EP1470270A1 - Ergonomische spinnanlage - Google Patents
Ergonomische spinnanlageInfo
- Publication number
- EP1470270A1 EP1470270A1 EP02806642A EP02806642A EP1470270A1 EP 1470270 A1 EP1470270 A1 EP 1470270A1 EP 02806642 A EP02806642 A EP 02806642A EP 02806642 A EP02806642 A EP 02806642A EP 1470270 A1 EP1470270 A1 EP 1470270A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plant
- area
- spinning
- precipitation bath
- control area
- 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
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
-
- 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
- D01D5/06—Wet spinning methods
Definitions
- the invention relates to a plant for the production of continuous moldings from a molding composition, such as a spinning solution containing water, cellulose and tertiary amine oxide, with spinning agents comprising an extrusion head through which the molding composition is extruded to form continuous molding bodies, a precipitation bath which contains a precipitation bath solution and one Air gap, which is arranged between the extrusion head and the precipitation bath, the endless moldings first being passed through the air gap and then through the precipitation bath.
- a molding composition such as a spinning solution containing water, cellulose and tertiary amine oxide
- the heated spinning solution is passed through extrusion openings in the extrusion heads and extruded to form continuous shapes.
- An air gap directly adjoins the extrusion openings, in which a tensile force acts on the endless molded body and stretches it.
- the thickness of the endless moldings is set via the tensile force, for example in textile fibers the fiber titer.
- the molecules orient themselves in the endless moldings and thus increase their mechanical strength.
- the solvent is precipitated in the precipitation bath.
- the extrusion openings can be arranged on an annular surface, through the center of which the radially outwardly directed cooling wall jet is directed. With such a ring arrangement, however, problems arise when immersing the endless moldings in the precipitation bath.
- Rectangular nozzles as described in WO 94/28218 and WO 98/18983 can therefore be used instead of ring nozzle arrangements.
- the extrusion openings are distributed over a substantially rectangular area, and the cooling blowing takes place on one side of the rectangle, usually the long side, through the rows of the endless molded articles.
- the present invention is therefore based on the object of creating a structurally simple system which simplifies the monitoring of the extrusion process.
- this object is achieved in that the system has a control area which is arranged in front of the spinning means and is accessible to operating personnel, and that the air gap is arranged so as to be freely visible at a height which, through the central viewing area, is essentially horizontal, upright or walking in the lounge area Operator is determined.
- the control area can be designed, for example, as a corridor in which the operating personnel carry out inspection corridors.
- the spinning means are arranged in the area of central vision, preferably at an angle of at most ⁇ 15 ° around the horizontal at eye level of the operator.
- the perception and optical resolution of a person is particularly sharp and details are particularly easy to grasp in this area.
- the area of central vision of a person looking horizontally preferably extends from the horizontal downwards by an angle of 15 °.
- the spinning means can further comprise a bundling means, by means of which the endless moldings are combined, for example, to form a fiber bundle.
- the bundling means is also essential for one in the control area A person standing upright and looking in a horizontal direction can be seen in the central viewing area of the system.
- the bundling means can be arranged approximately at eye level of the operating personnel standing in the control area, so that the bundling means together with the air gap can be monitored by the operating personnel without major body movements.
- the bundling means be freely accessible between the extrusion head and the control area on the system.
- the operation of the bundling element and its monitoring is simplified in particular if the bundling means is arranged outside the precipitation bath, preferably above the precipitation bath.
- the arrangement outside the coagulation bath agent simplifies the threading of continuous shaped bodies during piecing. Due to the arrangement of the bundling agent above the precipitation bath, maintenance no longer has to be carried out both below and above the precipitation bath, as is customary in conventional systems with spinning funnels, which is tiring and confusing for the operating personnel and therefore also prone to errors.
- the spinning means can also comprise a deflecting means which is arranged so that it can be seen by a person standing in the control area and is essentially horizontally looking in the precipitation bath and through which the endless moldings are deflected in the direction of the precipitation bath surface.
- the precipitation bath on its side facing the control area can be designed accordingly, for example have an incline so that the deflecting means can be seen by the operating personnel through the precipitation bath surface, and / or can have a transparent front through which the deflecting means can be viewed ,
- a deflection means can be carried out from the edge of the precipitation bath, preferably from the side of the Precipitating bath.
- This embodiment is also advantageous when viewed by itself, since the deflecting liquid at the edge of the precipitation bath guides the precipitation bath liquid out of the continuous mold bodies and then flows back into the precipitation bath along the edge of the precipitation bath without additional measures.
- the edge can have a rounding for gentle deflection of the endless molded body.
- the edge of the precipitation bath in the area of the deflection can be slightly recessed in relation to the rest of the edge in order to fix the endless moldings. The endless moldings are guided in the recess without being able to migrate sideways.
- the control of the extrusion process by operating personnel who is in the control area is simplified in particular when the extrusion openings of an extrusion head are arranged essentially along a rectangular area and the long side of the rectangle extends essentially parallel to the control area or a front of the machine. With this arrangement, the operating personnel can control the largest possible number of continuous mold bodies in the air gap.
- the rectangular area on which the extrusion openings are arranged preferably has a high aspect ratio of at least 3: 1, preferably at least 10: 1.
- the endless moldings can be fed to the deflecting means as an essentially flat curtain, the long side of which runs parallel to the control area for easier control of the deflecting process by the operating personnel.
- the system has, in addition to the control area, a maintenance area for servicing the spinning means and for manual handling of the spinning means, which is located between the control area and the spinning means in the handle area person standing upright in the maintenance area by the spinning means. Work on the spinning materials is made easier by the fact that the maintenance area is at a different height from the control area.
- the height of the maintenance area is dimensioned such that the spinning means is arranged substantially below the eye level of a person standing upright in the maintenance area in the grip area thereof.
- the grip area corresponds to the radius of action of an outstretched arm, ie the arm length measured around the shoulder of a representative operator standing upright in the maintenance area.
- the extrusion area of the system occupied or defined by the spinning means can be accessed by operating personnel in the maintenance area in an ergonomically favorable manner if the distance from one another in an advantageous embodiment of the different spinning means is not more than 80 cm, preferably not more than 50 cm is.
- the height difference between the maintenance area and the control area can correspond to the difference between a shoulder height and an eye level of the operating personnel.
- the spinning means are arranged freely accessible for a person standing upright in the maintenance area. This means that the spin agents do not cover each other.
- the spinning means can also comprise an air gap adjusting device with a handle, which is arranged so that it is freely accessible by a person standing in the maintenance area.
- the air gap adjustment device allows the height Adjust the height of the air gap to the respective spinning conditions by lifting the precipitation bath or the extrusion head.
- the system can also have a plurality of extrusion stations spaced apart from one another along the control area, each extrusion station being provided with spinning means. Accordingly, in this configuration, each extrusion station has an extrusion head, at least one deflection element and at least one bundling means.
- the system can be constructed in a modularly expandable manner from individual extrusion stations.
- body dimensions in the previous embodiments for example the eye height, the shoulder height and the grip area
- Such dimensions are given in Germany, for example, in DIN 33402.
- the median, ie the 50th percentile is to be used as the basis for the dimensions given, the population group between 16 and 60 years or alternatively from 18 to 40 years being used as the basis.
- these dimensions can differ in individual countries and regions and, for example, are smaller in East Asia than in Europe.
- a height between 135 and 175 cm, preferably of about 155 cm can be assumed as the eye level in the sense of the patent specification.
- Figure 1 shows an embodiment of a system according to the invention with an operator in a control area in a side view.
- FIG. 2 shows the system of FIG. 1 in a front view from the control area
- FIG. 3 shows the plant of FIG. 1 with an operator in a maintenance area in a side view
- FIG. 4 shows the system of FIG. 1 in a front view from the control area
- FIG. 5 shows the view of FIG. 3 with schematic dimensions
- FIG. 6 shows a second embodiment in a view of FIG. 3 with schematic dimensions
- FIG. 7 is a view along arrow VII of FIG. 6th
- Fig. 1 shows one of several possible embodiments of a system 1 for the production of continuous moldings 2 from a molding compound.
- a spinning solution (not shown) containing water, cellulose and tertiary amine oxide is used to produce the continuous moldings 2.
- the system 1 has an extrusion head 3 with extrusion openings (not shown), the molding composition being extruded into the continuous mold bodies 2 through the extrusion openings.
- the extruded endless moldings 2 are passed through an air gap 4 and a precipitation bath 5.
- a blowing device 6 is arranged in the air gap 4, through which a cooling air flow is directed onto the extruded endless molded bodies 2.
- the precipitation bath 5 is filled with a precipitation bath liquid, for example water, and has a trough-shaped container 8 with a transparent front 9 with a lower, obliquely extending part 9a and an upper, vertical part 9b.
- a precipitation bath liquid for example water
- Inlets and outlets 10 are arranged on the underside of the precipitation bath 5.
- the length of the air gap 4 can be adjusted via a handle 11 above the precipitation bath 5, which is part of an air gap adjusting device, for example by changing the height of the precipitation bath 5.
- the air gap can also be adjusted by tilting the tub around a pivot point.
- a handle 11 for the inclination adjustment can be attached at the point shown in FIG. 1.
- a deflection means 12, for example in the form of a roller, is arranged in the precipitation bath 5 or in the precipitation bath liquid. The deflecting means 12 deflect the endless molded bodies 2 in the direction of a precipitation bath surface 13 and in the direction of the front 14 of the installation 1.
- the endless moldings 2 are fed to a bundling means 15, which is attached to the front of the system 1.
- the endless moldings which enter the precipitation bath 5 as a flat curtain due to a rectangular arrangement of the extrusion openings in the extrusion head and are deflected by the deflecting means 12 as a flat process, are combined to form a thread bundle and fed to further processing steps, not shown.
- the bundling means 15 is configured essentially in the form of a roller, the axis of the roller being inclined with respect to the horizontal, so that part of the roller surface faces the front 14.
- the system 1 further comprises a control area 16, which runs parallel to the front 14 at a distance of at most 2 m, preferably from at most 1 m to 1.5 m, in front of the front 14 of the machine.
- the control area is accessible to operating personnel 17 and is used so that the operating personnel in the control area can check the proper functioning of the system 1 by eye inspection when passing or standing.
- the system 1 is designed in such a way that the extrusion area, or at least the extrusion head and / or the air gap 4, is held at a height via a support device 18, which corresponds approximately to the eye level A of an operator 17, the operator, as in FIG 1, stands essentially upright in the control area 16.
- the extrusion area thus lies in a central viewing area 19 of a person walking or standing upright in the control area 16.
- the precipitation bath surface 13 is preferably slightly below the eye level A of the operator 17, so that no or only a few reflections on the precipitation bath surface before appearing and a look into the filled precipitation bath 5 can be taken from the control area. Due to the inclination of the bundling means 15 against the horizontal, the operator 17 can easily check the perfect bundling of the endless moldings 2 into a bundle of threads. Due to the transparent front 9 of the tub 8 of the precipitation bath 5, the operator 17 can view the proper functioning of the deflection member 12 from the control area without major body movements being necessary.
- spin agent Any combination of extrusion head 3, air gap 4, precipitation bath 5, deflection means 12, bundling means 15 and blowing device 6 is referred to as spin agent, preferably the combination of all of these devices.
- the central visual area extends by approximately 15 ° on both sides of a horizontal line 20 running at eye level, preferably 15 ° below, and is on the one hand through that area of the retina of the eye of an operator 17 which has the highest optical and color resolution due to the highest Chopstick density, and on the other hand psychologically characterized by particularly sharp perception.
- the air gap 4 is freely visible and is not blocked by devices located between the operator 17 in the control area 16 and the air gap.
- An operator 17 is a person with the average body measurements of a statistically representative population group.
- FIG. 2 shows a view of the front of the system 14 as it is presented to an operator 17 in the control area 16. In order to make the height relationships more clearly visible, the operator is shown from the front in FIG. In Figure 2, parts of the reference numerals of Figure 1 are entered again to explain the understanding.
- the system 1 is constructed from a plurality of extrusion stations 21.
- extrusion stations 21 For example only, four extrusion stations 21 are shown in FIG. 2, but the number of extrusion stations 21 can also be smaller or larger.
- Each extrusion station 21 is assigned an extrusion head 3 with extrusion openings in a rectangular arrangement, the long side of the rectangle running parallel to the control area 16 and to the front 14 of the system 1. Furthermore, each extrusion station 21 has a blowing device 6 (not shown in FIG. 2) and a deflection means 12.
- system 1 can be expanded at any time. For example, as shown in FIG. 2, two troughs 21 are assigned to each tub 8, so that the system of FIG. 1 can be expanded as desired.
- the system 1 can have a viewing window 22 through which the person standing in the control area 16 can gain insight into the devices necessary for supplying the molding compound to the extrusion head 3.
- the viewing window 22 can in particular also be arranged within an area which extends up to 15 ° above the horizontal at eye level of a person 17 standing or standing upright in the control area 16.
- the system 1 can additionally have a maintenance area 23, the height of which is dimensioned such that the spinning means are preferably in the grip area of a person standing upright in the maintenance area 23. se in an area that is around and below the shoulder height S.
- the maintenance area 23 is raised or lowered compared to the control area 16, for example in the form of a platform 24.
- the height difference between the maintenance area 23 and the control area 16 corresponds approximately to the difference between the typical eye level A and the typical shoulder height of operators 17 in accordance with the above dimensioning rule with reference to representative cross sections of the population.
- the height difference can be between 20 cm and 40 cm, preferably around 25 cm.
- the platform 24 is designed such that the spinning means or at least essential spinning means are now located in a grip area 25 of an operator 17 standing on the platform 24 in the maintenance area.
- the operator 17 standing in the maintenance area 23 can access the extrusion area standing upright and carry out maintenance work essentially without changing the posture.
- This configuration enables the system 1 to be operated ergonomically.
- the spinning means 15, 12, 4, 6, 7 and / or 11 are arranged so that they are freely accessible so that they do not overlap from the standpoint of a person standing in the maintenance area 23.
- the spinning means are arranged in such a way that they can be freely viewed by the operator 17, who stands upright in the maintenance area 23, and do not overlap visually.
- the spinning means are arranged in such a way that they are arranged in an area 19 of the central vision by the operator 17 standing in the maintenance area 24 when the head is tilted downward.
- FIG. 4 shows a view of the system 1 from the control area 16 onto the front 14, the operator 17 being shown standing on the platform 24.
- the air gap 4 is arranged approximately at shoulder height, in Fig. 4 somewhat below, so that from the standing posture of the operator 17 an ergonomically favorable manual handle in a relaxed position of the spinning means around Air gap 4 is possible.
- the platform 24 can run around the installation 1 in order to provide easy access to the installation 1 from all sides.
- the ergonomic arrangement of the spinning means according to the invention can also be used in systems 1 in which the deflecting means 12 is attached outside the precipitation bath 5, for example in systems with spinning funnel systems.
- the distances between the spinning means from one another and the grip area of a person standing in the maintenance area 23 are shown schematically in FIG. 5.
- the shoulder 26 of the operator 17 is at a distance D from the center plane E through the rows of extrusion openings.
- the distance D is between 20 cm and 50 cm, preferably around 40 cm.
- the operator 17 can only approach the system 1 until it hits the front 9a of the precipitation bath 5.
- all spinning means are in the handle area, i.e. at a distance Ri from the shoulder 26, the distance Ri preferably not being greater than 70 cm.
- the distance Ri to the spinning agent most distant from the shoulder 26 is preferably between 35 cm and 45 cm.
- the most distant spinning means are, for example, the inflow or outflow 10 and the handle 11 for the air gap adjusting device.
- the distance R 2 from this central point 28 to the bundling means 15 is between 25 cm and 40 cm, preferably between 35 cm and 40 cm. 5, the bundling means 15 is attached above the central point 28 so that the operator 17 can easily access the pleasure gap.
- the height of the bundling agent above the air gap can be between 10 cm and 20 cm, preferably around 15 cm.
- the distance R 3 to the handle 11 of the air gap adjusting device is between 15 cm and 25 cm.
- the distance R of the central point 28 in front of the setting means for the blowing device 6 is preferably smaller than the distance R3.
- the distance R 5 from the front edge of the precipitation bath 5 is between 20 cm and 50 cm, preferably around 40 cm.
- the distances R 6 of the inlets and outlets 10 of the precipitation bath 5 are between 20 cm and 40 cm.
- the distance R 7 of the deflection means 12 from the central point 28 is less than 20 cm, preferably between 10 cm and 15 cm.
- This definition of the distances of the individual spinning means to one another and to the shoulder 26 of the operator 17 enables ergonomically favorable handling and maintenance of the spinning means in the upright position by the operator 17.
- the operator 17 can access all of the spinning means, or at least the essential spinning means 4, 12, 15, from one position without a change of position.
- FIG. 6 shows a second exemplary embodiment of a spinning installation 1 according to the invention, in which an additional deflection point 29 is formed by the upper edge 30 of the precipitation bath 5.
- the endless moldings 2 are deflected by the deflecting means 12 in the precipitation bath 5 in the direction of the upper edge 30 and from there down to the bundling means 15.
- the precipitation bath liquid is pressed out of the continuous mold bodies 2 and runs back along the front 90 into the precipitation bath.
- the embodiment shown in FIG. 6, with the deflection through the upper edge of the precipitation bath 5, is also advantageous only when considered independently of the ergonomic design of the system 1.
- the remaining configuration of the system 1 according to the exemplary embodiment in FIG. 6 corresponds to the exemplary embodiment in FIGS. 1 to 5.
- the bundling means 15 is easily accessible and immediately visible in the front area of the system 1.
- FIG. 7 shows a view along arrow VII of FIG. 6.
- the upper edge 30 has a shape 31 which is slightly lowered towards the other upper edge in order to enable the endlessly shaped bodies 2 to be guided in the direction of the bundling means 15 in a laterally stable manner.
- the upper edge 30 is rounded and made of a particularly smooth material that has only a low coefficient of friction when paired with the material of the endless molded body, for example made of stainless steel or coated stainless steel, which can also be polished.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10204381A DE10204381A1 (de) | 2002-01-28 | 2002-01-28 | Ergonomische Spinnanlage |
DE10204381 | 2002-01-28 | ||
PCT/EP2002/012593 WO2003064735A1 (de) | 2002-01-28 | 2002-11-11 | Ergonomische spinnanlage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1470270A1 true EP1470270A1 (de) | 2004-10-27 |
EP1470270B1 EP1470270B1 (de) | 2006-03-01 |
Family
ID=7713628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02806642A Expired - Lifetime EP1470270B1 (de) | 2002-01-28 | 2002-11-11 | Ergonomische spinnanlage |
Country Status (12)
Country | Link |
---|---|
US (1) | US7614864B2 (de) |
EP (1) | EP1470270B1 (de) |
KR (1) | KR100638423B1 (de) |
CN (1) | CN1325705C (de) |
AT (1) | ATE318946T1 (de) |
BR (1) | BR0215577A (de) |
CA (1) | CA2474167A1 (de) |
DE (2) | DE10204381A1 (de) |
MY (1) | MY130784A (de) |
TW (1) | TWI235187B (de) |
WO (1) | WO2003064735A1 (de) |
ZA (1) | ZA200405988B (de) |
Families Citing this family (12)
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DE10200406A1 (de) * | 2002-01-08 | 2003-07-24 | Zimmer Ag | Spinnvorrichtung und -verfahren mit turbulenter Kühlbeblasung |
DE10200405A1 (de) | 2002-01-08 | 2002-08-01 | Zimmer Ag | Spinnvorrichtung und -verfahren mit Kühlbeblasung |
DE10204381A1 (de) | 2002-01-28 | 2003-08-07 | Zimmer Ag | Ergonomische Spinnanlage |
DE10206089A1 (de) | 2002-02-13 | 2002-08-14 | Zimmer Ag | Bersteinsatz |
DE10213007A1 (de) * | 2002-03-22 | 2003-10-09 | Zimmer Ag | Verfahren und Vorrichtung zur Regelung des Raumklimas bei einem Spinnprozess |
DE10223268B4 (de) * | 2002-05-24 | 2006-06-01 | Zimmer Ag | Benetzungseinrichtung und Spinnanlage mit Benetzungseinrichtung |
DE10314878A1 (de) * | 2003-04-01 | 2004-10-28 | Zimmer Ag | Verfahren und Vorrichtung zur Herstellung nachverstreckter Cellulose-Spinnfäden |
DE102004024029A1 (de) * | 2004-05-13 | 2005-12-08 | Zimmer Ag | Lyocell-Verfahren und -Vorrichtung mit Steuerung des Metallionen-Gehalts |
DE102004024028B4 (de) * | 2004-05-13 | 2010-04-08 | Lenzing Ag | Lyocell-Verfahren und -Vorrichtung mit Presswasserrückführung |
DE102004024030A1 (de) | 2004-05-13 | 2005-12-08 | Zimmer Ag | Lyocell-Verfahren mit polymerisationsgradabhängiger Einstellung der Verarbeitungsdauer |
EP2719801A1 (de) * | 2012-10-10 | 2014-04-16 | Aurotec GmbH | Spinnbad und Verfahren zur Verfestigung eines Formkörpers |
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2002
- 2002-01-28 DE DE10204381A patent/DE10204381A1/de not_active Withdrawn
- 2002-11-11 WO PCT/EP2002/012593 patent/WO2003064735A1/de not_active Application Discontinuation
- 2002-11-11 BR BR0215577-0A patent/BR0215577A/pt not_active IP Right Cessation
- 2002-11-11 CA CA002474167A patent/CA2474167A1/en not_active Abandoned
- 2002-11-11 EP EP02806642A patent/EP1470270B1/de not_active Expired - Lifetime
- 2002-11-11 CN CNB028284267A patent/CN1325705C/zh not_active Expired - Lifetime
- 2002-11-11 DE DE50205976T patent/DE50205976D1/de not_active Expired - Fee Related
- 2002-11-11 AT AT02806642T patent/ATE318946T1/de not_active IP Right Cessation
- 2002-11-11 KR KR1020047011666A patent/KR100638423B1/ko not_active IP Right Cessation
-
2003
- 2003-01-20 TW TW092101180A patent/TWI235187B/zh not_active IP Right Cessation
- 2003-01-27 MY MYPI20030257A patent/MY130784A/en unknown
-
2004
- 2004-07-27 ZA ZA200405988A patent/ZA200405988B/en unknown
- 2004-07-28 US US10/900,518 patent/US7614864B2/en active Active
Non-Patent Citations (1)
Title |
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See references of WO03064735A1 * |
Also Published As
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BR0215577A (pt) | 2004-12-21 |
US7614864B2 (en) | 2009-11-10 |
KR20040078144A (ko) | 2004-09-08 |
ATE318946T1 (de) | 2006-03-15 |
CN1623015A (zh) | 2005-06-01 |
US20050048151A1 (en) | 2005-03-03 |
DE10204381A1 (de) | 2003-08-07 |
WO2003064735A1 (de) | 2003-08-07 |
MY130784A (en) | 2007-07-31 |
CA2474167A1 (en) | 2003-08-07 |
CN1325705C (zh) | 2007-07-11 |
TW200302299A (en) | 2003-08-01 |
ZA200405988B (en) | 2007-02-28 |
KR100638423B1 (ko) | 2006-10-24 |
EP1470270B1 (de) | 2006-03-01 |
TWI235187B (en) | 2005-07-01 |
DE50205976D1 (de) | 2006-04-27 |
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