EP1687472B1 - Fadensteuervorrichtung für eine textilmaschine, insbesondere für eine fachbildevorrichtung - Google Patents
Fadensteuervorrichtung für eine textilmaschine, insbesondere für eine fachbildevorrichtung Download PDFInfo
- Publication number
- EP1687472B1 EP1687472B1 EP04797226A EP04797226A EP1687472B1 EP 1687472 B1 EP1687472 B1 EP 1687472B1 EP 04797226 A EP04797226 A EP 04797226A EP 04797226 A EP04797226 A EP 04797226A EP 1687472 B1 EP1687472 B1 EP 1687472B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- control device
- thread control
- cylinder
- valve seat
- 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.)
- Active
Links
- 239000004753 textile Substances 0.000 title claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 23
- 238000000926 separation method Methods 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 22
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000219098 Parthenocissus Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
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
- D03C13/02—Shedding mechanisms not otherwise provided for with independent drive motors
- D03C13/025—Shedding mechanisms not otherwise provided for with independent drive motors with independent frame drives
-
- 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
- D03C5/00—Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C5/00—Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices
- D03C5/02—Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices operated by rotating cams
- D03C5/04—Construction or shape of cams
Definitions
- the invention relates to a thread control device of a textile machine, in particular for a shedding device according to the preamble of claim 1.
- Thread control devices for textile machines are known in large numbers.
- the closest prior art according to the WO 97/08373 discloses a thread control device which is formed with a drive and a retraction device for a thread guide member.
- the thread guide member is movable in a direction of movement by means of the form-fitting drive and in the opposite direction of movement by means of a frictional and pneumatically formed retraction device acting against the form-locking drive.
- the pneumatic retraction device has a cylinder / piston unit whose cylinder chamber is designed with a pressure relief valve and a check valve which is connected to a compressed gas source. The gas pressure in the cylinder chamber is adjusted depending on the operating state of the textile machine.
- the gas pressure is kept smaller than in a high-speed phase, so that the electric motor can provide the necessary power to overcome the resulting from the compression of the cylinder chamber load.
- a high-speed phase of the electric motor provides sufficient power so that the gas pressure can be further increased to prevent lifting a roll on a cam of the positive drive.
- the cylinder chamber may be configured with a manually operable pressure relief valve to minimize the resistance created by the compression of the cylinder chamber when setting up the textile machine.
- a disadvantage of the above solution is that the gas pressure in the cylinder chamber must be adapted to a respective operating state. This requires a complex pressure control device for adjusting the gas pressure of the cylinder chamber, the pressure reducing valves and opening valves to control each cylinder chamber necessary. Moreover, a complex electronic control of the valves is necessary in order to adapt the pressure in the cylinder chambers to a respective operating state.
- the valve is designed such that in addition to the requirements of stationary operation, an oil separation is possible.
- the valve is actuated at regular time intervals for a few seconds to allow the accumulated in the compression chamber oil to drain. So that a lifting of the role of the eccentric of the positive drive is avoided, the speed of the textile machine during this process (so-called care cycle) must be reduced. It is also opened in the crawl, so that the pressure in the cylinder chamber does not rise significantly above the feed pressure. This reduces the required power of the motor, which is necessary so that the main motor can run around at low speeds and thus manual turning of the handwheel without too much effort is possible.
- a disadvantage of the above solution is the great effort for electrical / pneumatic control of the valve.
- the whole control of the pneumatic drive of the yarn control device therefore has a large number of components, such as check valves, pressure relief valves, pressure reducing valves, and electronic control units, which make the system more susceptible to disturbances.
- the economy of the textile machine is alleviated by the repetitive lowering of the engine speed every 15 minutes to discharge the lubricating oil. Lowering the engine speed may also adversely affect web quality, for example, resulting in a slight change in the width of the manufactured web.
- the object of the invention is to improve a yarn control device of the type mentioned.
- the valve has a first associated with a cylinder chamber valve seat and a second valve seat, between which a provided with at least one throttle and biased against the first valve seat with a spring valve member is movable, wherein the throttle body is ineffective and the valve member communication with the compressed gas source locks when the valve member is present at the second valve seat, the valve can operate without external control in different operating conditions. Furthermore, a reliable separation of oil without lowering the speed, a reduction of the maximum compression pressure in the cylinder chamber at partial load, as well as lowering the compression pressure to feed pressure in crawl without additional measures provided by the autonomously operating valve.
- valve In principle, various embodiments of the designed with two valve seats valve are conceivable.
- Advantageous is an embodiment according to claims 2 and 3, wherein the housing has two parts, wherein the one part has the first valve seat at one end and the other is designed as a final part of the housing with the second valve seat and a passageway.
- the valve therefore has the simplest possible structure, which allows cost-effective production and easy assembly of the valve.
- the valve housing can basically have different shapes, advantageously a cylindrical design of the housing according to claim 4. This training allows a good guidance of the piston-like valve member in the housing.
- the piston-like valve member may also be provided with a sealing ring to seal the cylinder chamber to the outside.
- the valve may be arranged in a connecting line between the cylinder chamber and the feed pressure chamber.
- a direct arrangement in the cylinder of the cylinder / piston assembly according to claim 6 is advantageous.
- the valve can thus communicate directly with the cylinder chamber, and lubricating oil accumulated in the cylinder chamber can thus be fed through the valve into the supply pressure chamber in a short path. Accordingly, the end part of the valve is connected directly to the feed pressure chamber according to claim 8, in turn, to minimize the flow resistance and the flow path of the effluent oil.
- the feed pressure chamber can in principle have any desired configuration.
- Advantageous is an embodiment according to claims 9 to 12, which the feed pressure chamber is formed with an outlet for oil separation arranged at its bottom, and according to which a connection for compressed air can be arranged on a lateral wall at a distance from the bottom of the feed pressure chamber.
- This arrangement of the compressed air connection and the oil separation outlet prevents accumulated oil in the supply pressure chamber from clogging the compressed air connection or flowing into a connection line of the compressed air connection.
- each retraction device can have a separate feed pressure chamber.
- valves 13 to 16 a particularly simple embodiment of the valve is described, while the valve may be arranged in conjunction with the claims 5 and 6 in a lower position of the cylinder chamber of the cylinder / piston unit.
- a lower portion of the cylinder can serve as a housing for the valve.
- the valve space can be advantageously limited by the cylinder inner surface, by a closing the cylinder chamber end part and by a valve member and are connected directly via a arranged on the cylinder wall connection with a compressed gas source.
- a first valve seat for the valve member may be formed according to claim 14 on an annular stop.
- a second valve seat may be formed on a sleeve part of the closure part. Moves the valve member against the second valve seat, the communication of the cylinder chamber is blocked with the source of pressurized gas and the throttle points on the valve member ineffective.
- the valve is activated as soon as the pressure in the feed pressure chamber exceeds the switching pressure.
- the latter depends both on the pressure of the feed pressure chamber and on the biasing force of the spring.
- the biasing force can be adjusted, for example via a screw from the outside.
- the maximum compression pressure of the valve is adjustable by means of the flow cross-section of the throttle point according to claim 19. If a higher compression pressure is required, the flow cross-section of the throttle point is reduced. Due to the smaller throttle area, the communication between the cylinder chamber and the compressed gas source is interrupted earlier, whereby a higher maximum compression pressure is achieved.
- the switching pressure and the maximum compression pressure in the cylinder chamber can be adjusted in a simple manner.
- the FIG. 1 shows a needle loom with a machine frame 2, in which a main drive shaft 4 is mounted, which drives at least one unsinged weft needle 6, a reed 7, a fabric take-off 8 and designed as a shank device 10 thread control device.
- the needle loom comprises a warp beam frame 12 carrying warp beams 14, from which warp yarns 16 are fed to the shank device 10 which opens the warp yarns to a shed 18.
- a weft yarn 24 of the weft needle 6 is fed from a yarn package 22, which introduces a weft yarn loop into the shed 18.
- Successive weft loops can be tied with themselves or by means of a fishing thread 26 which is fed via a further yarn feeding device 28 of a knitting needle, not shown here, to bind a registered weft yarn loop and secure.
- the Figures 2 shows the shaft device 10, in which a plurality of shaft frame 30 are connected to thread guide members 31 each by means of a link 32 on the one hand via a positive drive 35 with a cam drive 34 and on the other hand with a pneumatic retraction device 36.
- the cam drive 34 has pivot lever 38, which cooperate at a drive point 40 with cam 42 of a camshaft 44. At the output point 46, the pivot lever 38 are articulated via joints 48 to the links 32.
- the given by the joints 48 pivot axes extend at right angles to the plane defined by the shaft frame 30 levels.
- the distances A of the pivot lever 38 of the drive points 40 to the respective pivot axes 50 are different between adjacent pivot levers, wherein the distances B of the output points 46 to the fixed pivot axes 50 are different, the whole such that the shaft frames are displaced by different lengths, to form a continuously widening and narrowing shed, like this FIG. 1 evident.
- the pneumatic retraction device 36 is formed by a cylinder chamber 52, in which a piston 54 is displaceable, which is in communication with the handlebar 32 in order to compress the piston positively in the operating frequency of the cam drive 34.
- the cylinder chamber 52 is connected to a valve 56.
- the latter is preceded by a feed pressure chamber 58 via which a compressed gas source 60 is connected in order to maintain the gas pressure in the cylinder chamber 52 upright.
- FIG. 3 and FIG. 4 show the pneumatic retraction device on a larger scale during a compression process.
- the valve housing consists of two parts, a sleeve-like housing 70 having formed at one end of the first valve seat 72 which is connected to the cylinder chamber 52 and a closure member 74, the a second valve seat 76 and a passageway 78 has. The latter is connected to the feed pressure chamber 58. Between the valve seats provided with throttle bodies 80 valve member 82 is movably arranged.
- valve member 82 In the initial state of FIG. 3 is the valve member 82 by means of the biasing force of a spring 84 against the first. Valve seat 72 biased so that the cylinder chamber 52 and the feed pressure chamber 58 communicating via the throttle bodies 80 in the valve member 82 and the passageway 78 of the closure member 74 communicating with each other. At high pressure in the cylinder chamber 52, the valve member 82 moves against the second valve seat 76 and interrupts the communication between the cylinder chamber 52 and the feed pressure chamber 58, as shown in FIG FIG. 4 is shown. In this position, the throttle bodies 80 are ineffective.
- H stands for the stroke of the piston of the cylinder / piston unit with UT as bottom dead center and TDC as top dead center and PK for the pressure of the gas in the cylinder chamber.
- PS represents the necessary switching pressure, so that the valve member switches from the first to the second valve seat, respectively from the second to the first valve seat.
- the switching pressure PS can be divided into the feed pressure PD of the compressed gas source and the corresponding pressure PF of the spring force.
- VZ represents the position of the locked and VO that of the valve communicating with the cylinder chamber via the throttle points.
- the piston 54 moves in the cylinder 64 from top to bottom and displaces it in a first phase of air through the throttle valve 80 formed on the piston-like valve member 82 against the feed pressure chamber 58th
- the pressure difference (PK-PD) above the valve member 82 increases until the switching force generated by the cylinder chamber pressure PK on the valve member 82 overcomes the biasing force of the spring 84 and the force on the valve member 82 generated by the feed pressure PD, and the valve member 82 against the second valve seat 76 presses.
- the throttle point 80 of the valve member 82 is no longer effective.
- the cylinder chamber pressure PK increases sharply during the compression process in the cylinder chamber 52 and reaches its maximum at the bottom dead center UT.
- the valve member 80 moves from the second to the first valve seat 76 as soon as the spring force exceeds the force generated by the pressure difference (PK-PD) on the valve member 80.
- the feed pressure PD sets in the cylinder chamber. Moreover, any accumulated oil in the cylinder chamber 52 can now drain through the passageway 78.
- the outflowing oil is blown out by the displaced into the feed pressure chamber 58 air and flows in an outlet formed at a bottom 86 of the feed pressure chamber 88 for oil separation.
- a connection 90 for compressed air is arranged on a side wall 92 of the feed pressure chamber, thus preventing further backflow of the oil.
- FIG. 5 and FIG. 6 show a further embodiment of a pneumatic retraction device on a larger scale during a compression process.
- the piston 54 in turn in a top dead center 66 and FIG. 6 the piston 54 at a bottom dead center 68 in the cylinder 64 after the compression of the cylinder chamber 52.
- a valve 56a is in turn disposed directly at a lowermost point of the cylinder 64.
- the wall of the cylinder serves as a valve housing and a valve chamber 94 is bounded by the wall of the cylinder 64, a closure member 64a closing the cylinder 64 and a piston-like valve member 82a.
- a trained as a ring stop 71 is disposed directly in the interior of the cylinder 64 of the cylinder / piston unit and serves as an ester valve seat 72a for the piston-like valve member 82a.
- the latter is in turn biased against the first valve seat 72a by a spring 84a.
- the spring 84a is supported on the end part 74a closing off the cylinder, which has an inner sleeve part 96 for guiding the spring 84a and whose free end also serves as a second valve seat 76a for the valve member 82a. If the latter abuts against the second valve seat 76a, throttling point 80a formed in the valve member 82a becomes ineffective.
- connection 90a arranged on the cylinder for a compressed gas source 60 is blocked by means of the valve member 82a.
- An oil discharge outlet 88a formed on the end part 74a can drain oil accumulated in the cylinder chamber 52.
- valve member 82a In the initial state of FIG. 5 the valve member 82a is biased by the biasing force of the spring 84a against the first valve seat 72a, so that the cylinder chamber 52 with a compressed gas source via the throttle bodies 80a in Valve member 82a are in communication. At high pressure in the cylinder chamber 52, the valve member 82 a moves against the second valve seat 76 a and interrupts the communication between the cylinder chamber 52 and the compressed gas source 60 by blocking the port 90 a disposed in the cylinder wall, as shown in FIG FIG. 6 is shown. In this position, the throttle bodies 80a are ineffective.
- connection 90a for compressed air is arranged on a wall 100 of the cylinder at a distance from the bottom of the closure part, and thus prevents further backflow of the oil.
- FIG. 7a, 7b and 7c are the pressure and piston curves of the inventive retraction device over two load cycles in creeper for a speed of 800 rev / min ( Figure 7a ), for part load at 1000 rpm ( FIG. 7b ) and for full load at 4000 rpm ( FIG. 7c ).
- the cylinder chamber pressure PK reaches the required switching pressure PS during one cycle, whereupon the valve blocks the communication of the compressed gas source with the cylinder chamber and the compression begins in the closed cylinder chamber.
- the compression in the cylinder chamber reaches its maximum at a bottom dead center UT.
- Upon subsequent expansion of the cylinder chamber pressure PK falls again below the switching pressure PS.
- the cylinder chamber is now again in communication with the source of compressed gas and upon reaching a top dead center OT of the piston is again in the cylinder chamber feed pressure PD a.
- the required switching pressure PS is reached earlier (FIG. 7c) than at lower operating speeds.
- the compression therefore takes place over a larger stroke and consequently the maximum compression pressure reaches a higher value than at lower operating speeds.
- the necessary switching pressure PS is reached, whereupon the valve restores the communication of the cylinder chamber with the compressed gas source.
- the maximum compression pressure is a direct function of the speed of the machine, i. at higher speeds, the maximum compression pressure also increases. This is advantageous both for economical operation of the machine, as well as for proper operation of the positive drive.
- valve By opening the valve once per cycle, a continuous flow of the accumulated in the cylinder chamber lubricating oil. For a safe and steady operation of the system is possible without any maintenance cycles to remove the lubricating oil from the cylinder chamber.
- the above-described tasks and requirements for the valve are autonomous, ie without any external control.
- By dimensioning the spring force, the throttle cross-section and the valve member outer diameter or the valve seat diameter are given the autonomous control functions of the valve.
- the retraction device for a Fanden horrinvorraum described here thus fulfills a variety of requirements autonomously and at the same time has a minimal technical effort.
- the retraction device is therefore particularly inexpensive to manufacture and largely maintenance and trouble-free in operation due to their simple structure.
- the inventive thread control device can also be used for a single thread control, for example for a jacquard machine, further in a weft thread device for presenting individual weft threads.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Looms (AREA)
- Sewing Machines And Sewing (AREA)
- Actuator (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Lift Valve (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH20342003 | 2003-11-28 | ||
PCT/CH2004/000669 WO2005052233A1 (de) | 2003-11-28 | 2004-11-05 | Fadensteuervorrichtung für eine textilmaschine, insbesondere für eine fachbildevorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1687472A1 EP1687472A1 (de) | 2006-08-09 |
EP1687472B1 true EP1687472B1 (de) | 2010-01-20 |
Family
ID=34624412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04797226A Active EP1687472B1 (de) | 2003-11-28 | 2004-11-05 | Fadensteuervorrichtung für eine textilmaschine, insbesondere für eine fachbildevorrichtung |
Country Status (11)
Country | Link |
---|---|
US (1) | US20070119142A1 (ja) |
EP (1) | EP1687472B1 (ja) |
JP (1) | JP4617314B2 (ja) |
KR (1) | KR100754106B1 (ja) |
CN (1) | CN1886540B (ja) |
AT (1) | ATE455885T1 (ja) |
BR (1) | BRPI0416975B1 (ja) |
DE (1) | DE502004010685D1 (ja) |
ES (1) | ES2337470T3 (ja) |
HK (1) | HK1094812A1 (ja) |
WO (1) | WO2005052233A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2019158B1 (en) * | 2007-07-26 | 2010-01-27 | Luigi Omodeo Zorini | Needle loom |
DE102008046326A1 (de) * | 2008-08-29 | 2010-03-04 | Picanol N.V. | Verfahren und Vorrichtung zum Beobachten eines Bewegungsverlaufs einer Webmaschine |
CN101922076B (zh) * | 2009-06-12 | 2012-08-15 | 赵斯伟 | 织机开口装置 |
CN103582725B (zh) * | 2011-06-01 | 2015-10-21 | 泰克斯蒂尔玛股份公司 | 剑杆织机和相应的纺织方法 |
CN103132213A (zh) * | 2011-12-02 | 2013-06-05 | 江南大学 | 一种小样织机双气缸控制剑杆的快速引纬方法 |
DE102013101988A1 (de) * | 2013-02-28 | 2014-08-28 | Maschinenfabrik Rieter Ag | Spinnstelle zur Herstellung eines Garns |
EP3018244B1 (de) * | 2014-11-04 | 2017-03-15 | Karl Mayer Textilmaschinenfabrik GmbH | Legebarrenanordnung einer Kettenwirkmaschine |
CN104727001B (zh) * | 2015-04-20 | 2016-09-07 | 江苏工程职业技术学院 | 一种缂丝半自动小样机装置 |
EP3141642A1 (de) * | 2015-09-10 | 2017-03-15 | Textilma Ag | Webmaschine zur herstellung von webgut mit eingearbeiteten wirk- oder legefäden |
CN105350139B (zh) * | 2015-11-13 | 2017-06-30 | 浙江嘉欣丝绸股份有限公司 | 一种磁控气压式大提花开口控制装置及控制方法 |
EP3257983A1 (de) * | 2016-06-15 | 2017-12-20 | Textilma Ag | Nadelbandwebmaschine und entsprechendes webverfahren |
CN111334914B (zh) * | 2020-04-24 | 2021-12-28 | 博优技术纺织品(威海)有限公司 | 一种织机的共轭凸轮开口装置及其纺织方法 |
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-
2004
- 2004-11-05 CN CN2004800345919A patent/CN1886540B/zh active Active
- 2004-11-05 WO PCT/CH2004/000669 patent/WO2005052233A1/de not_active Application Discontinuation
- 2004-11-05 US US10/581,004 patent/US20070119142A1/en not_active Abandoned
- 2004-11-05 AT AT04797226T patent/ATE455885T1/de not_active IP Right Cessation
- 2004-11-05 JP JP2006540128A patent/JP4617314B2/ja active Active
- 2004-11-05 ES ES04797226T patent/ES2337470T3/es active Active
- 2004-11-05 EP EP04797226A patent/EP1687472B1/de active Active
- 2004-11-05 BR BRPI0416975-1A patent/BRPI0416975B1/pt not_active IP Right Cessation
- 2004-11-05 KR KR1020067010096A patent/KR100754106B1/ko not_active IP Right Cessation
- 2004-11-05 DE DE502004010685T patent/DE502004010685D1/de active Active
-
2007
- 2007-02-21 HK HK07101950.9A patent/HK1094812A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BRPI0416975A (pt) | 2007-02-21 |
US20070119142A1 (en) | 2007-05-31 |
CN1886540B (zh) | 2011-01-12 |
BRPI0416975B1 (pt) | 2014-12-23 |
WO2005052233A1 (de) | 2005-06-09 |
CN1886540A (zh) | 2006-12-27 |
DE502004010685D1 (de) | 2010-03-11 |
EP1687472A1 (de) | 2006-08-09 |
ES2337470T3 (es) | 2010-04-26 |
JP4617314B2 (ja) | 2011-01-26 |
KR100754106B1 (ko) | 2007-08-31 |
KR20060088566A (ko) | 2006-08-04 |
HK1094812A1 (en) | 2007-04-13 |
JP2007512441A (ja) | 2007-05-17 |
ATE455885T1 (de) | 2010-02-15 |
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