of forming said yarn |
JPS5590634A (en) * | 1978-12-25 | 1980-07-09 | Murata Machinery Ltd | Yarn false twisting installation |
US4497167A (en) * | 1982-02-03 | 1985-02-05 | Murata Kikai Kabushiki Kaisha | Method for producing spun yarns |
US4905468A (en) | 1988-02-22 | 1990-03-06 | Teijin Seiki Company Limited | False twister |
DE59007713D1 (de) | 1989-08-09 | 1994-12-22 | Barmag Barmer Maschf | Heizeinrichtung. |
EP0532458B1 (de) | 1991-09-12 | 1996-09-25 | Heberlein Maschinenfabrik AG | Blasdüse sowie Verfahren zum Verringern oder Beseitigen des Torsionsmomentes eines falschdralltexturierten Garnes |
US5407620A (en) * | 1993-06-23 | 1995-04-18 | Basf Corporation | One-step process for the manufacture of twisted nylon yarn |
TW340533U (en) | 1993-09-04 | 1998-09-11 | Barmag Barmer Maschf | False twist crimping machine |
DE59603042D1 (de) | 1995-05-23 | 1999-10-21 | Barmag Barmer Maschf | Falschdrallaggregat |
-
1998
- 1998-08-10 DE DE59804306T patent/DE59804306D1/de not_active Expired - Fee Related
- 1998-08-10 WO PCT/EP1998/005067 patent/WO1999009239A1/de active IP Right Grant
- 1998-08-10 EP EP98945201A patent/EP0932712B1/de not_active Expired - Lifetime
- 1998-08-10 CN CN98801171A patent/CN1065931C/zh not_active Expired - Fee Related
- 1998-08-10 US US09/284,739 patent/US6301870B1/en not_active Expired - Fee Related
- 1998-08-10 TR TR1999/00798T patent/TR199900798T1/xx unknown
- 1998-08-19 TW TW087113662A patent/TW409155B/zh not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9909239A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1999009239A1 (de) | 1999-02-25 |
CN1236405A (zh) | 1999-11-24 |
US6301870B1 (en) | 2001-10-16 |
TW409155B (en) | 2000-10-21 |
TR199900798T1 (xx) | 2000-06-21 |
EP0932712B1 (de) | 2002-06-05 |
DE59804306D1 (de) | 2002-07-11 |
CN1065931C (zh) | 2001-05-16 |
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Legal Events
Date | Code | Title | Description |
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