EP1197463A2 - Dispositif pour amener des noyaux au poste de travail d'une machine textile pour la fabrication de bobines à spires croisées - Google Patents
Dispositif pour amener des noyaux au poste de travail d'une machine textile pour la fabrication de bobines à spires croisées Download PDFInfo
- Publication number
- EP1197463A2 EP1197463A2 EP01117637A EP01117637A EP1197463A2 EP 1197463 A2 EP1197463 A2 EP 1197463A2 EP 01117637 A EP01117637 A EP 01117637A EP 01117637 A EP01117637 A EP 01117637A EP 1197463 A2 EP1197463 A2 EP 1197463A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve
- bobbin
- gripper
- feeder according
- empty
- 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
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
- B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
- B65H67/0405—Arrangements for removing completed take-up packages or for loading an empty core
- B65H67/0417—Arrangements for removing completed take-up packages or for loading an empty core for loading an empty core
-
- 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 sleeve feeder for a Work station of a textile machine producing cross-wound bobbins according to the preamble of claim 1.
- This known, movable operating unit has a large number of handling devices which are activated during a change cycle in accordance with a predetermined program.
- the control unit has, among other things, a bobbin ejection arm, which, if necessary, transfers the finished package to a special machine-long transport device, as well as a bobbin gripper, which takes an empty bobbin out of a work station's own bobbin storage unit and exchanges it in the bobbin frame of the job in question.
- the sleeve gripper has individual gripper fingers, their starting position, corresponding to the one to be handled Sleeve format, manually adjustable.
- EP 0 126 352 B1 A comparable control unit is also described in EP 0 126 352 B1.
- a sleeve feeder is provided, which is arranged on a pivotably mounted intermediate frame. Depending on whether cylindrical or conical empty sleeves have to be handled, this intermediate frame can be pivoted into a first or a second working position.
- coil holders are arranged on the output side of an empty tube memory, which can be manually adjusted according to the respective tube diameter.
- DE 21 57 304 B and DE 21 21 426 B describe texturing machines, the workstations of which each have a coil frame that can be pivoted between a winding position and a package position.
- the individual work stations are also each assigned an empty tube memory, the output of which can be positioned in the swivel range of the coil frame in such a way that the coil frame can be automatically equipped with a new empty tube after the finished cheese has been dispensed.
- a comparable device is also known from EP 0 157 654 B1.
- the individual work stations are each equipped with a spool frame which can be pivoted between a spool position, a package dispensing position and an empty tube receiving position.
- Each job is also an in-house job Sleeve memory assigned by a swivel drive is acted upon so that the foremost sleeve in Sleeve storage exactly at the level of the empty sleeve receiving position brought of the coil frame and there through the closing coil frame can be included.
- a textile machine with stationary changing devices each job and an associated empty tube store is also one example in DE 195 28 983 A1 False twist machine shown and explained.
- the empty-sleeve stores are each designed in this way and arranged that the empty tube template position of the Empty sleeve storage only with a certain sleeve diameter with the empty tube receiving position of the coil frame matches.
- the Invention based on the object of an inexpensive Device to create the easy way Exchange of empty tubes, also of different formats, in the coil frames of the work stations of a cheese manufacturing textile machine enables.
- the inventive design of a sleeve feeder has in particular the advantage that with such Sleeve feeder easily empty sleeves of any diameter or different shape (cylindrical or conical) a coil frame can be passed without first or any changes in the sleeve format Adjustments are necessary.
- the tube feeder according to the invention picks up the empty tube in question with its tube gripper on a preferably stationary, spooling unit-specific tube storage and transports it to a tube transfer position in which it can be taken over by the tube frame.
- the center longitudinal axis of the empty tube is automatically aligned so that it exactly matches the axis of rotation of the tube receiving plate of the coil frame positioned there in the tube transfer position of the tube feeder.
- the empty sleeve can then be securely gripped between the rotatably mounted sleeve receiving plates by closing the coil frame.
- the sleeve gripper has one vertically displaceable pressure stamp on the is functionally connected to pairs of gripper fingers.
- the Gripper finger pairs are in turn via swivel axes limited rotatable on connection brackets (claim 2).
- the functional coupling of the pressure stamp or a pressure plate arranged tiltably on the pressure stamp the gripper finger pairs causes every movement this pressure plate to a comparable one, however opposite movement of the gripper finger pairs leads.
- the pressure stamp is in a sliding, for example cylindrical hollow body and is buffered by a spring element. That is, that Spring element acts on the pressure ram in the sense "Extending".
- a drive arm of a shift linkage which can be acted upon, for example, by the coil frame of the relevant job, engages (claim 4).
- the hollow body and thus also the pressure ram can be easily displaced in the direction of the empty sleeve via the drive arm.
- the pressure plate arranged on the pressure plunger is placed on the empty sleeve under the spring force of the spring element connected between the pressure plunger and the hollow body, and fixes it securely.
- a Pressure plate arranged, the ends of each tab-like slider connected to the pairs of gripper fingers is.
- the pressure plate automatically adjusts to the position the surface of the empty tube and controls via the tab-like slider automatically the associated Gripper finger pairs exactly (claim 5).
- the slider each have an elongated hole guide that the adjustment path of a limited carriage-like connecting element.
- the Connection elements are each with a control linkage one of the gripper finger pairs connected. That means the Position of the gripper finger pairs is due to the position of the Connection elements or by the position of the determined tab-like slide, which in turn to the Pressure plate of the pressure stamp are connected.
- Such a direct mechanical coupling of the pressure ram or its pressure plate with the associated Gripper finger pairs represents an inexpensive and reliable Control device that is an exact in a simple manner Positioning the central longitudinal axis of an empty tube independently on the shape and diameter of the empty tube allows.
- connection elements slide on guide rails that are molded onto the base body. That is, not only is the height of the connection elements reliably specified by the guide rails too a horizontal migration of the connection elements safely prevented (claim 9).
- the connecting elements and thus the pairs of gripper fingers can be fixed in a basic position by means of special holding plates, so that problem-free transfer of an empty sleeve from the sleeve store to the sleeve feeder is ensured.
- the holding plates each have an angled guide slot, which covers a collar-like extension on the connection elements.
- the base body of the sleeve gripper is slidably mounted in a base frame of the sleeve feeder.
- a drive arm of a shift linkage acts on the base body of the sleeve gripper, which preferably enables both a spatial displacement of the sleeve gripper and its defined actuation.
- the shift linkage has, inter alia, a shift arm which can be acted upon by the pivotably mounted coil frame.
- a drive preferably an electric drive
- the electric motor is connected to the sleeve gripper, for example via a slightly modified shift linkage described above, and can both shift and actuate it.
- the sleeve feeder according to the invention is either how set forth in claim 15, stationary at each of the Workplaces of a textile machine producing cross-wound bobbins arranged, or as described in claim 16, as Mobile operating device designed, if necessary on the relevant job can be positioned.
- the embodiment described in claim 15 leads to a textile machine that has a high degree of efficiency, since a possible defect in one of the sleeve feeders only affects the relevant job, while the numerous other jobs remain unaffected.
- a textile machine with stationary sleeve feeders has a high degree of efficiency at every work station, since the change process can always be initiated immediately at each work station. If necessary, change processes can also take place at several workplaces at the same time.
- the embodiment according to claims 16 and 17 has especially the advantage that they are something overall is cheaper, with forward planning and Control when using the sleeve feeder efficiency losses can be minimized. Especially since a sleeve feeder designed in this way much less time to supply a job than, for example, a previously used Mobile package changer.
- FIGs 1 and 2 is a cheese in front view manufacturing textile machine, in the embodiment Automatic winder, shown and overall with the Reference number 1 marked.
- Such automatic winder 1 usually have a large number of identical, work stations 2 arranged between end frames 5 and 6.
- the jobs 2 are in a row next to each other arranged and if necessary by one in front of the textile machine 1 arranged control aisle accessible.
- winding units 2 Jobs are, as is known, and therefore not closer explains spinning cops 9 for large-volume cross-wound bobbins 11 rewound.
- the spinning heads 9 are during the Rewinding process positioned in the unwinding positions 10, each in the area (not shown) so-called Cross transport routes are located.
- each of the winding units 2 has one Number of special thread monitoring and - processing facilities that are known per se and therefore not are explained in more detail.
- FIG. 1 The schematic representation of the individual winding units 2 is therefore limited in FIG. 1 to the indication of the end product, a so-called cross-wound bobbin 11, a cross-wound bobbin drive roller 17 and a stationary tube feeder 12 according to the invention, which is arranged with its base frame 20 on a crossbar 21 running above the winding units is.
- Each winding unit 2 also has its own winding unit 13 for receiving a number of empty tubes 14, which are required for producing a cheese 11.
- each winding unit 2 has the another its own winding station computer 15, for example via a (not shown) bus system to a Central information 16 of the textile machine is connected.
- the textile machine 1 shown in FIG. 2 differs differs from the textile machine according to FIG. 1 only by Formation of the sleeve feeder 12 according to the invention.
- a single tube feeder 12 is provided here, which is designed as a mobile operating device 18.
- This operating device 18 is supported by a running gear 63 arranged on the base frame 20 on a running path 64, which is installed above the winding units 2 of the textile machine 1.
- the control device 18 is preferably connected via a bus line (not shown) to the central information unit 16 of the textile machine 1 and can be used by the latter at the individual work stations 2 as required.
- FIG. 3 shows a side view of a sleeve feeder 12 according to the invention.
- the tube feeder 12 essentially consists of a base frame 20 which, according to the embodiment in FIG. 1, is rigidly attached to a crossbeam 21 of the automatic winder 1, a tube store 13 fastened to the base frame 20 and a tube gripper 24 which is displaceably mounted in the base frame 20.
- the base frame 20 has an elongated hole guide 22 for the displaceable mounting of the base body 31 of the sleeve gripper 24.
- a shift linkage is arranged on the base frame 20, which is identified overall by the reference number 23.
- the shift linkage 23 consists in detail of a shift arm 25 with the pivot axis 26, a drive arm 28 rotatably mounted in a pivot axis 27 and an intermediate linkage 29 connected between the shift arm 25 and the drive arm 28.
- the drive arm 28 is also by a spring element 30, preferably a Tension spring, loaded.
- the base body 31 of the sleeve gripper 24 is guided in the elongated hole guide 22 of the base frame 20 via sliding rollers 32 or the like.
- Bearing brackets 33, 34 which have the pivot axes 37, 38 of the pairs of gripper fingers 35, 36, are also integrally formed on the base body 31 on the side opposite the sliding rollers 32.
- the gripper finger pairs 35, 36 are rotatably supported to a limited extent in these pivot axes 37, 38 and are connected to special connecting elements 41, 42 on the base body 31 via control linkages 39 and 40, respectively.
- the base body 31 has a receiving bore 50 which is open at the bottom, preferably slotted.
- a hollow body 51 is slidably mounted, the connection bracket 53 which extends through the slot 52 of the receiving bore 50 is connected to the drive arm 28 of the shift linkage 23.
- a pressure ram 54 is also displaceably mounted within the hollow body 50 and is acted upon by a spring element 55.
- the pressure ram 54 has on the end side a pressure plate 56 which can be tilted in the direction of the longitudinal axis 57 of the sleeves 14 and to which the tab-like sliders 43 and 44 are connected.
- the sleeve feeder 12 is controlled either by the coil frame 19, which acts on the switching arm 25 of the shift linkage 23, or by a separate drive 62, which, as indicated in FIG. 8, is arranged on the base frame 20 of the sleeve feeder 12.
- the drive 62 which is preferably designed as an electric motor, ensures both the displacement of the sleeve gripper 24 within the base frame 20 and the functional control of the sleeve gripper 24.
- a common drive 62 for shifting and actuating the sleeve gripper 24 it is of course also possible to use several drives be provided.
- the base frame can have a drive for moving the sleeve gripper 24 within the base frame 20 and a further, separate drive for actuating the sleeve gripper 24. This variant is not shown in the drawing, however.
- the sleeve gripper 24 of the sleeve feeder 12 is parked in the sleeve transfer position I, which is shown in FIG. 3.
- the gripper finger pairs 35, 36 are fixed in this position by the holding plates 45, 46. That is, stops on the connection bracket 53 of the hollow body 51 act on the angled rear sides 68 of the holding plates 45, 46 in the direction F.
- the holding plates 45, 46 are thereby pivoted about their pivot point 59 in such a way that the shoulder 47 of the connecting elements 41, 42, on to which the control linkages 39, 40 of the pairs of gripper fingers 35, 36 are articulated, are each fixed in the angled part of the holding plate guide 65.
- the bobbin frame 19 is after the delivery of the cheese 11 the cross-bobbin transport device back towards him Swinged back position and acts on the Shift arm 25 of the shift linkage 23 in the direction E.
- the spring element 55 arranged within the hollow body 51 acts on the empty sleeve 14 via the pressure ram 54 or the pressure plate 56 and on the empty sleeve 14 the pairs of gripper fingers 35, 36. Under the load of this loading, the pairs of gripper fingers 35, 36 pivot downward and thereby lift the connecting elements 41, 42 via the control linkages 39, 40.
- the adjustment path of the connection elements is limited by the slider 43, 44 or their slot 60.
- the empty sleeve 14 is positioned in a position in which its central longitudinal axis 57 corresponds exactly to the axis of rotation 61 of the sleeve receiving plate 58 arranged on the coil frame 19 of the coil frame 19 also pivoted into the sleeve transfer position II at this time.
- the empty tube 14 can now be gripped without difficulty and after the thread coming from the spinning cop 9, as indicated above, on the winding device has been fixed on the empty tube 14 or clamped between the empty tube 14 and one of the tube receiving plates 58 of the bobbin frame 19, can be lowered onto the cross-bobbin drive roller 17.
- the change cycle is thus ended, the sleeve feeder 12 is ready for a new empty tube handover.
Landscapes
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10050693 | 2000-10-13 | ||
DE10050693A DE10050693A1 (de) | 2000-10-13 | 2000-10-13 | Hülsenzubringer für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1197463A2 true EP1197463A2 (fr) | 2002-04-17 |
EP1197463A3 EP1197463A3 (fr) | 2003-08-13 |
EP1197463B1 EP1197463B1 (fr) | 2005-06-08 |
Family
ID=7659618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01117637A Expired - Lifetime EP1197463B1 (fr) | 2000-10-13 | 2001-07-24 | Dispositif pour amener des noyaux au poste de travail d'une machine textile pour la fabrication de bobines à spires croisées |
Country Status (6)
Country | Link |
---|---|
US (1) | US6679450B2 (fr) |
EP (1) | EP1197463B1 (fr) |
JP (1) | JP3868251B2 (fr) |
CN (1) | CN1212962C (fr) |
AT (1) | ATE297354T1 (fr) |
DE (2) | DE10050693A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101723206B (zh) * | 2008-10-25 | 2013-05-08 | 欧瑞康纺织有限及两合公司 | 制造交叉卷绕筒子的纺织机及操作该纺织机的方法 |
CN110790089A (zh) * | 2019-09-30 | 2020-02-14 | 桐乡市恒达经编股份有限公司 | 一种用于整经系统的纱筒自动上料装置 |
CN110790088A (zh) * | 2019-09-30 | 2020-02-14 | 桐乡市恒达经编股份有限公司 | 一种纱卷连续移送机构 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO20011324L (no) * | 2001-03-15 | 2002-09-16 | Maritime Hydraulics As | Gripeklo for rörvarer |
US7476034B2 (en) * | 2003-08-28 | 2009-01-13 | Boston Scientific Scimed, Inc. | Dynamic bushing for medical device tubing |
DE102010049432A1 (de) | 2010-10-23 | 2012-04-26 | Oerlikon Textile Gmbh & Co. Kg | Hülsengreifer für ein Kreuzspulenwechselaggregat |
CN104401704B (zh) * | 2014-08-11 | 2016-08-10 | 福建浔兴拉链科技股份有限公司 | 一种尼龙拉链单丝筒的专用夹具 |
CN109455578B (zh) * | 2018-09-28 | 2024-03-19 | 陕西华燕航空仪表有限公司 | 一种落纱筒管库 |
USD968476S1 (en) * | 2019-06-18 | 2022-11-01 | Saurer Technologies GmbH & Co. KG | Textile machine |
CN114030946B (zh) * | 2021-11-17 | 2023-01-06 | 安徽晟钰纺织科技有限公司 | 一种纺织用自动换辊出料装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4598881A (en) * | 1983-05-20 | 1986-07-08 | Rieter Machine Works, Ltd. | Bobbin inserting device |
US4890799A (en) * | 1987-06-06 | 1990-01-02 | W. Schlafhorst & Co. | Apparatus for removing a tube from a tube magazine and for transferring the tube to the creel of a winding station |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
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IL36738A0 (en) | 1970-05-01 | 1971-06-23 | Logan J | Apparatus and method for doffing wound packages and donning empty cores |
DE2947901C2 (de) * | 1979-11-28 | 1985-06-27 | W. Schlafhorst & Co, 4050 Mönchengladbach | Reibradantrieb in Verbindung mit einer Spulenwechselvorrichtung |
DE3483534D1 (de) | 1983-05-20 | 1990-12-06 | Rieter Ag Maschf | Spulenhuelsen-einlegevorrichtung. |
US4591105A (en) | 1984-04-06 | 1986-05-27 | Belmont Textile Machinery Company | Method and apparatus for automatically doffing and donning take-up packages on a winder |
EP0176020B1 (fr) * | 1984-09-22 | 1988-04-13 | B a r m a g AG | Bobinoir pour enrouler un fil |
GB2200373B (en) * | 1986-12-26 | 1991-05-08 | Murata Machinery Ltd | Yarn false twisting machine |
DE8700472U1 (de) * | 1987-01-10 | 1987-04-30 | Palitex Project-Company Gmbh, 4150 Krefeld | Einrichtung für den Abtransport von Spulen aus Vielstellenspinn- oder Vielstellenzwirnmaschinen |
IT1202589B (it) * | 1987-02-27 | 1989-02-09 | Savio Spa | Dispositivo e procedimento per la levata autromatica delle rocche in una macchina roccatrice |
DE3726508C2 (de) * | 1987-06-06 | 1996-02-22 | Schlafhorst & Co W | Vorrichtung zum Entnehmen einer Hülse aus einem Hülsenmagazin und zum Übergeben der Hülse an den Spulenrahmen einer Spulstelle |
CS268434B1 (en) * | 1987-12-02 | 1990-03-14 | Milan Ing Eckhardt | Device for cones' doffing with textile machine |
IT1229657B (it) * | 1989-04-21 | 1991-09-06 | Cerit Centro Regionale Innovaz | Dispositivo di adduzione e posizionamento ad un braccio portarocche di un tubetto conico vuoto. |
EP0410019A1 (fr) * | 1989-07-24 | 1991-01-30 | Palitex Project-Company GmbH | Procédé et dispositif pour remplacer automatiquement les bobines, en particulier les bobines croisées, avec les bobines vides |
JP3203961B2 (ja) * | 1994-06-13 | 2001-09-04 | 村田機械株式会社 | ワインダの糸巻取用チューブ供給装置 |
JP2638493B2 (ja) | 1994-08-05 | 1997-08-06 | 村田機械株式会社 | オートドッファ |
CZ283034B6 (cs) * | 1994-08-24 | 1997-12-17 | Maschinenfabrik Rieter Ag | Způsob a zařízení k zásobování navíjecích ústrojí textilního stroje prázdnými dutinkami |
DE4436274A1 (de) * | 1994-10-11 | 1996-04-18 | Schlafhorst & Co W | Serviceeinrichtung für eine Kreuzspulen herstellende Textilmaschine |
DE4443818B4 (de) * | 1994-12-09 | 2005-08-18 | Saurer Gmbh & Co. Kg | Kreuzspulen herstellende Textilmaschine |
DE19646564B4 (de) * | 1996-11-12 | 2005-07-14 | Saurer Gmbh & Co. Kg | Kreuzspulen herstellende Textilmaschine |
DE19750836A1 (de) * | 1997-11-17 | 1999-05-20 | Schlafhorst & Co W | Hülsenvorlageeinrichtung für Kreuzspulen herstellende Textilmaschinen |
DE19836702A1 (de) * | 1998-08-13 | 2000-02-17 | Schlafhorst & Co W | Kreuzspulen herstellende Textilmaschine |
-
2000
- 2000-10-13 DE DE10050693A patent/DE10050693A1/de not_active Withdrawn
-
2001
- 2001-07-24 EP EP01117637A patent/EP1197463B1/fr not_active Expired - Lifetime
- 2001-07-24 DE DE50106439T patent/DE50106439D1/de not_active Expired - Fee Related
- 2001-07-24 AT AT01117637T patent/ATE297354T1/de not_active IP Right Cessation
- 2001-10-11 JP JP2001313980A patent/JP3868251B2/ja not_active Expired - Fee Related
- 2001-10-12 CN CNB011411899A patent/CN1212962C/zh not_active Expired - Fee Related
- 2001-10-12 US US09/977,733 patent/US6679450B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4598881A (en) * | 1983-05-20 | 1986-07-08 | Rieter Machine Works, Ltd. | Bobbin inserting device |
US4890799A (en) * | 1987-06-06 | 1990-01-02 | W. Schlafhorst & Co. | Apparatus for removing a tube from a tube magazine and for transferring the tube to the creel of a winding station |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101723206B (zh) * | 2008-10-25 | 2013-05-08 | 欧瑞康纺织有限及两合公司 | 制造交叉卷绕筒子的纺织机及操作该纺织机的方法 |
CN110790089A (zh) * | 2019-09-30 | 2020-02-14 | 桐乡市恒达经编股份有限公司 | 一种用于整经系统的纱筒自动上料装置 |
CN110790088A (zh) * | 2019-09-30 | 2020-02-14 | 桐乡市恒达经编股份有限公司 | 一种纱卷连续移送机构 |
CN110790089B (zh) * | 2019-09-30 | 2021-01-26 | 桐乡市恒达经编股份有限公司 | 一种用于整经系统的纱筒自动上料装置 |
Also Published As
Publication number | Publication date |
---|---|
US6679450B2 (en) | 2004-01-20 |
EP1197463A3 (fr) | 2003-08-13 |
DE50106439D1 (de) | 2005-07-14 |
EP1197463B1 (fr) | 2005-06-08 |
DE10050693A1 (de) | 2002-04-18 |
JP3868251B2 (ja) | 2007-01-17 |
CN1212962C (zh) | 2005-08-03 |
CN1347838A (zh) | 2002-05-08 |
US20020043583A1 (en) | 2002-04-18 |
JP2002154750A (ja) | 2002-05-28 |
ATE297354T1 (de) | 2005-06-15 |
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