EP2731900B1 - Garnwickler und verfahren zum wickeln von garn auf spulen - Google Patents

Garnwickler und verfahren zum wickeln von garn auf spulen Download PDF

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Publication number
EP2731900B1
EP2731900B1 EP12731289.0A EP12731289A EP2731900B1 EP 2731900 B1 EP2731900 B1 EP 2731900B1 EP 12731289 A EP12731289 A EP 12731289A EP 2731900 B1 EP2731900 B1 EP 2731900B1
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EP
European Patent Office
Prior art keywords
roving
bobbin
guide device
empty bobbin
toothed strip
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
Application number
EP12731289.0A
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English (en)
French (fr)
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EP2731900A1 (de
Inventor
Petr Haska
Jiri STECH
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.)
Maschinenfabrik Rieter AG
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Maschinenfabrik Rieter AG
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Publication of EP2731900A1 publication Critical patent/EP2731900A1/de
Application granted granted Critical
Publication of EP2731900B1 publication Critical patent/EP2731900B1/de
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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
    • B65H67/044—Continuous winding apparatus for winding on two or more winding heads in succession
    • B65H67/048—Continuous winding apparatus for winding on two or more winding heads in succession having winding heads arranged on rotary capstan head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H65/00—Securing material to cores or formers
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/40—Arrangements for connecting continuously-delivered material to bobbins or the like
    • 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 roving winder, particularly a turret roving winder, comprising at least a pair of rotating bobbins, each provided with a circumferential toothed strip for holding the roving, the bobbins being fitted on a rotary platform which is rotatably fitted in a frame of the equipment, the winder also comprising a roving guide device located longitudinally with respect to the axis of rotation of the bobbin, positioned outside the rotary platform and adjacent to one bobbin, while the other bobbins are brought towards the roving guide device by the rotation of the rotary platform when each fully wound bobbin is exchanged for an empty bobbin.
  • the invention also relates to a method of winding rovings on to bobbins, particularly on a turret roving winder, in which the roving is wound with the aid of a roving guide device on to a rotating bobbin, the fully wound bobbin is moved away from the roving guide device after the winding of the full bobbin, and the empty rotating bobbin with a toothed strip for holding the roving is brought towards the roving guide device, while the roving continues to be wound on to the fully wound bobbin.
  • This comprises a rotary platform (or carousel) on which the bobbins are fitted on rotating powered spindles, one of the bobbins being located adjacent to a guide device, while the other bobbins are brought towards the guide device by the rotation of the rotary platform after the winding of a full bobbin.
  • Turret winders are known for the most part in the production of man-made fibres, as disclosed for example in EP 0 367 253 A1 and WO 99/12837 A1 , in which the bobbins used have fibre catching devices which act in such a way that, when the rotary platform rotates, after one bobbin is fully wound, to a position in which an empty bobbin is located next to the guide device, the unstably formed fibre is caught by the catching device on the empty bobbin, and the fibre is broken between the fully wound bobbin and the empty bobbin and subsequently continues to be wound on to the empty bobbin, without any interruption in the roving production and winding process.
  • JP 50 780 12 discloses a turret winder comprising a rotary platform with bobbins, in which one bobbin is adjacent to a guide device with a set of rotating blades.
  • the equipment also comprises a fibre manipulating device, which guides the fibre, after a bobbin has been fully wound, beyond the reach of the guide device, after which the rotary platform rotates and an empty bobbin is placed next to the guide device. Meanwhile the fibre continues to be produced and is wound, without interruption, on to the full bobbin (which has been moved away) at a single point on the width of the bobbin, because the fibre is not being guided.
  • the rotary platform rotates, the fibre is directed on to an auxiliary guide on a spindle located on the rotary platform.
  • the oscillation of an auxiliary arm then causes the fibre to be directed into the area between the auxiliary guide and the empty bobbin, and on to the catching means on the empty bobbin, which is usually a tapering holder, causing the fibre to be caught by its "wedging" action, the fibre then being broken between the empty bobbin and the fully wound bobbin in such a way that the newly produced fibre is then wound on to the empty bobbin only, and the fully wound bobbin is removed from the equipment.
  • the bobbins used for winding the roving do not have roving catching devices, because they have only a circumferential toothed strip (such as a toothed part of a Velcro fastener or a unidirectional fine brush) which can hold a roving which is placed on it, but cannot catch a roving which simply travels past it. It has also been found that the roving does not have sufficient inherent stability to be caught by the aforementioned method on a bobbin with a catching device. Since the roving is not caught by the bobbin, it is not broken, and even when the rotary platform rotates, the roving continues to be wound on to the original full bobbin which has been rotated away from the roving guide device.
  • a circumferential toothed strip such as a toothed part of a Velcro fastener or a unidirectional fine brush
  • the object of the invention is to provide a reliable roving winder with a device for catching the roving on the empty bobbin and for breaking the roving when the fully wound bobbin is exchanged for an empty bobbin.
  • Another object of the invention is to provide a method of winding roving on to a bobbin, in which the roving is reliably broken and is caught on the empty bobbin when the fully wound bobbin is exchanged for an empty bobbin.
  • the object of the invention is achieved by means of a roving winder, particularly a turret roving winder, according to independent claim 1 and by the method according to independent claim 7.
  • the roving winder is provided with a movably fitted impulse means whose direction of movement intersects the direction of movement of the roving between the fully wound bobbin and the empty bobbin near the roving guide device in the proximity of the circumferential toothed strip on the empty bobbin, the impulse means being coupled to a drive means.
  • the impulse means can be moved at a velocity such that its impact on the roving breaks the roving and deflects the free end of the roving on to the circumferential toothed strip on the empty bobbin near the roving guide device.
  • the roving is broken in a controlled way in the area between the fully wound bobbin and the empty bobbin and the free end of the roving on the empty bobbin is simultaneously directed on to the toothed strip for holding the roving on the empty bobbin, where the roving is caught by the toothed strip and starts to be wound on to the empty bobbin without any interruption in the production or the winding of the roving.
  • the advantage of this invention is that it enables the roving to be caught on a rotating bobbin without an interruption in the production and winding of the roving, thus increasing the productivity of the production and winding of the roving and improving the automation of the process.
  • Fig. 1 shows a schematic side view of an exemplary embodiment of the roving winder
  • Fig. 2 is a plan view of the equipment of Fig. 1
  • Fig. 3a shows an exemplary arrangement of the impulse means
  • Fig. 3b shows an exemplary arrangement of the impulse means
  • Fig. 3c shows an exemplary arrangement of the impulse means
  • Fig. 3d shows an exemplary arrangement of the impulse means.
  • the roving winder can be used to wind a roving on to a rotating bobbin.
  • the preferable arrangement of the winder is the arrangement used in turret winders.
  • a turret winder comprises a rotary platform on which at least two powered spindles are positioned rotatably about the longitudinal axis of the platform, these spindles holding bobbins on which the roving is received in the winding process.
  • Each of the bobbins is fitted near one of its ends with a means for holding the roving, this means usually being a circumferential toothed strip.
  • this strip is a strip carrying the toothed part of a Velcro fastener or a unidirectional fine brush or the like, placed around the circumference of the bobbin.
  • a roving guide device is positioned along the axis of rotation of the bobbin, in other words along the length and/or width of the bobbin, this device being adjacent to one bobbin, while the other bobbins are brought towards the guide device by the rotation of the rotary platform when a fully wound bobbin is exchanged for an empty bobbin.
  • the roving guide device is designed in a suitable way which is not significant for the operation of the present invention.
  • the winding takes place in such a way that the roving is wound on to one bobbin.
  • the platform rotates, thus moving the fully wound bobbin away from the guide device, while an empty bobbin approaches the device.
  • the roving continues to be guided by the guide device and and is wound on to the fully wound bobbin which is moved away from the guide device, while the roving travels past the empty bobbin, because the roving bobbins do not have roving catching means, but only means for holding the roving.
  • the means for breaking the roving and deflecting it towards the roving holding means on the empty bobbin are then actuated, in order to impart an impulse to the roving which not only breaks the roving between the full bobbin and the empty bobbin, but also simultaneously deflects the newly formed end of the roving towards the roving holding means.
  • This roving breaking and deflecting means takes the form of a movably fitted impulse means whose direction of movement intersects the direction of movement of the roving between the fully wound bobbin and the empty bobbin which is located near the roving guide device, this direction of movement of the roving intersecting the direction of movement of the impulse means in the area of the circumferential toothed strip on the empty bobbin.
  • the impulse means is connected to a drive which imparts a sufficient acceleration to it as it intersects the direction of the roving near the circumferential toothed strip on the empty bobbin.
  • the impulse means is made in the form of a suitable element such as a hook, a plate, a bent plate, a rod, or a rod with an end for guiding the roving to facilitate the catching of the roving, or the like.
  • the impulse means is made from metal, plastics or composite material or from any other suitable material, provided that its mass is sufficient, when combined with the velocity of movement of the impulse means, to impart the requisite impulse to the roving.
  • the drive to the impulse means can be mechanical, pneumatic or magnetic, or can be of a combined type, also known as "hybrid".
  • the part of the impulse means designed to contact the roving for example the leading edge of an impulse means in plate form, with an edge which reduces or eliminates the possibility that the roving may fail to be broken, which might cause the roving to "whip round" the impulse means and continue to be wound on to the fully wound bobbin.
  • the impulse means could be made in the form of a reciprocatingly projecting or reciprocatingly oscillating or reciprocatingly linearly moving or rotating device.
  • the specific individual design of the impulse means and its drive can be varied, for example in accordance with the specific design of the winder and its spatial arrangement.
  • the impulse means moves with sufficient velocity or acceleration to cause the roving to break as a result of its impact on the roving, although the break must not take place at the point of the impact of the impulse means on the roving, and also to deflect the free end of the roving running from the guide device towards the circumferential toothed strip on the empty bobbin near the roving guide device, in such a way that the deflecting force acting on this end of the roving substantially presses the roving on to the circumferential toothed strip, which retains the roving because of its capacity to hold the roving.
  • the whole device in order to improve the "pressing" of the newly formed end of the roving on to the circumferential toothed strip of the empty bobbin near the roving guide device, the whole device can be arranged in such a way that the impulse means moves closely past the circumferential toothed strip of the empty bobbin near the roving guide device, so that, if the velocity of movement of the impulse means is sufficient, the roving is not only reliably broken but is also reliably positioned on the circumferential toothed strip of the empty bobbin near the roving guide device, where it is then correctly retained, and the production of the roving and its winding on to the bobbin continue without interruption.
  • the roving When the roving is wound on to a bobbin, particularly on a turret roving winder, use is made of a method in which the roving is wound on to a rotating bobbin by means of a roving guide device.
  • a bobbin When a bobbin has been fully wound, the fully wound bobbin is moved away from the roving guide device, and an empty rotating bobbin fitted with a toothed strip for holding the roving is brought towards the guide device. During this movement the roving continues to be wound on to the fully wound bobbin which is moved away from the guide device, which continues to guide the roving along the height and/or width of the bobbin.
  • the roving is broken in a controlled way in the area between the fully wound bobbin and the empty bobbin, and the newly formed free end of the roving running from the guide device is simultaneously directed, or deflected, on to the toothed strip for holding the roving on the empty bobbin.
  • the movement of the newly formed free end of the roving on to the toothed strip for holding the roving on the empty bobbin is assisted by the high velocity of movement of the roving before it is broken and by the high velocity of the free end after the roving has been broken.
  • the roving reaches the toothed strip on the empty bobbin, which thus holds the "delivered” roving, after which the roving starts to be wound on to the empty bobbin, the whole procedure taking place without any interruption in the production or winding of the roving.
  • FIG. 1 to 3d A specific exemplary embodiment of the winder in the form of a turret winder and some of its sub-units are shown in Figs. 1 to 3d .
  • the winder comprises a rotary platform 1 which is fitted rotatably in the frame of the equipment (not shown). At least two powered rotating spindles 2 are positioned on the platform 1, and bobbins 3 are fitted on these spindles, the roving 5 being wound on to one of the bobbins 3 with the aid of the guide device, represented in this case by a presser finger 4.
  • the bobbins 3 are fitted in the proximity of one end, shown here as the upper end, with a means for holding the roving, in this case a circumferential toothed strip 6, which can be seen on the empty bobbin 31 near the roving guide device 5. Figs.
  • FIG 1 and 2 show the situation in which a fully wound bobbin 30 is located to the left and the platform 1 has rotated in such a way that the fully wound bobbin 30 is moved away from the guide device, near to which an empty bobbin 31 is positioned.
  • the roving 5 runs from the guide device past the empty bobbin 31 to the full bobbin 30 which has been moved away, and continues to be guided and wound on to this bobbin.
  • Fig. 1 the roving 5 is in the upper position, but as soon as the presser finger 4 of the roving guide device is moved downwards past the circumferential toothed strip 6, the impulse means 7 located outside the platform 1 is driven forwards at the requisite velocity and with the requisite acceleration, thus intersecting the direction of movement of the roving 5 between the fully wound bobbin 30 and the empty bobbin 31 near the roving guide device in the area of the circumferential toothed belt 6, in such a way that it strikes the roving 5 at the requisite velocity and with the requisite force, resulting in the breaking of the roving 5 between the bobbins 30 and 31 and the deflection of the free end of the roving 5 running from the guide device towards the circumferential toothed strip 6 on the empty bobbin 31 near the roving guide device 5, in such a way that the roving 5 is pressed on to this circumferential toothed strip 6, which then retains the roving 5 because of its capacity to hold the roving 5.
  • the construction of the impulse means 7 can be of any suitable kind, including oscillating, projecting, reciprocating, linear or rotary means.
  • the impulse means 7 can be straight, bent or cranked, and can be provided with a guiding means 70 at its working end, as shown in Fig. 3d .
  • Figs. 3a to 3d show a pneumatic drive of the impulse means 7, but the drive of the impulse means 7 can equally well be of a mechanical, magnetic, hybrid, or similar type. The essential requirement is for the drive, in combination with the specific design of the impulse means 7, to impart a sufficient velocity or acceleration to the impulse means 7 at the moment when the impulse means 7 strikes the roving 5.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (9)

  1. Vorgarnspuler, insbesondere Revolverspuler, der mindestens ein Paar sich drehender Spulen (3) umfasst, wobei jede mit einem umlaufenden gezahnten Streifen (6) zum Halten des Vorgarns (5) versehen ist, wobei die Spulen (3) auf einer Drehplattform (1) installiert sind, die drehbar in einem Gestell der Apparatur installiert ist, wobei der Spuler ausserdem eine Vorgarnführungsvorrichtung (4) umfasst, die längs in Bezug auf die Drehachse der Spule (3) angeordnet ist und ausserhalb der Drehplattform und angrenzend an eine Spule (3) positioniert ist, während die anderen Spulen (3) durch die Drehung der Drehplattform (1) zu der Vorgarnführungsvorrichtung (4) hin gebracht werden, wenn jede vollständig bewickelte Spule (30) durch eine leere Spule (31) ausgetauscht wird, wobei die Apparatur mit einem beweglich installierten Impulsmittel (7) versehen ist, dessen Bewegungsrichtung sich mit der Bewegungsrichtung des Vorgarns (5) zwischen der vollständig bewickelten Spule (30) und der leeren Spule (31) nahe der Vorgarnführungsvorrichtung (4) im Bereich des umlaufenden gezahnten Streifens (6) auf der leeren Spule (31) schneidet, wobei das Impulsmittel (7) mit einem Antriebsmittel versehen ist, dadurch gekennzeichnet, dass das Impulsmittel (7) mit einer derartigen Geschwindigkeit bewegt werden kann, dass seine Auswirkung auf das Vorgarn (5) das Vorgarn (5) zerreisst und das freie Ende des Vorgarns (5) auf den umlaufenden gezahnten Streifen (6) auf der leeren Spule (31) nahe der Vorgarnführungsvorrichtung (4) ablenkt.
  2. Spuler nach Anspruch 1, dadurch gekennzeichnet, dass das Impulsmittel (7) in der Form eines Hakens, einer Platte, einer gebogenen Platte, einer Stange oder einer Stange mit einem Führungsende hergestellt ist.
  3. Spuler nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Impulsmittel (7) aus Metall, Kunststoff oder einem Verbundwerkstoff hergestellt ist.
  4. Spuler nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Teil des Impulsmittels (7), der dazu entworfen ist, mit dem Vorgarn (5) in Kontakt zu kommen, mit einer Kante versehen ist.
  5. Spuler nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Impulsmittel (7) auf eine sich hin- und herbewegend vorstehende oder sich hinund herbewegend schwingende oder sich hin- und herbewegend lineare oder drehende Weise bewegt werden kann.
  6. Spuler nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Impulsmittel (7) in seiner Bewegung nahe an dem umlaufenden gezahnten Streifen (6) auf der leeren Spule (31) nahe der Vorgarnführungsvorrichtung (4) vorbeiläuft oder diesen berührt.
  7. Verfahren zur Spulung von Vorgarn (5) auf Spulen (3), insbesondere auf einem Revolverspuler, wobei der Vorgarn (5) mithilfe einer Vorgarnführungsvorrichtung (4) auf eine sich drehende Spule (3) gewickelt wird, die vollständig bewickelte Spule (30) von der Vorgarnführungsvorrichtung (4) nach dem Bewickeln der vollen Spule (30) weg bewegt wird und die leere sich drehende Spule (31) mit einem gezahnten Streifen (6) zum Halten des Vorgarns (5) zu der Vorgarnführungsvorrichtung (4) hin gebracht wird, während das Vorgarn (5) weiter auf die vollständig bewickelte Spule (30) gewickelt wird, dadurch gekennzeichnet, dass, nachdem das Vorgarn (5) zu dem gezahnten Streifen (6) zum Halten des Vorgarns (5) auf der leeren Spule (30) nahe der Führungsvorrichtung (4) hin gebracht wurde, das Vorgarn (5) auf kontrollierte Weise in dem Bereich zwischen der vollständig bewickelten Spule (30) und der leeren Spule (30) zerrissen wird und das freie Ende des Vorgarns (5) auf der leeren Spule (31) gleichzeitig auf den gezahnten Streifen (6) zum Halten des Vorgarns (5) auf der leeren Spule (31) gelenkt wird, wo das Vorgarn (5) von dem gezahnten Streifen (6) erfasst wird und damit begonnen wird, ihn ohne jegliche Unterbrechung der Produktion oder der Wicklung des Vorgarns (5) auf die leere Spule (31) zu wickeln.
  8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass die Rate der Wicklung des Vorgarns (5) vor dem kontrollierten Zerreissen des Vorgarns (5) vorübergehend gesenkt wird und wieder erhöht wird, wenn das Vorgarn (5) von dem gezahnten Streifen (6) auf der leeren Spule (31) erfasst wurde, wodurch die Zuverlässigkeit des Zerreissens des Vorgarns (5) und des Erfassens des Vorgarns (5) auf dem gezahnten Streifen (6) auf der leeren Spule (31) erhöht wird.
  9. Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass die Rate über das normale Produktionsniveau erhöht wird, nachdem das Vorgarn (5) von dem gezahnten Streifen (6) auf der leeren Spule (31) erfasst wurde, wodurch die Überschussreserve des produzierten Vorgarns (5) aufgenommen wird, wenn die Wicklungsrate gesenkt wird.
EP12731289.0A 2011-07-15 2012-06-25 Garnwickler und verfahren zum wickeln von garn auf spulen Active EP2731900B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ2011428 2011-07-15
PCT/CH2012/000139 WO2013010279A1 (en) 2011-07-15 2012-06-25 Roving winder and method of winding rovings on to bobbins

Publications (2)

Publication Number Publication Date
EP2731900A1 EP2731900A1 (de) 2014-05-21
EP2731900B1 true EP2731900B1 (de) 2017-02-01

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EP12731289.0A Active EP2731900B1 (de) 2011-07-15 2012-06-25 Garnwickler und verfahren zum wickeln von garn auf spulen

Country Status (5)

Country Link
EP (1) EP2731900B1 (de)
JP (1) JP6109166B2 (de)
CN (1) CN103648942B (de)
IN (1) IN2014CN00976A (de)
WO (1) WO2013010279A1 (de)

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Publication number Priority date Publication date Assignee Title
CH709606A1 (de) * 2014-05-08 2015-11-13 Rieter Ag Maschf Verfahren zum Betrieb einer Textilmaschine, die der Herstellung von Vorgarn dient, sowie Textilmaschine.
CH709605A1 (de) 2014-05-08 2015-11-13 Rieter Ag Maschf Textilmaschine zur Herstellung von Vorgarn sowie Verfahren zum Betrieb einer entsprechenden Textilmaschine.
CN114014092B (zh) * 2021-11-08 2023-04-07 巨石集团有限公司 一种玻璃纤维络纱机

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JP2001354361A (ja) * 2000-06-15 2001-12-25 Toray Ind Inc 糸条巻取方法および糸巻パッケージ

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Publication number Publication date
WO2013010279A1 (en) 2013-01-24
JP2014522794A (ja) 2014-09-08
JP6109166B2 (ja) 2017-04-05
EP2731900A1 (de) 2014-05-21
IN2014CN00976A (de) 2015-08-21
CN103648942B (zh) 2019-03-12
CN103648942A (zh) 2014-03-19

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