EP1012364B1 - Fadensteuervorrichtung - Google Patents

Fadensteuervorrichtung Download PDF

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Publication number
EP1012364B1
EP1012364B1 EP98936061A EP98936061A EP1012364B1 EP 1012364 B1 EP1012364 B1 EP 1012364B1 EP 98936061 A EP98936061 A EP 98936061A EP 98936061 A EP98936061 A EP 98936061A EP 1012364 B1 EP1012364 B1 EP 1012364B1
Authority
EP
European Patent Office
Prior art keywords
thread
control
driver
control device
actuator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98936061A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1012364A1 (de
Inventor
Francisco Speich
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.)
Textilma AG
Original Assignee
Textilma AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Textilma AG filed Critical Textilma AG
Publication of EP1012364A1 publication Critical patent/EP1012364A1/de
Application granted granted Critical
Publication of EP1012364B1 publication Critical patent/EP1012364B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/20—Electrically-operated jacquards

Definitions

  • the invention relates to a thread control device for optional Control of an oscillating transverse movement of a Thread according to the preamble of claim 1.
  • Thread control devices especially in shedding devices for the optional control of an oscillating transverse movement of a thread are known several times.
  • a second type of such thread control device is known from the WO 97/11215 known.
  • This thread control device has one oscillating drivable lifting device with at least one Driver for the thread, and at least one means an actuator actuable control means to the thread with selectively engages the driver of the lifting device bring.
  • These control funds are now directly to the driver assigned to the lifting device and are arranged with this moves up and down. This results in different ones Disadvantage.
  • the lifting device is not just the driver but in particular also the control means and the actuator must contain, it is relatively large. For a weaving machine This is a thread control device with a large warp thread density less suitable. Also have the moving parts relatively large masses and also have to cover the entire stroke the lifting device are moved.
  • Moving the actuator further requires a moving interface to the electricity and Program data feed, which is relatively complicated, expensive and is prone to wear. Threading a thread must be done very carefully in order to bend parts and thus a functional failure with corresponding repair costs to prevent. That is why threading is time-consuming and cost-intensive despite good accessibility. Ultimately, such a thread control device because of the relatively high inertial forces and the sensitivity of the moving parts integrated electronics only with relative operated at low speed.
  • the object of the invention is to provide a thread control device to further improve the type mentioned at the beginning.
  • the bub device relieved of mass and sensitive controls and can only be based on optimal criteria for the lifting movement can be designed.
  • the tax funds are on the other hand, they are arranged practically stationary, which means that they have to do not participate in the lifting movement of the lifting device, but rather can only be used for the execution of the switching size oscillating insertion and removal of the thread on the driver be limited and concentrated.
  • the fixed arrangement also enables a particularly simple and wear-independent Supply of drive energy and control signals as well greater flexibility in tax options.
  • the invention opens up the Possibility of the thread control device, in particular the Shed forming device and thus also a connected weaving machine at very high speeds e.g. of 5,000 revolutions to operate per minute and more.
  • the manufacturing and maintenance costs of the new thread control device are also relative due to the small number of simple components low.
  • control means according to claim 4 results in a particularly space-saving design, what their use especially in the warp thread control of a weaving machine improved.
  • the control means according to claim 5 or 6 be educated.
  • the driver can over the entire transverse movement of the thread to be effective.
  • An embodiment of the thread control device is particularly preferred according to claim 9, according to which the driver only one in effective driving hooks for positive locking Has entrainment of the thread.
  • the reset preferably follows the direction of movement non-positive, the internal tension of the thread is sufficient can be. If necessary, additional clamping devices to be available.
  • the thread control device is formed according to claim 10 is and has a driver that in both directions of movement the thread allows a form-fitting take.
  • the actuator can activatable in a drive direction and be retrievable in the other direction by means of a spring.
  • the control means can according to claim 18 by the switching size be arranged pivotably, this arrangement preferably can be done on a mounting rail.
  • Claims 19 and 20 describe advantageous designs of the pivotable Control means.
  • an embodiment of the thread control device is particularly preferred according to claim 21. That in its longitudinal direction back and forth displaceable control member allows numerous arrangement and drive variants.
  • a structure of the device according to claim 23 is possible.
  • Such a thread control device is similar to the previous jacquard device, whereby however, the actuator now does not cover the entire stroke must, but only one corresponding to the switching size Way so that the device opposite the jacquard device can be made much simpler and smaller and for coping with the switching path only requires less energy is required compared to the previous jacquard devices.
  • a particularly simple and particularly compact design enables the configuration according to claim 24.
  • the carrier is expediently open according to claim 25 arranged a lifting rail of a lifting device.
  • the thread control device is for a wide variety of applications suitable, for example around a weft insertion element optionally weft threads of different colors and Submit qualities to grasp. It is particularly advantageous however, if the thread control device according to claim 26 Is part of a shedding device of a weaving machine, wherein a plurality of the thread control device for control the warp threads of the weaving machine are present. For each control element there may be a separate actuator for a to achieve the greatest possible variety of control options. For simpler cases, training can also take place Claim 27 be an advantage.
  • FIG. 1 shows the schematic structure of a loom.
  • Warp threads 4 are drawn off and run from a warp beam 2 via a tensioning device 6 to a first warp guide 8 and on to a second warp guide 10, between which Warp guards 12 are arranged.
  • the warp threads 4 run over several to a shedding device 13 combined thread control devices 14, which open the warp threads 4 to a shed 16 further on a weaving point 18, on the weft threads 20 in the open shed 16 introduced and by means of a reed 22 on one Goods margin 24 are posted.
  • the woven fabric thus made Goods web 26 is via the goods guide 28 of a take-off device 30 led to a goods tree 32 and wound up there.
  • the shedding device 13 is composed of individual ones in FIGS and 3 thread control devices 14 shown in detail formed and contains a lifting device 34 with a lifting rail 36, for example, via a coupling rod 38 from a driven eccentric 40 is moved up and down.
  • On the lifting rail 36 are drivers 42 lined up, the lamella-like are trained and on opposite sides Have spring tongues 44, at the free ends of each Driving hooks 46, 48 for grasping a warp thread in each case 4a, 4b is arranged.
  • Each catch hook is at the free end provided with an overrun guide 50 to engage the To facilitate warp thread.
  • the catch hook 46,48 is a Thread deflector 52 upstream to prevent unwanted snapping To prevent warp threads on the driver hook 46,48.
  • Each driver 42 are 46.48 control elements for each driver hook 54,56 assigned by means of an actuator 58,60 are controllable with an associated warp thread 4a, 4b Bring the catch hooks 46, 48 of the catch into engagement.
  • the actuators 58, 60 are connected to a via a line 62 Control device 64, which the actuators in not detailed, but known manner according to the Control the fabric to be manufactured according to the model.
  • Every control link 54,56 consists of two control slats 54a, 54b and respectively 56a, 56b, the driver 42 between them lock in.
  • control members 54,56 or theirs Control lamellae 54a, 54b or 56a, 56b are on one common support 66 pivotally mounted about bolt 68, wherein the swivel path is only that for inserting and removing the Warp thread in the driver required switching size equivalent.
  • the carrier 66 is on a fixed mounting rail 70 lined up and contains spring arms 72, each with a stop 74 between the control slats 54a, 54b or 56a, 56b cooperate and these against the Preload actuator 58.60.
  • control members slots 76 which in the basic position the warp threads 4a, 4b as narrow control slots 78 are formed in the stroke direction in wide guide slots Pass 80.
  • the mode of operation of the shedding device results from Figures 1 to 20 very clearly.
  • the basic position of the Warp threads are determined by the straight connection between the second warp guide 10 and the goods guide 28. This The basic position also corresponds to the high position of the warp pocket from which the warp threads 4,4a, 4b selectively around the stroke H in the Be brought down, as can be seen from the figures is.
  • a warp thread 4,4a, 4b is only taken if the warp thread by means of the associated control member 54,56 the associated catch hook 46,48 in its high position in Is brought into engagement ( Figures 5, 9 and 17).
  • a corresponding actuator 58, 60 via the control device 64 activates and pivots the associated control element 54, 56 against the associated catch hook 46,48, so that this at the downward movement of the driver 52 by the driver hook 46.48 is taken and lowered (figures 1, 2, 7, 11 and 19).
  • the return of the warp thread from the Lowering to the high position takes place during the upward movement of the driver 42 primarily by the internal stress of the Warp.
  • the upward movement can still be supported by placing the warp thread on the lifting rail, which immediately is arranged under the catch hook.
  • possibly the driver hook could also be designed as a double hook 48a be, as indicated by dashed lines in Figure 2.
  • the driver 42 has two driver hooks 46.48 and there are two Control members 54,56 assigned so that one driver two Warp threads 4a, 4b selectively from the high position in the Low position can move, especially the diagram of Figure 4 and the associated phase images of Figures 5 to 20 show. Accordingly, it only needs half on a lifting rail 36 as many drivers 42 as warp threads are present are and on a mounting rail 70 one of the number of warp threads corresponding number of control elements 54.56.
  • the lamellar trained driver 42 and control members 54.56 are designed accordingly thin and can for example have a thickness of 0.1 to 0.5 mm. If necessary, it can be appropriate, the required number of drivers 42nd and the control members 54, 56 on two and more lifting rails 36 and distribute mounting rails 70.
  • the new type Shed forming device no spring retractions required and the components required to control the warp threads due to the direct control of the warp threads to a minimum reduced, resulting in a very significant reduction in Driving forces compared to conventional devices results.
  • FIG. 21 describes a thread control device 14a, which essentially corresponds to that of FIGS. 1 to 20, however, the thread control device is not below the is arranged by the warp threads 4a, 4b predetermined path but above, so that the warp threads are neutral corresponds to the low position and the warp threads by means of Driver 42 are deflected into the high position.
  • shedding device In the one shown in Figure 22 from thread control devices 14b formed shedding device are the catches 82 a lifting rail lined up, which is part of a shaft frame 84 forms, which is known to move up and down.
  • the drivers again contain driver hooks 46, 48 and projections 86.88, which is used to support the return of the warp threads serve in the starting position.
  • the driver 82 or the control hooks 46, 48 are assigned control members 90, 92, which in turn has a slot 76 with a control slot 78 and a guide slot 80 included and on a mounting rail 94 are pivotally mounted.
  • Each control link has warp threads 4a, 4b facing away from the side an actuating arm 96.
  • Each actuator arm 96 contains a control stop 98 and a bias spring 100 which the Control stop 98 against an electrical switching element for this purpose 102, a so-called bending vibrator. Is this Switching element 102 is not activated, so the control stop 98 on this switching element and the control element remains in the neutral basic position. However, if the switching element 102 activated via a line 104 by means of the control device 64, so the switching element 102 pivots in the dashed shown position and the switching element 90 can under the Influence the biasing spring 100 and the movement an actuator 106 in the form of a driven control bar join in, which at the lower end of the operating arm 96 in engages a driving groove 108.
  • This driving groove 108 points such a width that at the through the switching element 102 actuating arm 96 locked in the basic position is freely movable is.
  • the biasing spring is tensioned 100 the actuating arm 96 against the control bar 106 before, so the actuating arm the movement of the control bar 106 participates, so that the control member 90 or 92 the corresponding warp thread 4a, 4b with the associated catch hook 46,48 engages.
  • the dashed line in Figure 22 shown control stops 98a to 98n correspond respectively a control element in the series, each again with its own switching element, not shown interacts.
  • FIG. 23 describes a thread control device 14c, at of which two drivers 110, 112 are assigned to a warp thread 4, which the warp thread from the neutral position of the warp threads, which corresponds to the middle position, in the high position or move to the low position.
  • the Carriers 110, 112 are on corresponding lifting rails 114, 116 arranged and each have at the end of a spring tongue 118 a catch hook 120,122.
  • the two drivers 110, 112 is assigned to a common control element 124, which a mounting rail 126 is pivotally mounted and on the an actuating arm 128 facing away from the warp thread 4 has that with two counteracting actuators 130,132 cooperates, which the control member 124 against the swing out one or the other driver 110, 112.
  • the control link 124 is in turn with a slot 134 for controlling the Warp thread provided in the neutral position of the warp thread 4 is designed as a narrow control slot 136, which is now both up and down in wide guide slots 138,140 passes.
  • the function of this thread control device is analogous to the mode of operation described at the beginning Thread control device.
  • FIGS. 24 and 25 show a further thread control device 14d with a control element 140, the driver on both sides 142,144 with driver hook 146 are assigned.
  • the drivers 142,144 are in opposite directions and move out of that in the figure 24 shown middle position down or up.
  • the Control member 140 includes a slot 148 which is in the central position is designed as a control slot 150, which is on both sides Connect guide slots 152.
  • the control slot 150 is oblique to the longitudinal direction of the control member 140 arranged that with its oscillating longitudinal movement Control element is moved by switching variable S, as in Figure 24 is shown in dashed lines.
  • control element 140 When the control element moves from the position shown in solid lines in FIG the position shown in dashed lines is the warp thread 4 the driver area of the left driver 142 into the driver area of the right hand driver 144, so that the latter during its lifting movement by means of the lifting rail 154 Lifting device, not shown, from the central position can be transferred to the high position.
  • the control element 140 slat-like design and consists of the control slats 140a and 140b, which between them are also lamellar trained driver 142,144 over part of its width lock in.
  • FIGS. 26 and 27 show a thread control device 14e, which corresponds to that of FIGS. 24 and 25, however the control element has a further control lamella 140c, so that the drivers 142,144 each between separate Control blades 140a, 140b and 140b and 140c arranged are.
  • This allows the control slats to be made wider and have a greater degree of coverage with the control lamellas and thus improved leadership.
  • the widened sections 156 of the Carriers 142, 144 form in the one shown in FIG Middle compartment position a gap 158, which the transfer of the Warp thread along the control slot 150 from a switching position supported in the other switch position.
  • Figures 28 to 33 show the further structure and driving the thread control devices 14f according to the figures 24.25 or 26.27 and on the other hand different Phases of the movement sequence when controlling the warp thread.
  • the control element 140 is controlled by means of a pneumatically driven actuator 160 on which the control member 140 is connected via a harness cord 162 which from the actuator 160 via a choir board 164 to the control element 140 is led.
  • the actuator is primarily used for the stroke upward while the return movement by a return spring 166 takes place on the lower guided by a guide 168 End of the control member 140 is connected.
  • the sequence of movements the driver 142, 144 is in the motion diagram shown in Figure 34.
  • the middle position becomes Warp thread 4 according to FIG.
  • FIGS. 35 and 36 show the arrangement of several thread control devices 14f according to FIGS. 28 to 33 in one Shed forming device 170 of a weaving machine, such thread control devices both in a row like can be arranged side by side in several rows, each according to the density of the web 26 to be produced the density of the warp threads 4a, 4b to be controlled.
  • Figure 35 shows the shedding device in the open position Enter the weft thread 20 in the shed 16, which then is struck on the edge of the goods 24 by means of the reed 22.
  • the shed forming device is in the closed shed position shown.
  • FIG. 37 shows the front view of a weaving machine with Thread control devices 14f according to FIGS. 35 and 36 and the shedding device 170.
  • the weaving machine contains a machine frame 172 in which the Shed forming device 170 with the thread control devices 14d, 14e and 14f are arranged and for direct repeat Control of warp threads, not shown, is used.
  • Each control member 140 is retracted via the return spring 166 pre-tensioned below and over the harness cord 162, which is guided through the choir board 164 with a selection device 174 connected, which contains the actuators 160.
  • the Figure 38 shows another weaving machine in which an actuator 160a of the selection device 174a and the shedding device 170a several control elements corresponding to a repeat width T operated simultaneously.
  • Figures 39 to 42 show another embodiment a shedding device 176 with thread control devices 14g, which according to the principle of the thread control devices 14d 24 to 27 are constructed, but modified Actuators 178 have.
  • the control elements 140 arranged at the lower end in a guide 180 and over Links 182 with the lower lying actuators 178 connected. These drive the control elements individually.
  • Figure 41 can be such an actuator 178a as a pneumatic Piston / cylinder unit be formed.
  • One on the link 182 connected piston 184 is in a cylinder 186 biased to a low position by means of a return spring 188. Compressed air is supplied via the feed line 190 and the piston and thus the control link raised.
  • Another example 42 shows an actuator 178b.
  • the actuator is designed as an electromagnet and has in one Housing 192 on a coil 194, which leads via lines 196 Control current is applied.
  • a permanent magnet in the coil 194 198 slidably arranged and over the connecting link 182 connected to the control member 140.
  • the shedding device in open shed position and in Figure 40 shown in the closed compartment position.
  • FIGS. 43 and 44 show a further shedding device 200 with thread control devices 14h on the principle of Thread control devices of Figures 24 to 27, however, with further modified actuators 202.
  • the control elements 140 each have a guide member 204 at the lower end, which is guided up and down in a guide 206. Rising and going reading knives are used to drive the control elements 208, each with a driver part 210 on the control member 140 interact.
  • a bias spring 212 in the guide 206 tensions the control member 140 and thus the driver part 210 against the reading knife 208, so that the control member 140 can follow the oscillating movement of the reading knife.
  • a control plate 214 At the bottom of the guide 206 is a control plate 214 arranged, which carries piezoelectric switching elements 216, which in the unswitched state the free movement of the guide member 204 and thus ensure the control element and in the switched, i.e. activated state with a Paragraph 218 cooperate so that the driver part 210 and so that the control member 140 no longer follows the reading knife 208 can.
  • the control element is in a switching position held so that an associated warp thread 4 no longer released from one driver 142 to the other driver 144 can be and therefore no longer from the subscript in the Superscript can change or vice versa.
  • FIGS. 45 to 47 show a further embodiment a thread control device 14i, which the thread control device 14h corresponds to FIGS. 43 and 44, however the actuators 202a control plates 214a with two among themselves have lying rows of switching elements 216, 216a, which in Longitudinal direction of the reading knife 208 seen alternately to Come into play. Accordingly, the guide members 204a different and instruct paragraphs 218.218a accordingly staggered places. This enables a high packing density of the thread control devices and thus a high number of warp threads per centimeter.
  • the reading knives are shown in FIG Superscript and shown in FIG. 46 in subscript, with individual switching elements 216, 216a in the activated, i.e. are shown in the deflected state with paragraphs 218, 218a of the guide members 204a cooperate.
  • the weaving machine shown in FIG. 48 contains a shedding device 200 according to Figures 39 to 43 with thread control devices 14g, 14h, 14i according to FIGS. 39 to 47.
  • the guide 206 with the actuators 202 is below the Weaving area 220 arranged in the machine frame 222, so that the weaving area is freely accessible from the top.
  • the thread control devices are in the above embodiments each in connection with the control of Warp threads for shedding shown in a weaving machine.
  • the Thread control devices can also be used to control others Threads for other purposes, in particular for selection of weft threads that are either separate from the warp threads or are used in particular analogously to the warp threads.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Knitting Machines (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Mechanical Operated Clutches (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
EP98936061A 1997-09-08 1998-08-07 Fadensteuervorrichtung Expired - Lifetime EP1012364B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29716100U 1997-09-08
DE29716100U DE29716100U1 (de) 1997-09-08 1997-09-08 Fadensteuervorrichtung
PCT/CH1998/000334 WO1999013145A1 (de) 1997-09-08 1998-08-07 Fadensteuervorrichtung

Publications (2)

Publication Number Publication Date
EP1012364A1 EP1012364A1 (de) 2000-06-28
EP1012364B1 true EP1012364B1 (de) 2002-05-22

Family

ID=8045691

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98936061A Expired - Lifetime EP1012364B1 (de) 1997-09-08 1998-08-07 Fadensteuervorrichtung

Country Status (14)

Country Link
US (1) US6328076B1 (ko)
EP (1) EP1012364B1 (ko)
JP (1) JP4167803B2 (ko)
KR (1) KR100543064B1 (ko)
CN (1) CN1079455C (ko)
AU (1) AU8527298A (ko)
BR (1) BR9812628A (ko)
DE (2) DE29716100U1 (ko)
ES (1) ES2174459T3 (ko)
HK (1) HK1028430A1 (ko)
RU (1) RU2184181C2 (ko)
TR (1) TR200000641T2 (ko)
TW (1) TW513498B (ko)
WO (1) WO1999013145A1 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005530049A (ja) * 2002-05-10 2005-10-06 テクスティルマ・アクチェンゲゼルシャフト コードレス糸制御装置
BE1015048A4 (nl) * 2002-07-19 2004-09-07 Wiele Michel Van De Nv Inrichting voor het bevestigen van terugtrekveren in een harnas van een jacquardweefmachine.
TWI303679B (en) * 2003-06-12 2008-12-01 Textilma Ag Loom
ATE455885T1 (de) * 2003-11-28 2010-02-15 Textilma Ag Fadensteuervorrichtung für eine textilmaschine, insbesondere für eine fachbildevorrichtung
DE102004045208A1 (de) * 2004-09-17 2006-04-06 Siemens Ag Webmaschine
GB2432595B (en) * 2005-11-24 2010-09-29 John Rush Direct warp selection device
FR2902444B1 (fr) * 2006-06-16 2008-08-29 Staubli Faverges Sca Dispositif de formation de la foule de type jacquard, metier a tisser equipe d'un tel dispositif et procede de formation de la foule sur un tel metier
CN102773385B (zh) * 2012-07-25 2015-06-03 浙江旷达纺织机械有限公司 一种用于通丝装造的校眼设备的割线部件

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2535742A1 (fr) 1982-11-04 1984-05-11 Verdol Sa Mecanique d'armure a selection perfectionnee des crochets
DE3442204A1 (de) * 1984-08-27 1986-03-06 Klöcker-Entwicklungs-GmbH, 4280 Borken Vorrichtung zur bildung einer dreherkante
IT1252804B (it) 1991-09-24 1995-06-28 Tcnotessile Centro Ricerche S Dispositivo per la movimentazione dei fili di ordito
CN1062615C (zh) * 1995-09-21 2001-02-28 泰克斯第尔马公开股份有限公司 选择控制纱线特别是织布机中经纱摆动的横向运动的装置
BE1010014A3 (nl) * 1996-02-09 1997-11-04 Picanol Nv Kanteninrichting voor een weefmachine.

Also Published As

Publication number Publication date
DE29716100U1 (de) 1997-10-30
EP1012364A1 (de) 2000-06-28
KR20010023760A (ko) 2001-03-26
WO1999013145A1 (de) 1999-03-18
JP4167803B2 (ja) 2008-10-22
CN1269850A (zh) 2000-10-11
HK1028430A1 (en) 2001-02-16
TR200000641T2 (tr) 2001-05-21
DE59804205D1 (de) 2002-06-27
RU2184181C2 (ru) 2002-06-27
US6328076B1 (en) 2001-12-11
AU8527298A (en) 1999-03-29
TW513498B (en) 2002-12-11
ES2174459T3 (es) 2002-11-01
CN1079455C (zh) 2002-02-20
BR9812628A (pt) 2000-08-22
JP2001515967A (ja) 2001-09-25
KR100543064B1 (ko) 2006-01-20

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