EP2475605B1 - Method and hold-down device for smoothing and fixing a flexible material web placed in a material loop - Google Patents

Method and hold-down device for smoothing and fixing a flexible material web placed in a material loop Download PDF

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Publication number
EP2475605B1
EP2475605B1 EP10752552.9A EP10752552A EP2475605B1 EP 2475605 B1 EP2475605 B1 EP 2475605B1 EP 10752552 A EP10752552 A EP 10752552A EP 2475605 B1 EP2475605 B1 EP 2475605B1
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EP
European Patent Office
Prior art keywords
holding plate
drive
holding
down device
crank
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.)
Not-in-force
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EP10752552.9A
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German (de)
French (fr)
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EP2475605A1 (en
Inventor
Torsten Goele
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Oerlikon Textile GmbH and Co KG
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Oerlikon Textile GmbH and Co KG
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Publication of EP2475605A1 publication Critical patent/EP2475605A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/02—Folding limp material without application of pressure to define or form crease lines
    • B65H45/06—Folding webs
    • B65H45/10—Folding webs transversely
    • B65H45/101—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile

Definitions

  • the invention relates to a method for smoothing and fixing a flexible material web deposited in a material loop according to the preamble of claim 1 and to a hold-down device for carrying out the method according to the preamble of claim 6.
  • a generic method and a generic hold-down device are for example from the WO 2006/108377 known.
  • a flexible material web is deposited to a material stack.
  • the material web is guided back and forth by depositing means between two opposite ends of a deposition site, so that a flexible material loop is formed at the ends of the deposition site.
  • such material loops are smoothed and fixed by a hold-down device.
  • a holding plate is provided for this purpose at each end of the storage location, which is driven by an oscillating oscillating linear drive.
  • the material loop In order to produce end positions that are as uniform as possible, in the known method and the known device the material loop must be generated as uniformly as possible when the material web is deposited. By depressing the retaining plate, only the position of the material loop is fixed to the top of the material stack.
  • a method and a device in which the material loops at the end of a deposit location are smoothed by a rotating shaft segment.
  • the shaft segment rotates about a central axis, so that the mantle surface of the shaft segment along the material web or the material loop slides and smoothes it.
  • hold-down elements basically have the disadvantage that only small forces for fixing and squeezing the material loops are possible.
  • a height adjustment of the shaft segment is provided, however, leads to excessive depth of impression due to the rotational movement to a displacement of the upper loop.
  • This object is achieved according to the invention for a method in that the oscillating movement of the holding plate is produced by a crank drive, which guides the holding plate on a circulating trajectory with a movement component in a depositing direction of the material web.
  • the holding-down device has for carrying out the method a crank drive as a drive device which is connected to the holding plate such that the holding plate can be guided on a revolving trajectory with a movement component in a depositing direction of the material web.
  • the holding plate can produce a large-scale hold-down pressure for fixing the material loop
  • the sliding movement of the holding plate in the storage direction leads to an improved smoothing function, which leads the material loop in each case in a uniform fold without additional wrinkling. Even thin-walled material layers can be safely deposited, smoothed out and fixed in a loop of material without wrinkling.
  • the method variant is preferably carried out, in which the holding plate is guided by two spaced apart on the holding plate crank drives, which are driven synchronously by an electric motor.
  • the drive device of the hold-down device has a second crank drive, which is connected to the holding plate at a distance from the other crank drive. This unwanted slanted positions of the holding plate when smoothing and fixing the material loop can be avoided.
  • the use of two crank mechanisms for guiding the holding plate additional degrees of freedom to guide the holding plate when smoothing and fixing the material loop.
  • the two crank drives can be driven preferably with the same phase positions relative to the holding plate.
  • the holding plate can be driven over the entire trajectory in a parallel guide.
  • the method variant is preferably used, in which the crank drive or the crank drives control a movement cycle of the holding plate as a function of a material feeding speed. This ensures that the holding plate is guided for depositing the material web and in the formation of the material loop in an upper position of the crank drive or the crank drives.
  • the holding-down device is executed in particular in the development in which an electric motor is provided, to drive the crank drives, wherein the electric motor is associated with a control unit.
  • the crank drive has at least one drivable Antreibscale, which holds a cantilevered carrier of the retaining plate eccentric, wherein the carrier is rotatably connected to the drive pulley.
  • the holding plate can lead to a track as loose as possible.
  • a guide disc opposite the drive disc is preferably arranged on a second longitudinal side of the holding plate, on which a projecting end of the carrier is rotatably held with the same eccentricity.
  • a second drivable drive disk is arranged at a distance from the first drive disk on the same side of the holding plate, which carries a second carrier of the holding plate with the same eccentricity and wherein preferably the second drive disk is opposed to a second guide disk.
  • the drive pulleys on a drive pin which can be advantageously connected via a toothed belt with the electric motor.
  • the development of the hold-down device according to the invention is used, in which the drive device is held vertically adjustable on a holder relative to a storage locations. This can be adjusted by simple height adjustment of the pressure exerted by the holding plate on a stack of material hold-down. The movement of the crank mechanisms remains unaffected.
  • a first embodiment of the hold-down device according to the invention for carrying out the method according to the invention for smoothing and fixing a stored in a material loop flexible material web is shown schematically in a side view.
  • the hold-down device is arranged at one end of a storage location 4.
  • a material web 3 is deposited in a plurality of layers to form a material stack 6.
  • the funds used for guiding and storage of the material web 3 are not shown here.
  • the material web 3 is moved back and forth above the deposition site 4 between two opposite ends, so that a material loop 5 forms at each of the ends.
  • the hold-down device according to the invention is used for smoothing and fixing the material loop 5 on the surface of the material stack 6, the hold-down device according to the invention is used. Therefore, each end of the storage location 4 is usually associated with such a hold-down device.
  • Fig. 1 the embodiment of the hold-down device assigned to a right end of the storage location 4.
  • the hold-down device has a holding plate 1, which is moved in an oscillating manner by means of a drive device 2.
  • the drive device 2 is for this purpose designed as a crank drive 7, which has a driven crank 8, which is held stationary by a frame pivot bearing 9.
  • a cantilevered support 11 is held in a retaining bearing 10, which carries the retaining plate 1 on its underside.
  • the crank 8 is driven counterclockwise, so that the holding plate 1 is guided on a defined by the crank 8 closed trajectory 12.
  • the rotating drive of the holding plate 1 causes the holding plate 1 is slidably guided over the material stack 6 with a guided in the depositing direction of the material web 3 movement component.
  • the storage direction of the material web 3 is indicated by an arrow and points to the right edge of the material stack 6.
  • the material loop 5 is compressed uniformly and gently to a Pfalz.
  • the ends of the holder plate 1 are provided with a bevel or a rounding.
  • the hold-down pressure generated by the holding plate 1 on the surface of the material stack 6 is effected in this embodiment by a height adjustment of the storage location 4, not shown here. In principle, however, it is also possible to design the drive device 2 of the holding plate 1 in a height-adjustable manner.
  • cranks 8.1 and 8.2 are arranged on a holder 13, which holder 13 is held vertically adjustable on a frame 14.
  • the free ends of the cranks 8.1 and 8.2 are each a cantilevered carrier 11.1 and 11.2 held on Hältecardlager 10.1 and 10.2.
  • the carriers 11.1 and 11.2 are connected to the holding plate 1, so that the holding plate 1 is guided in parallel over the crank drives 7.1 and 7.2 in a closed trajectory 12.
  • the cranks 8.1 and 8.2 are in the in Fig. 2 Operating situation shown in the same phase and the same rotational speed driven.
  • the storage location 4 a directed transversely to the depositing direction of the web 3 reciprocating motion performs to form the material stack 6.
  • the material web 3 is usually supplied from strips, which is deposited zig-zag on the surface of the material stack 6.
  • Fig. 3 and 4 is a further embodiment of a hold-down device according to the invention for carrying out the method according to the invention for smoothing and fixing a flexible material loop shown.
  • Fig. 3 shows the embodiment in a side view and Fig. 4 schematically in a cross-sectional view but without a deposit. Unless an explicit reference is made to one of the figures, the following description applies to both figures.
  • crank mechanisms 7.1 and 7.2 are formed by a respective drive pulley 15.1 and 15.2 and a guide disc 16.1 and 16.2.
  • the drive wheels 15.1 and 15.2 are rotatably supported at a longitudinal side of the holding plate 1 at a distance next to each other.
  • An opposite longitudinal side of the Holding plate 1 the two guide discs 16.1 and 16.2 are arranged exactly opposite to the drive pulleys 15.1 and 15.2.
  • the drive pulleys 15.1 and 15.2 and the guide discs 16.1 and 16.2 each have a journal 17 in the center, which is rotatably held in a frame 14.
  • an axis 23.1 is held eccentrically.
  • the eccentricity of the drive pulley 15.1 is identical to the eccentricity of the guide pulley 16.1.
  • the holding plate 1 is rotatably connected by two eyes 24.1 and 24.2 with the axis 23.1.
  • the holding plate 2 is held in accordance with an axis 23.2, which is arranged between the drive pulley 15.2 and the guide disc 16.2.
  • an electric motor 19 is provided, which is coupled to a control unit 20.
  • the electric motor 19 has at its drive end a pulley 22.3 on which a toothed belt 21 is guided.
  • the toothed belt 21 is guided circumferentially over the pulley 22.1, 22.2 and 22.3, so that the drive pulleys 15.1 and 15.2 are driven synchronously.
  • the holding plate 1 is guided in rotation on a continuous closed trajectory, wherein the underside of the holding plate 1 is guided in an oscillating manner on a material stack, not shown here.
  • This in Fig. 3 and 4 illustrated embodiment is thus suitable to be able to make a smoothing and fixing the material loop with a uniform pressure distribution over a greater width.
  • the hold-down pressure can be adjusted by adjusting the height of the drive device 2 and / or by adjusting the height of a storage point 4, not shown here.
  • This in Fig. 3 and 4 illustrated embodiment is particularly suitable for controlling the movement of the holding plate 1 as a function of a material feed rate of the material web.
  • the control unit 20 which is for example connected to a control device of the storage location, the holding plate 1 move such that the supply of the material web to one end of the storage location is then just when the holding plate has its greatest distance to the material stack.
  • a filing and looping of the material web is possible. Only after the material loop is completely placed at the end of the storage location, the holding plate 1 is pressed in its lower position on the surface of the material stack.
  • the drive of the holding plate takes place here preferably continuously.

Description

Die Erfindung betrifft ein Verfahren zum Glätten und Fixieren einer in einer Materialschlaufe abgelegten flexiblen Materialbahn gemäß dem Oberbegriff des Anspruchs 1 sowie eine Niederhaltevorrichtung zur Durchführung des Verfahrens gemäß dem Oberbegriff des Anspruchs 6.The invention relates to a method for smoothing and fixing a flexible material web deposited in a material loop according to the preamble of claim 1 and to a hold-down device for carrying out the method according to the preamble of claim 6.

Ein gattungsgemäßes Verfahren sowie eine gattungsgemäße Niederhaltevorrichtung sind beispielsweise aus der WO 2006/108377 bekannt.A generic method and a generic hold-down device are for example from the WO 2006/108377 known.

Bei dem bekannten Verfahren und der bekannten Vorrichtung wird eine flexible Materialbahn zu einem Materialstapel abgelegt. Hierzu wird die Materialbahn durch Ablegemittel zwischen zwei gegenüberliegenden Enden einer Ablagestelle hin- und hergeführt, so dass sich jeweils an den Enden der Ablagestelle eine flexible Materialschlaufe ausbildet. Um möglichst eine kompakte Anordnung der Lagen innerhalb des Materialstapels zu erhalten, werden derartige Materialschlaufen durch eine Niederhaltevorrichtung geglättet und fixiert. Bei dem bekannten Verfahren und bei der bekannten Vorrichtung ist hierzu an jedem Ende der Ablagestelle eine Halteplatte vorgesehen, die durch einen Linearantrieb oszillierend angetrieben wird. So lässt sich die Materialschlaufe durch eine lineare Bewegung der Halteplatte in Richtung des Materialstapels niederdrücken und glätten. Um möglichst gleichmäßige Endlagen zu erzeugen, muss bei dem bekannten Verfahren und der bekannten Vorrichtung die Materialschlaufe beim Ablegen der Materialbahn möglichst gleichmäßig erzeugt werden. Durch das Niederdrücken der Halteplatte wird lediglich die Lage der Materialschlaufe an der Oberseite des Materialstapels fixiert.In the known method and the known device, a flexible material web is deposited to a material stack. For this purpose, the material web is guided back and forth by depositing means between two opposite ends of a deposition site, so that a flexible material loop is formed at the ends of the deposition site. In order to obtain a compact arrangement of the layers within the material stack as possible, such material loops are smoothed and fixed by a hold-down device. In the known method and in the known device, a holding plate is provided for this purpose at each end of the storage location, which is driven by an oscillating oscillating linear drive. Thus, the material loop by a linear movement of the holding plate in the direction of the material stack depress and smooth. In order to produce end positions that are as uniform as possible, in the known method and the known device the material loop must be generated as uniformly as possible when the material web is deposited. By depressing the retaining plate, only the position of the material loop is fixed to the top of the material stack.

Aus der WO 93/01031 ist ein Verfahren und eine Vorrichtung bekannt, bei welcher die Materialschlaufen am Ende einer Ablagestelle durch ein rotierendes Wellensegment geglättet wird. Hierzu rotiert das Wellensegment um eine mittlere Achse, so dass die Manteloberfläche des Wellensegmentes entlang der Materialbahn bzw. der Materialschlaufe gleitet und diese dabei glättet. Derartige Niederhaltelemente besitzen jedoch grundsätzlich den Nachteil, dass nur geringe Kräfte zum Fixieren und Zusammendrücken der Materialschlaufen möglich sind. Zwar ist eine Höhenverstellung des Wellensegmentes vorgesehen, die jedoch bei zu starker Eindrucktiefe aufgrund der Rotationsbewegung zu einem Verschieben der oberen Schlaufe führt.From the WO 93/01031 For example, a method and a device is known in which the material loops at the end of a deposit location are smoothed by a rotating shaft segment. For this purpose, the shaft segment rotates about a central axis, so that the mantle surface of the shaft segment along the material web or the material loop slides and smoothes it. However, such hold-down elements basically have the disadvantage that only small forces for fixing and squeezing the material loops are possible. Although a height adjustment of the shaft segment is provided, however, leads to excessive depth of impression due to the rotational movement to a displacement of the upper loop.

Es ist nun Aufgabe der Erfindung das gattungsgemäße Verfahren und die gattungsgemäße Niederhaltevorrichtung derart zu verbessern, dass die Materialschlaufen zur Bildung eines Materialstapels möglichst gleichmäßig geglättet und großflächig mit relativ hohem Niederhaltedruck fixiert werden können.It is an object of the invention to improve the generic method and the generic hold-down device such that the material loops can be smoothed as evenly as possible to form a stack of material and can be fixed over a large area with a relatively high hold-down pressure.

Diese Aufgabe wird erfindungsgemäß für ein Verfahren dadurch gelöst, dass die oszillierende Bewegung der Halteplatte durch einen Kurbelantrieb erzeugt wird, welcher die Halteplatte auf einer umlaufenden Bahnkurve mit einer Bewegungskomponente in eine Ablagerichtung der Materialbahn führt.This object is achieved according to the invention for a method in that the oscillating movement of the holding plate is produced by a crank drive, which guides the holding plate on a circulating trajectory with a movement component in a depositing direction of the material web.

Die erfindungsgemäße Niederhaltevorrichtung weist zur Durchführung des Verfahrens eine Kurbelantrieb als Antriebseinrichtung auf, der mit der Halteplatte derart verbunden ist, dass die Halteplatte auf einer umlaufenden Bahnkurve mit einer Bewegungskomponente in einer Ablagerichtung der Materialbahn führbar ist.The holding-down device according to the invention has for carrying out the method a crank drive as a drive device which is connected to the holding plate such that the holding plate can be guided on a revolving trajectory with a movement component in a depositing direction of the material web.

Neben dem Vorteil, dass die Halteplatte einen großflächigen Niederhaltedruck zum Fixieren der Materialschlaufe erzeugen kann, führt die gleitende Bewegung der Halteplatte in Ablagerichtung zur einer verbesserten Glättfunktion, die die Materialschlaufe jeweils in eine gleichmäßige Falz ohne zusätzliche Faltenbildung führt. Selbst dünnwandige Materiallagen lassen sich damit sicher ohne Faltenbildung in einer Materialschlaufe ablegen, glätten und fixieren.In addition to the advantage that the holding plate can produce a large-scale hold-down pressure for fixing the material loop, the sliding movement of the holding plate in the storage direction leads to an improved smoothing function, which leads the material loop in each case in a uniform fold without additional wrinkling. Even thin-walled material layers can be safely deposited, smoothed out and fixed in a loop of material without wrinkling.

Um eine möglichst parallele Führung der Halteplatte ausführen zu können, wird die Verfahrensvariante bevorzugt ausgeführt, bei welcher die Halteplatte durch zwei mit Abstand an der Halteplatte angreifende Kurbelantriebe geführt wird, die synchron durch einen Elektromotor angetrieben werden. Hierzu weist die Antriebseinrichtung der Niederhaltevorrichtung einen zweiten Kurbelantrieb auf, der mit Abstand zu dem anderen Kurbelantrieb mit der Halteplatte verbunden ist. Damit können ungewünschte Schiefstellungen der Halteplatte beim Glätten und fixieren der Materialschlaufe vermieden werden.In order to perform as parallel as possible guidance of the holding plate, the method variant is preferably carried out, in which the holding plate is guided by two spaced apart on the holding plate crank drives, which are driven synchronously by an electric motor. For this purpose, the drive device of the hold-down device has a second crank drive, which is connected to the holding plate at a distance from the other crank drive. This unwanted slanted positions of the holding plate when smoothing and fixing the material loop can be avoided.

Zudem ergeben sich durch Verwendung zweier Kurbelantriebe zur Führung der Halteplatte zusätzliche Freiheitsgrade, um die Halteplatte beim Glätten und Fixieren der Materialschlaufe zu führen. So lassen sich die beiden Kurbelantriebe vorzugsweise mit gleichen Phasenlagen relativ zu der Halteplatte antreiben. Somit lässt sich die Halteplatte über die gesamte Bahnkurve in einer parallel Führung antreiben.In addition, the use of two crank mechanisms for guiding the holding plate additional degrees of freedom to guide the holding plate when smoothing and fixing the material loop. Thus, the two crank drives can be driven preferably with the same phase positions relative to the holding plate. Thus, the holding plate can be driven over the entire trajectory in a parallel guide.

Alternativ besteht jedoch auch die Möglichkeit, die beiden Kurbelantriebe mit einer Phasendifferenz der Phasenlage relativ zu der Halteplatte anzutreiben, so dass gewünschte Schiefstellungen beispielsweise zum Einleiten des Glättvorganges an der Halteplatte und der Bewegung der Halteplatte möglich sind.Alternatively, however, it is also possible to drive the two crank mechanisms with a phase difference of the phase position relative to the holding plate, so that desired misalignment, for example, to initiate the smoothing process on the holding plate and the movement of the holding plate are possible.

Damit die Bewegung der Halteplatte in Abhängigkeit von einem Ablegevorgang der Materialbahn ausführbar ist, wird die Verfahrensvariante bevorzugt eingesetzt, bei welcher der Kurbelantrieb oder die Kurbelantriebe in Abhängigkeit von einer Materialzuführgeschwindigkeit einen Bewegungszyklus der Halteplatte steuern. Somit wird sichergestellt, dass die Halteplatte zur Ablegung der Materialbahn und bei Entstehung der Materialschlaufe in einer oberen Position des Kurbelantriebes oder der Kurbelantriebe geführt ist.In order for the movement of the holding plate to be executable as a function of a depositing operation of the material web, the method variant is preferably used, in which the crank drive or the crank drives control a movement cycle of the holding plate as a function of a material feeding speed. This ensures that the holding plate is guided for depositing the material web and in the formation of the material loop in an upper position of the crank drive or the crank drives.

Die erfindungsgemäße Niederhaltevorrichtung wird insbesondere in der Weiterbildung ausgeführt, bei welcher ein Elektromotor vorgesehen ist, um die Kurbelantriebe anzutreiben, wobei dem Elektromotor ein Steuergerät zugeordnet ist.The holding-down device according to the invention is executed in particular in the development in which an electric motor is provided, to drive the crank drives, wherein the electric motor is associated with a control unit.

Zur Erzeugung einer gleichmäßigen rotierenden Bewegung der Halteplatte hat sich die Weiterbildung der erfindungsgemäßen Niederhaltevorrichtung bewährt, bei welcher der Kurbelantrieb zumindest eine antreibbare Antreibscheibe aufweist, welche einen auskragenden Träger der Halteplatte exzentrisch hält, wobei der Träger drehbar mit der Antriebsscheibe verbunden ist. Somit lässt sich die Halteplatte auf eine möglichst lose Bahnkurve führen.For generating a uniform rotating movement of the retaining plate, the development of the hold-down device according to the invention has proven, in which the crank drive has at least one drivable Antreibscheibe, which holds a cantilevered carrier of the retaining plate eccentric, wherein the carrier is rotatably connected to the drive pulley. Thus, the holding plate can lead to a track as loose as possible.

Dabei wird bevorzugt an einer zweiten Längsseite der Halteplatte eine der Antriebsscheibe gegenüberliegende Führungsscheibe angeordnet, an welcher ein auskragendes Ende des Trägers mit gleicher Exzentrizität drehbar gehalten ist. Somit können auch breitere Halteplatten zum Fixieren entsprechend breiter Materialstreifen sicher führen.In this case, a guide disc opposite the drive disc is preferably arranged on a second longitudinal side of the holding plate, on which a projecting end of the carrier is rotatably held with the same eccentricity. Thus, wider holding plates for fixing correspondingly wide strips of material can safely lead.

Bevorzugt wird dabei an der gleichen Seite der Halteplatte eine zweite antreibbare Antriebsscheibe mit Abstand zu der ersten Antriebsscheibe angeordnet, welche einen zweiten Träger der Halteplatte mit gleicher Exzentrizität trägt und wobei bevorzugt der zweiten Antriebsscheibe eine zweite Führungsscheibe gegenüberliegt.Preferably, a second drivable drive disk is arranged at a distance from the first drive disk on the same side of the holding plate, which carries a second carrier of the holding plate with the same eccentricity and wherein preferably the second drive disk is opposed to a second guide disk.

Zum direkten Antrieb weisen die Antriebsscheiben einen Antriebszapfen auf, welcher sich vorteilhaft über einen Zahnriemen mit dem Elektromotor verbinden lässt.For direct drive, the drive pulleys on a drive pin, which can be advantageously connected via a toothed belt with the electric motor.

Um insbesondere den Niederhaltedruck einstellen zu können, wird die Weiterbildung der erfindungsgemäßen Niederhaltevorrichtung eingesetzt, bei welcher die Antriebseinrichtung an einem Halter relativ zu einer Ablagestellen höhenverstellbar gehalten ist. Damit lässt sich durch einfache Höhenregulierung der durch die Halteplatte auf einen Materialstapel ausgeübte Niederhaltedruck einstellen. Der Bewegungsablauf der Kurbelantriebe bleibt hiervon unbeeinflusst.In order to be able to adjust in particular the hold-down pressure, the development of the hold-down device according to the invention is used, in which the drive device is held vertically adjustable on a holder relative to a storage locations. This can be adjusted by simple height adjustment of the pressure exerted by the holding plate on a stack of material hold-down. The movement of the crank mechanisms remains unaffected.

Das erfindungsgemäße Verfahren wird nachfolgend anhand einiger Ausführungsbeispiele der erfindungsgemäßen Niederhaltevorrichtung unter Bezug auf die beigefügten Figuren näher erläutert.The method according to the invention will be explained in more detail below with reference to some embodiments of the hold-down device according to the invention with reference to the attached figures.

Es stellen dar:

Fig. 1
schematisch eine Seitenansicht eines ersten Ausführungsbeispiels der erfindungsgemäßen Niederhaltevorrichtung zur Durchführung des erfindungsgemäßen Verfahrens
Fig. 2
schematisch eine Seitenansicht eines weiteren Ausführungsbeispiels der erfindungsgemäßen Niederhaltevorrichtung
Fig. 3
schematisch eine Seitenansicht eines weiteres Ausführungsbeispiels der erfindungsgemäßen Niederhaltevorrichtung
Fig. 4
schematisch eine Querschnittsansicht des Ausführungsbeispiels aus Fig. 3
They show:
Fig. 1
schematically a side view of a first embodiment of the hold-down device according to the invention for carrying out the method according to the invention
Fig. 2
schematically a side view of another embodiment of the hold-down device according to the invention
Fig. 3
schematically a side view of another embodiment of the hold-down device according to the invention
Fig. 4
schematically a cross-sectional view of the embodiment of Fig. 3

In der Fig. 1 ist ein erstes Ausführungsbeispiel der erfindungsgemäßen Niederhaltevorrichtung zur Durchführung des erfindungsgemäßen Verfahrens zum Glätten und Fixieren einer in einer Materialschlaufe abgelegten flexiblen Materialbahn schematisch in einer Seitenansicht dargestellt. Die Niederhaltevorrichtung ist an einem Ende einer Ablagestelle 4 angeordnet. In der Ablagestelle 4 wird eine Materialbahn 3 in mehreren Lagen zu einem Materialstapel 6 abgelegt. Die zur Führung und Ablage der Materialbahn 3 verwendeten Mittel sind hier nicht dargestellt. Die Materialbahn 3 wird hierzu oberhalb der Ablagestelle 4 zwischen zwei sich gegenüberliegenden Enden hin- und hergeführt, so dass sich an jedem der Enden eine Materialschlaufe 5 ausbildet. Zum Glätten und Fixieren der Materialschlaufe 5 an der Oberfläche des Materialstapels 6 wird die erfindungsgemäße Niederhaltevorrichtung eingesetzt. Daher ist jedem Ende der Ablagestelle 4 üblicherweise eine derartige Niederhaltevorrichtung zugeordnet.In the Fig. 1 a first embodiment of the hold-down device according to the invention for carrying out the method according to the invention for smoothing and fixing a stored in a material loop flexible material web is shown schematically in a side view. The hold-down device is arranged at one end of a storage location 4. In the storage location 4, a material web 3 is deposited in a plurality of layers to form a material stack 6. The funds used for guiding and storage of the material web 3 are not shown here. For this purpose, the material web 3 is moved back and forth above the deposition site 4 between two opposite ends, so that a material loop 5 forms at each of the ends. For smoothing and fixing the material loop 5 on the surface of the material stack 6, the hold-down device according to the invention is used. Therefore, each end of the storage location 4 is usually associated with such a hold-down device.

In Fig. 1 das Ausführungsbeispiel der Niederhaltevorrichtung einem rechten Ende der Ablagestelle 4 zugeordnet. Die Niederhaltevorrichtung weist eine Halteplatte 1 auf, die mittels einer Antriebseinrichtung 2 oszillierend bewegt wird. Die Antriebseinrichtung 2 ist hierzu als ein Kurbelantrieb 7 ausgebildet, welcher eine angetriebene Kurbel 8 aufweist, die über ein Gestelldrehlager 9 ortsfest gehalten ist. Am freien Ende der Kurbel 8 ist ein auskragender Träger 11 in einem Haltedrehlager 10 gehalten, welcher an seiner Unterseite die Halteplatte 1 trägt.In Fig. 1 the embodiment of the hold-down device assigned to a right end of the storage location 4. The hold-down device has a holding plate 1, which is moved in an oscillating manner by means of a drive device 2. The drive device 2 is for this purpose designed as a crank drive 7, which has a driven crank 8, which is held stationary by a frame pivot bearing 9. At the free end of the crank 8, a cantilevered support 11 is held in a retaining bearing 10, which carries the retaining plate 1 on its underside.

Zum Glätten und Fixieren der Materialschlaufe 5 wird die Kurbel 8 entgegen dem Uhrzeigersinn angetrieben, so dass die Halteplatte 1 auf einer durch die Kurbel 8 definierten geschlossenen Bahnkurve 12 geführt wird. Der rotierende Antrieb der Halteplatte 1 bewirkt, dass die Halteplatte 1 mit einer in Ablagerichtung der Materialbahn 3 geführten Bewegungskomponente gleitend über den Materialstapel 6 geführt wird. Die Ablagerichtung der Materialbahn 3 ist durch einen Pfeil gekennzeichnet und zeigt zum rechten Rand des Materialstapels 6. Durch die gleitende Bewegung der Halteplatte 1 wird die Materialschlaufe 5 gleichmäßig und schonend zu einer Pfalz zusammengedrückt. Um einen möglichst schonenden Eingriff der Halteplatte 1 mit der Materialbahn 3 zu erhalten, sind die Enden der Halterplatte 1 mit einer Anschrägung oder einer Verrundung versehen.For smoothing and fixing the material loop 5, the crank 8 is driven counterclockwise, so that the holding plate 1 is guided on a defined by the crank 8 closed trajectory 12. The rotating drive of the holding plate 1 causes the holding plate 1 is slidably guided over the material stack 6 with a guided in the depositing direction of the material web 3 movement component. The storage direction of the material web 3 is indicated by an arrow and points to the right edge of the material stack 6. By the sliding movement of the support plate 1, the material loop 5 is compressed uniformly and gently to a Pfalz. In order to obtain as gentle as possible engagement of the holding plate 1 with the material web 3, the ends of the holder plate 1 are provided with a bevel or a rounding.

Der durch die Halteplatte 1 erzeugte Niederhaltedruck an der Oberfläche des Materialstapels 6 wird in diesem Ausführungsbeispiel durch eine hier nicht näher dargestellte Höhenverstellung der Ablagestelle 4 bewirkt. Grundsätzlich besteht jedoch auch die Möglichkeit, die Antriebseinrichtung 2 der Halteplatte 1 höhenverstellbar auszubilden.The hold-down pressure generated by the holding plate 1 on the surface of the material stack 6 is effected in this embodiment by a height adjustment of the storage location 4, not shown here. In principle, however, it is also possible to design the drive device 2 of the holding plate 1 in a height-adjustable manner.

So ist in Fig. 2 ein Ausführungsbeispiel gezeigt, bei welchem die Halterplatte 1 durch zwei in Abstand zueinander an die Halteplatte 1 angreifende Kurbelantriebe 7.1 und 7.2 angetrieben wird. Die Gestelldrehlager 9.1 und 9.2 der Kurbeln 8.1 und 8.2 sind an einem Halter 13 angeordnet, welcher Halter 13 höhenverstellbar an einem Gestell 14 gehalten ist. An den freien Enden der Kurbeln 8.1 und 8.2 ist jeweils ein auskragender Träger 11.1 und 11.2 über Hältedrehlager 10.1 und 10.2 gehalten. Die Träger 11.1 und 11.2 sind mit der Halteplatte 1 verbunden, so dass die Halteplatte 1 parallel über die Kurbelantriebe 7.1 und 7.2 in einer geschlossenen Bahnkurve 12 geführt wird. Die Kurbeln 8.1 und 8.2 werden in der in Fig. 2 dargestellten Betriebssituation in gleicher Phasenlage und gleicher Umlaufgeschwindigkeit angetrieben.So is in Fig. 2 an embodiment shown in which the holder plate 1 is driven by two at a distance from each other acting on the support plate 1 crank drives 7.1 and 7.2. The frame pivot bearings 9.1 and 9.2 of the cranks 8.1 and 8.2 are arranged on a holder 13, which holder 13 is held vertically adjustable on a frame 14. At The free ends of the cranks 8.1 and 8.2 are each a cantilevered carrier 11.1 and 11.2 held on Hältedrehlager 10.1 and 10.2. The carriers 11.1 and 11.2 are connected to the holding plate 1, so that the holding plate 1 is guided in parallel over the crank drives 7.1 and 7.2 in a closed trajectory 12. The cranks 8.1 and 8.2 are in the in Fig. 2 Operating situation shown in the same phase and the same rotational speed driven.

Grundsätzlich besteht jedoch auch die Möglichkeit, zwischen den Kurbeln 8.1 und 8.2 eine Phasendifferenz einzustellen, so dass an der Halteplatte 1 eine überlagerte Kippbewegung erzeugt wird. Ein mit Phasendifferenz und gleicher Umlaufgeschwindigkeit angetriebene Halterplatte 1 ermöglicht die Übertragung einer Förderwirkung auf die Materialbahn 3, so dass ein Ausstrecken der Materialschlaufe möglich ist.In principle, however, it is also possible to set a phase difference between the cranks 8.1 and 8.2, so that a superimposed tilting movement is generated on the holding plate 1. A driven with phase difference and the same rotational speed holder plate 1 allows the transmission of a conveying effect on the material web 3, so that a stretching of the material loop is possible.

Bei den Ausführungsbeispielen nach Fig. 1 und Fig. 2 sei noch erwähnt, dass die Ablagestelle 4 eine quer zur Ablagerichtung der Materialbahn 3 gerichtete Hin- und Herbewegung ausführt, um den Materialstapel 6 zu bilden. Die Materialbahn 3 wird üblicherweise aus Streifen zugeführt, der Zick-Zack-förmig an der Oberfläche des Materialstapels 6 abgelegt wird.In the embodiments according to Fig. 1 and Fig. 2 it should be mentioned that the storage location 4 a directed transversely to the depositing direction of the web 3 reciprocating motion performs to form the material stack 6. The material web 3 is usually supplied from strips, which is deposited zig-zag on the surface of the material stack 6.

In Fig. 3 und 4 ist ein weiteres Ausführungsbeispiel einer erfindungsgemäßen Niederhaltevorrichtung zur Durchführung des erfindungsgemäßen Verfahrens zum Glätten und Fixieren einer flexiblen Materialschlaufe gezeigt. Fig. 3 zeigt das Ausführungsbeispiel in einer Seitenansicht und Fig. 4 schematisch in einer Querschnittsansicht jedoch ohne Ablagestelle. Insoweit kein ausdrücklicher Bezug zu einer der Figuren gemacht ist, gilt die nachfolgende Beschreibung für beide Figuren.In Fig. 3 and 4 is a further embodiment of a hold-down device according to the invention for carrying out the method according to the invention for smoothing and fixing a flexible material loop shown. Fig. 3 shows the embodiment in a side view and Fig. 4 schematically in a cross-sectional view but without a deposit. Unless an explicit reference is made to one of the figures, the following description applies to both figures.

Bei dem in Fig. 3 und 4 dargestellten Ausführungsbeispiel sind die Kurbelantriebe 7.1 und 7.2 durch jeweils eine Antriebsscheibe 15.1 und 15.2 und eine Führungsscheibe 16.1 und 16.2 gebildet. Die Antriebsscheiben 15.1 und 15.2 sind an einer Längsseite der Halteplatte 1 in Abstand nebeneinander drehbar gehalten. Einer gegenüberliegenden Längsseite der Halteplatte 1 sind die beiden Führungsscheiben 16.1 und 16.2 genau gegenüberliegend zu den Antriebsscheiben 15.1 und 15.2 angeordnet. Die Antriebsscheiben 15.1 und 15.2 sowie die Führungsscheiben 16.1 und 16.2 weisen im Zentrum jeweils einen Lagerzapfen 17 auf, der drehbar in einem Gestell 14 gehalten ist. An einer zur Halteplatte 1 gegenüberliegenden Stirnseite der Antriebsscheiben 15.1 und 15.2 weisen diese jeweils einen Antriebszapfen 18 auf, an welchem eine Riemenscheibe 22.1 oder 22.2 gehalten ist.At the in Fig. 3 and 4 illustrated embodiment, the crank mechanisms 7.1 and 7.2 are formed by a respective drive pulley 15.1 and 15.2 and a guide disc 16.1 and 16.2. The drive wheels 15.1 and 15.2 are rotatably supported at a longitudinal side of the holding plate 1 at a distance next to each other. An opposite longitudinal side of the Holding plate 1, the two guide discs 16.1 and 16.2 are arranged exactly opposite to the drive pulleys 15.1 and 15.2. The drive pulleys 15.1 and 15.2 and the guide discs 16.1 and 16.2 each have a journal 17 in the center, which is rotatably held in a frame 14. On a side opposite to the holding plate 1 end face of the drive pulleys 15.1 and 15.2, these each have a drive pin 18 on which a pulley 22.1 or 22.2 is held.

Zwischen der Antriebsscheibe 15.1 und der Führungsscheibe 16.1 ist eine Achse 23.1 exzentrisch gehalten. Die Exzentrizität an der Antriebsscheibe 15.1 ist hierbei identisch zu der Exzentrizität an der Führungsscheibe 16.1. In einem Bereich zwischen der Antriebsscheibe 15.1 und der Führungsscheibe 16.1 ist die Halteplatte 1 durch zwei Ösen 24.1 und 24.2 mit der Achse 23.1 drehbar verbunden. Die Halteplatte 2 wird entsprechend an einer Achse 23.2 gehalten, die zwischen der Antriebsscheibe 15.2 und der Führungsscheibe 16.2 angeordnet ist.Between the drive pulley 15.1 and the guide pulley 16.1, an axis 23.1 is held eccentrically. The eccentricity of the drive pulley 15.1 is identical to the eccentricity of the guide pulley 16.1. In a region between the drive pulley 15.1 and the guide disk 16.1, the holding plate 1 is rotatably connected by two eyes 24.1 and 24.2 with the axis 23.1. The holding plate 2 is held in accordance with an axis 23.2, which is arranged between the drive pulley 15.2 and the guide disc 16.2.

Zum Antrieb der Kurbelantriebe 7.1 und 7.2 ist ein Elektromotor 19 vorgesehen, der mit einem Steuergerät 20 gekoppelt ist. Der Elektromotor 19 weist an seinem Antriebsende eine Riemenscheibe 22.3 auf, an welchem ein Zahnriemen 21 geführt ist. Der Zahnriemen 21 wird umlaufend über die Riemenscheibe 22.1, 22.2 und 22.3 geführt, so dass die Antriebsscheiben 15.1 und 15.2 synchron angetrieben werden. Die Halteplatte 1 wird rotierend auf einer umlaufenden geschlossenen Bahnkurve geführt, wobei die Unterseite der Halteplatte 1 oszillierend auf einen hier nicht dargestellten Materialstapel geführt wird.To drive the crank mechanisms 7.1 and 7.2, an electric motor 19 is provided, which is coupled to a control unit 20. The electric motor 19 has at its drive end a pulley 22.3 on which a toothed belt 21 is guided. The toothed belt 21 is guided circumferentially over the pulley 22.1, 22.2 and 22.3, so that the drive pulleys 15.1 and 15.2 are driven synchronously. The holding plate 1 is guided in rotation on a continuous closed trajectory, wherein the underside of the holding plate 1 is guided in an oscillating manner on a material stack, not shown here.

Das in Fig. 3 und 4 dargestellte Ausführungsbeispiel ist somit geeignet, um über eine größere Breite eine Glättung und Fixierung der Materialschlaufe mit gleichmäßiger Druckverteilung vornehmen zu können. Hierbei lässt sich der Niederhaltedruck durch Höhenverstellung der Antriebseinrichtung 2 und / oder durch Höhenverstellung einer hier nicht dargestellten Ablagestelle 4 einstellen. Das in Fig. 3 und 4 dargestellte Ausführungsbeispiel ist insbesondere geeignet, um in Abhängigkeit von einer Materialzuführgeschwindigkeit der Materialbahn die Bewegung der Halteplatte 1 zu steuern. So lässt sich über das Steuergerät 20, das beispielsweise mit einer Steuereinrichtung der Ablagestelle verbunden ist, die Halteplatte 1 derart bewegen, dass die Zuführung der Materialbahn zu einem Ende der Ablagestelle gerade dann erfolgt, wenn die Halteplatte ihren größten Abstand zum Materialstapel aufweist. Somit ist eine Ablage- und Schlaufenbildung der Materialbahn möglich. Erst nachdem die Materialschlaufe vollständig am Ende der Ablagestelle gelegt ist, wird die Halteplatte 1 in ihre untere Position auf die Oberfläche des Materialstapels gedrückt. Der Antrieb der Halteplatte erfolgt hierbei vorzugsweise kontinuierlich.This in Fig. 3 and 4 illustrated embodiment is thus suitable to be able to make a smoothing and fixing the material loop with a uniform pressure distribution over a greater width. In this case, the hold-down pressure can be adjusted by adjusting the height of the drive device 2 and / or by adjusting the height of a storage point 4, not shown here. This in Fig. 3 and 4 illustrated embodiment is particularly suitable for controlling the movement of the holding plate 1 as a function of a material feed rate of the material web. Thus, via the control unit 20, which is for example connected to a control device of the storage location, the holding plate 1 move such that the supply of the material web to one end of the storage location is then just when the holding plate has its greatest distance to the material stack. Thus, a filing and looping of the material web is possible. Only after the material loop is completely placed at the end of the storage location, the holding plate 1 is pressed in its lower position on the surface of the material stack. The drive of the holding plate takes place here preferably continuously.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
HalteplatteRetaining plate
22
Antriebseinrichtungdriving means
33
Materialbahnweb
44
Ablagestelledeposition site
55
Materialschlaufegear loop
66
Materialstapelmaterial stack
7, 7.1, 7.27, 7.1, 7.2
Kurbelantriebcrank drive
8, 8.1, 8.28, 8.1, 8.2
Kurbelcrank
9, 9.1, 9.29, 9.1, 9.2
GestelldrehlagerFrame pivot
10, 10.1, 10.210, 10.1, 10.2
HaltedrehlagerHolding pivot
11, 11.1, 11.211, 11.1, 11.2
Trägercarrier
1212
Bahnkurvetrajectory
1313
Halterholder
1414
Gestellframe
15.1, 15.215.1, 15.2
Antriebsscheibesheave
16.1, 16.216.1, 16.2
Führungsscheibeguide disc
1717
Lagerzapfenpivot
1818
Antriebszapfendrive journal
1919
Elektromotorelectric motor
2020
Steuergerätcontrol unit
2121
Zahnriementoothed belt
22.1, 22.2, 22.322.1, 22.2, 22.3
Riemenscheibepulley
23.1, 23.223.1, 23.2
Achseaxis
24.1, 24.224.1, 24.2
Öseeyelet

Claims (15)

  1. Method for smoothing and fixing a flexible material web (3) placed in a material loop (5), which material web (3) is placed in a plurality of material layers lying on top of one another between two opposite ends of a placement point (4), in which the material loop (5) is pressed down by a holding plate (1) which is moved in an oscillating manner,
    characterized in that
    the oscillating movement of the holding plate (1) is generated by a crank drive (7) which guides the holding plate (1) in a placement direction of the material web (3) on an encircling curve of motion (12) with one motion component.
  2. Method according to Claim 1,
    characterized in that
    the holding plate (1) is guided by two crank drives (7) which act in a spaced-apart manner on the holding plate (1) and which are synchronously driven by an electric motor (19).
  3. Method according to Claim 2,
    characterized in that
    the two crank drives (7.1, 7.2) are driven with identical phasings in relation to the holding plate (1).
  4. Method according to Claim 2,
    characterized in that
    the two crank drives (7.1, 7.2) are driven with a phase difference of the phasings in relation to the holding plate (1).
  5. Method according to one of Claims 1 to 4,
    characterized in that
    the crank drive (7) or the crank drives (7.1, 7.2) control a motion cycle of the holding plate (1) in dependence on a material-infeed speed.
  6. Holding-down device for implementing the method for smoothing and fixing a material web (3) placed in a material loop (5) according to Claim 1, having a movable holding plate (1) and having a drive unit (2) by which the holding plate (1) is movable in an oscillating manner,
    characterized in that
    the drive unit (2) has a crank drive (7) which is connected to the holding plate (1) in such a manner that the holding plate (1) is guidable in a placement direction of the material web (3) on an encircling curve of motion (12) with one motion component.
  7. Holding-down device according to Claim 6,
    characterized in that
    a second crank drive (7.1, 7.2) is provided which is connected to the holding plate (1) in a manner spaced apart from the other crank drive (7.1, 7.2).
  8. Holding-down device according to Claim 6 or 7,
    characterized in that
    the crank drive (7) or the crank drives (7.1, 7.2) is/are assigned an electric motor (19) which is controllable by an assigned controller (20).
  9. Holding-down device according to Claim 7 or 8,
    characterized in that
    the two crank drives (7.1, 7.2) are connected to the holding plate (1) at an identical phase angle.
  10. Holding-down device according to Claim 7 or 8,
    characterized in that
    the two crank drives (7.1, 7.2) are connected to the holding plate (1) at different phase angles.
  11. Holding-down device according to one of Claims 6 to 10,
    characterized in that
    the crank drive (7.1) has at least one drivable drive disc (15.1) which eccentrically holds a projecting support (23.1) of the holding plate (1).
  12. Holding-down device according to Claim 11,
    characterized in that
    a rotatably mounted guide disc (16.1) is located on an opposite side of the holding plate (1),) a projecting end of the support (23.1) being held with the same eccentricity on said guide disc (16.1).
  13. Holding-down device according to Claim 11 or 12,
    characterized in that
    a second drivable drive disc (15.2) is located on the same side of the holding plate (1) in a manner spaced apart from the other drive disc (15.1), which second drive disc (15.2) holds a second support (23.2) of the holding plate with the same eccentricity.
  14. Holding-down device according to Claims 8 and 13,
    characterized in that
    the drive discs (15.1, 15.2) each have a drive pin (18) and in that the drive pins (18) are connected to the electric motor (19) by a toothed belt (21).
  15. Holding-down device according to one of Claims 6 to 14,
    characterized in that
    the drive unit (2) is held on a support (13) in a height-adjustable manner in relation to a placement point (4).
EP10752552.9A 2009-09-12 2010-09-03 Method and hold-down device for smoothing and fixing a flexible material web placed in a material loop Not-in-force EP2475605B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910041460 DE102009041460A1 (en) 2009-09-12 2009-09-12 Method and hold-down device for smoothing and fixing a stored in a material loop flexible material web
PCT/EP2010/062939 WO2011029779A1 (en) 2009-09-12 2010-09-03 Method and hold-down device for smoothing and fixing a flexible material web placed in a material loop

Publications (2)

Publication Number Publication Date
EP2475605A1 EP2475605A1 (en) 2012-07-18
EP2475605B1 true EP2475605B1 (en) 2014-01-15

Family

ID=42945277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10752552.9A Not-in-force EP2475605B1 (en) 2009-09-12 2010-09-03 Method and hold-down device for smoothing and fixing a flexible material web placed in a material loop

Country Status (5)

Country Link
EP (1) EP2475605B1 (en)
CN (1) CN102482044B (en)
DE (1) DE102009041460A1 (en)
DK (1) DK2475605T3 (en)
WO (1) WO2011029779A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012015466B4 (en) * 2012-08-03 2015-01-22 Roth + Weber Gmbh Method for folding paper

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1138730B (en) * 1957-07-16 1962-10-31 Broadbent & Sons Ltd Thomas Folding device for railroad goods
DE3508599A1 (en) * 1984-06-15 1986-09-18 Stig Axel 8000 München Landgren Device for stacking an approximately flat-broad flexible strand to form an approximately cuboidal block
DE3500766C2 (en) * 1985-01-11 1986-11-13 Jos. Hunkeler AG, Fabrik für graphische Maschinen, Wikon Device for the production of individual stacks consisting of a material web folded in a zigzag shape
FR2624490B1 (en) * 1987-12-10 1991-04-26 Martin Gaston PROCESS FOR FORMING ZIGZAG STACKS FROM A CONTINUOUS STRIP OF FLEXIBLE MATERIAL AND MACHINE FOR CARRYING OUT SAID METHOD
FR2644444B1 (en) * 1989-03-17 1992-04-17 Syntone PROCESS FOR FORMING A NEW BATTERY AFTER EVACUATION OF A COMPLETED BATTERY, IN A BATTERY FORMING MACHINE ASSOCIATED WITH PARTICULARLY A PRINTER AND DEVICE FOR CARRYING OUT THIS PROCESS
BE1005066A3 (en) 1991-07-05 1993-04-06 Web Converting Equipment Nv Device for cutting a strip and possibly the fold and stacking of the strip parts obtained.
US6514186B2 (en) * 2001-06-20 2003-02-04 Frank Catallo High speed fabric folder
DE102005016745A1 (en) 2005-04-11 2006-10-12 Saurer Gmbh & Co. Kg Method and device for depositing a flexible material web
CN101391716A (en) * 2008-10-21 2009-03-25 瞿建新 Full-automatic rectification system for cloth plaiting and laying

Also Published As

Publication number Publication date
DK2475605T3 (en) 2014-04-07
CN102482044A (en) 2012-05-30
DE102009041460A1 (en) 2011-03-24
CN102482044B (en) 2015-04-29
EP2475605A1 (en) 2012-07-18
WO2011029779A1 (en) 2011-03-17

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