EP2648864B1 - Strand casting system - Google Patents

Strand casting system Download PDF

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Publication number
EP2648864B1
EP2648864B1 EP11799068.9A EP11799068A EP2648864B1 EP 2648864 B1 EP2648864 B1 EP 2648864B1 EP 11799068 A EP11799068 A EP 11799068A EP 2648864 B1 EP2648864 B1 EP 2648864B1
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EP
European Patent Office
Prior art keywords
continuous casting
oscillator
frame
segment
plant according
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Active
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EP11799068.9A
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German (de)
French (fr)
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EP2648864A1 (en
Inventor
Jörn HOFFMEISTER
Peter Jonen
Michael Rzepczyk
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SMS Group GmbH
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SMS Siemag AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/053—Means for oscillating the moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1281—Vertical removing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/14—Plants for continuous casting
    • B22D11/141—Plants for continuous casting for vertical casting

Definitions

  • the invention relates to a continuous casting plant, comprising a continuous casting mold inserted into an oscillating oscillating frame and an oscillator base frame accommodating the oscillation oscillating frame and strand guide following the continuous casting mold, consisting of a plurality of strand guide rolls and strand guide segments supporting a segment support frame.
  • the uppermost or the first strand guide segment is supported on the segment support frame or the oscillator base frame.
  • the support on the segment support frame is problematic insofar as this segment support frame is subject to thermal growth.
  • the object of the invention is to minimize such transient errors or reaction forces on the strand shell.
  • the horizontal fixed point is located on the oscillator swing frame, preferably within a distance K1 to the strand trailing edge of up to +/- 300mm.
  • For the horizontal bearing point on the oscillator base frame is that it is within a range at a distance B1 to the strand trailing edge of up to +/- 300mm.
  • the upper bearing point for the second segment should be located on the oscillator base frame within a range of distance B2_o to the trailing trailing edge of up to +/- 300mm.
  • the media supply of the first strand guide segment via water and media clamping plates, which are located in the oscillator base frame.
  • water and media clamping plates are resilient, with the help of resilient elements, designed to compensate for misalignments.
  • the proposed storage or positioning of the continuous casting mold and the subsequent strand guide segments reduces alignment errors, so that thus stresses the strand shell can be reduced. This also results in less wear of the individual modules.
  • the separate water supply to the individual strand guide segments of importance because in this way the strand guide segments are more accessible, which manifests itself in particular in a simplified maintenance. It is also advantageous that the segment support frame can be made shorter, which leads to a reduced weight and allows easier installation. Bypass piping from one segment to a higher level is also avoided.
  • partial compensations of relative displacements between the plant parts can also be made by the improved or simplified storage of the strand guide segments.
  • the first strand guide segment 4 adjoins the oscillator oscillating frame or the continuous casting mold.
  • the further strand guide is formed by the strand guide segments 5, 6, etc., wherein in the drawing only these two, so the second and third strand guide segment 5 and 6 are still shown.
  • the segment support frame is referred to, at which the second strand guide segment 5 is supported on the foot side, wherein 14 denotes the support point.
  • this second strand guide segment 5 is mounted in the lower oscillator base frame area.
  • the strand guide rollers arranged in the individual strand guide segments are designated schematically by 17. 16, the mold space of the continuous casting mold 1 enclosing copper plates are indicated. 8, 10 and 23 denote bearing points, which will be explained later.
  • Reference numerals 18, 19 and 20 are intended to indicate water and media clamping plates on the oscillator base frame, segment support frame and the second strand guide segment, respectively.
  • the horizontal fixed point between the continuous casting mold 1 and the oscillator oscillating frame 9 is designated by 8.
  • the uppermost or first strand guide segment 4 is mounted on the oscillator base frame 2.
  • the horizontal positioning of this first strand guide segment 4 by means of the bearing point 10 on the oscillator base frame, the alignment within a range B1 +/- 300mm from the strand trailing edge 11 can be made.
  • B2_u then the next bearing point 14 is designated.
  • B3 designates the attachment region 22 of the subsequent strand guide segments 3-x.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)

Description

Die Erfindung betrifft eine Stranggießanlage, umfassend eine in einen Oszillierschwingrahmen eingesetzte Stranggießkokille und einen den Oszillierschwingrahmen aufnehmenden Oszillatorgrundrahmen sowie sich an die Stranggießkokille anschließende, aus mehreren mit Strangführungsrollen versehenen, sich an einem Segmenttragrahmen abstützenden Strangführungssegmenten bestehende Strangführung.The invention relates to a continuous casting plant, comprising a continuous casting mold inserted into an oscillating oscillating frame and an oscillator base frame accommodating the oscillation oscillating frame and strand guide following the continuous casting mold, consisting of a plurality of strand guide rolls and strand guide segments supporting a segment support frame.

In der Regel wird bei Stranggießanlagen das oberste oder das erste Strangführungssegment auf dem Segmentträgerrahmen oder dem Oszillatorgrundrahmen gelagert.As a rule, in continuous casters, the uppermost or the first strand guide segment is supported on the segment support frame or the oscillator base frame.

Beispiele hierfür ergeben sich aus der JP 63005858 , der US 3,409,070 , der US 4,799,535 und der US 4,953,614 .Examples of this can be found in the JP 63005858 , of the US 3,409,070 , of the US 4,799,535 and the US 4,953,614 ,

Die Abstützung am Segmenttragrahmen ist insoweit problematisch, als dieser Segmenttragrahmen einem thermischen Wachstum unterliegt.The support on the segment support frame is problematic insofar as this segment support frame is subject to thermal growth.

Für die Ausrichtung der Segmente untereinander und in Bezug auf die Kokille sind aber Referenzpunkte notwendig.However, reference points are necessary for aligning the segments with each other and with respect to the mold.

Diese Referenzpunkte unterliegen aufgrund des thermischen Wachstums einer Verlagerung, so dass sich über längere Zeit gesehen Ausrichtfehler zwischen den Strangführungssegmenten und der Kokille ergeben. Dies kann zu unerwünschten Übergangsfehlern und Reaktionskräften auf die Strangschale, die in diesem oberen Bereich der Strangführung noch sehr dünn ist, führen.Due to the thermal growth, these reference points are subject to a shift, so that over a longer period of time alignment errors occur between the strand guide segments and the mold. This can lead to undesirable transient errors and reaction forces on the strand shell, which is still very thin in this upper region of the strand guide.

Aufgabe der Erfindung ist es, derartige Übergangsfehler oder Reaktionskräfte auf die Strangschale zu minimieren.The object of the invention is to minimize such transient errors or reaction forces on the strand shell.

Gelöst wird diese Aufgabe erfindungsgemäß bei einer Stranggießanlage, umfassend eine in einen Oszillatorschwingrahmen eingesetzte Stranggießkokille und einen den Oszillatorschwingrahmen aufnehmenden Oszillatorgrundrahmen sowie sich an die Stranggießkokille anschließende aus mehreren mit Strangführungsrollen versehenen, sich an einem Segmenttragrahmen abstützenden Strangführungssegmenten bestehende Strangführung dadurch,

  • dass die Stranggießkokille mittels eines horizontalen Befestigungspunktes zum Oszillatorschwingrahmen positionierbar ist,
  • dass das erste Strangführungssegment sich auf dem Oszillatorgrundrahmen abstützt und auf diesem an einem Lagerpunkt an dem Oszillatorgrundrahmen horizontal ausrichtbar ist
  • dass das zweite Strangführungssegment im Bereich der eintrittsseitigen Strangführungsrollen an einem Lagerpunkt an dem Oszillatorgrundrahmen horizontal ausrichtbar ist und
  • dass sich das zweite Strangführungssegment mit seinem Fußbereich zur horizontalen und vertikalen Fixierung am Segmenttragrahmen abstützt.
This object is achieved according to the invention in a continuous casting plant comprising a continuous casting mold inserted into an oscillating oscillating frame and an oscillator base frame accommodating the oscillating oscillating frame and strand strand guiding consisting of several strand guiding rolls supported on a segment supporting frame.
  • that the continuous casting mold can be positioned by means of a horizontal attachment point to the oscillator oscillating frame,
  • that the first strand guide segment is supported on the oscillator base frame and is horizontally alignable thereon at a bearing point on the oscillator base frame
  • that the second strand guide segment in the region of the inlet-side strand guide rollers at a bearing point on the oscillator base frame is horizontally aligned, and
  • that the second strand guide segment is supported with its foot region for horizontal and vertical fixation on the segment support frame.

Vorgesehen ist, dass sich der horizontale Fixpunkt auf dem Oszillatorschwingrahmen befindet, und zwar vorzugsweise innerhalb eines Bereiches im Abstand K1 zur Stranghinterkante von bis zu +/- 300mm.It is envisaged that the horizontal fixed point is located on the oscillator swing frame, preferably within a distance K1 to the strand trailing edge of up to +/- 300mm.

Für den horizontalen Lagerpunkt an dem Oszillatorgrundrahmen gilt, dass er sich innerhalb eines Bereiches im Abstand B1 zur Stranghinterkante von bis zu +/- 300mm befindet.For the horizontal bearing point on the oscillator base frame is that it is within a range at a distance B1 to the strand trailing edge of up to +/- 300mm.

Der obere Lagerpunkt für das zweite Segment sollte sich an dem Oszillatorgrundrahmen innerhalb eines Bereiches im Abstand B2_o zur Stranghinterkante von bis zu +/- 300mm befinden.The upper bearing point for the second segment should be located on the oscillator base frame within a range of distance B2_o to the trailing trailing edge of up to +/- 300mm.

Schließlich stützt sich das zweite Strangführungssegment mit seinem Fußbereich zur horizontalen und vertikalen Lagerung am Segmenttragrahmen an einem Lagerpunkt mit einem Abstand B2_u zur Stranghinterkante ab, wobei die Bereiche B2_u und B3, also ihre Abstandswerte zur Stranghinterkante, um 300mm voneinander differieren können, also B2_u = B3 +/-300mm.Finally, the second strand guide segment is supported by its foot region for horizontal and vertical support on the segment support frame at a bearing point with a distance B2_u to the strand trailing edge, the areas B2_u and B3, so their distance to the strand trailing edge, can differ from each other by 300mm, ie B2_u = B3 +/- 300mm.

Nach einer weiteren Ausgestaltung der Erfindung ist vorgesehen, dass die Medienversorgung des ersten Strangführungssegmentes über Wasser- und Medienspannplatten erfolgt, die sich im Oszillatorgrundrahmen befinden.According to a further embodiment of the invention, it is provided that the media supply of the first strand guide segment via water and media clamping plates, which are located in the oscillator base frame.

Entsprechendes gilt für die Medienversorgung des zweiten Strangführungssegmentes, die auch über Wasser- und Medienspannplatten erfolgt.The same applies to the media supply of the second strand guide segment, which also takes place via water and media clamping plates.

Vorteilhaft ist es, wenn dabei die Wasser- und Medienspannplatten nachgiebig, mit Hilfe von federnden Elementen, zum Ausgleich von Fluchtungsfehlern ausgestaltet sind.It is advantageous if the water and media clamping plates are resilient, with the help of resilient elements, designed to compensate for misalignments.

Die Vorteile, die sich aus dem erfindungsgemäßen Aufbau der Stranggießanlage ergeben lassen sich wie folgt zusammenfassen.The advantages that can be derived from the construction of the continuous casting plant according to the invention can be summarized as follows.

Die vorgesehene Lagerung bzw. Positionierbarkeit der Stranggießkokille und der sich anschließenden Strangführungssegmente vermindert Ausrichtfehler, so dass damit Beanspruchungen der Strangschale verringert werden können.
Dies resultiert auch in einem geringeren Verschleiß der einzelnen Baugruppen.The proposed storage or positioning of the continuous casting mold and the subsequent strand guide segments reduces alignment errors, so that thus stresses the strand shell can be reduced.
This also results in less wear of the individual modules.

In Zusammenhang mit der erfindungsgemäßen Lagerung der Segmente ist auch die separate Wasserzuführung zu den einzelnen Strangführungssegmenten von Bedeutung, weil hierdurch die Strangführungssegmente besser zugänglich sind, was sich insbesondere in einer vereinfachten Wartung äußert. Es ist zudem vorteilhaft, dass der Segmenttragrahmen kürzer ausgestaltet werden kann, was zu einem verringerten Gewicht führt und eine leichtere Montage erlaubt.
Überbrückungsverrohrungen von einem Segment auf ein Übergeordnetes werden zudem vermieden.In connection with the storage of the segments according to the invention, the separate water supply to the individual strand guide segments of importance, because in this way the strand guide segments are more accessible, which manifests itself in particular in a simplified maintenance. It is also advantageous that the segment support frame can be made shorter, which leads to a reduced weight and allows easier installation.
Bypass piping from one segment to a higher level is also avoided.

Weiterhin können auch durch die verbesserte oder vereinfachte Lagerung der Strangführungssegmente Teilkompensationen von relativen Verschiebungen zwischen den Anlagenteilen vorgenommen werden.Furthermore, partial compensations of relative displacements between the plant parts can also be made by the improved or simplified storage of the strand guide segments.

Die Erfindung soll nachfolgend unter Bezug auf die Zeichnung, die schematisch den Aufbau einer Stranggießanlage im oberen Bereich zeigt, erläutert werden.The invention will be explained below with reference to the drawing, which schematically shows the structure of a continuous casting in the upper region.

Unterhalb der Gießbühne bzw. des Drehturmes ist der Oszillatorgrundrahmen 2 angeordnet. Zu diesem Oszillatorgrundrahmen gehört der sich auf diesem abstützende und durch dessen Antrieb in Schwingung versetzbare Oszillatorschwingrahmen 9, der seinerseits die Stranggießkokille 1 aufnimmt.
An den Oszillatorschwingrahmen bzw. die Stranggießkokille schließt sich das erste Strangführungssegment 4 an.
Die weitere Strangführung wird durch die Strangführungssegmente 5, 6 usw. gebildet, wobei in der Zeichnung nur diese beiden, also das zweite und dritte Strangführungssegment 5 und 6 noch dargestellt sind.Below the casting platform or the turret of the oscillator base frame 2 is arranged. Belongs to this oscillator base frame on this supporting and displaceable by the drive in oscillation oscillating oscillating frame 9, which in turn receives the continuous casting mold 1.
The first strand guide segment 4 adjoins the oscillator oscillating frame or the continuous casting mold.
The further strand guide is formed by the strand guide segments 5, 6, etc., wherein in the drawing only these two, so the second and third strand guide segment 5 and 6 are still shown.

Mit 3 ist der Segmenttragrahmen bezeichnet, an dem sich das zweite Strangführungssegment 5 fußseitig abstützt, wobei mit 14 der Auflagerpunkt bezeichnet ist.3, the segment support frame is referred to, at which the second strand guide segment 5 is supported on the foot side, wherein 14 denotes the support point.

Kopfseitig ist dieses zweite Strangführungssegment 5 im unteren Oszillatorgrundrahmenbereich gelagert.On the head side, this second strand guide segment 5 is mounted in the lower oscillator base frame area.

Mit 21 ist die Gießrichtung durch einen Pfeil kenntlich gemacht, während mit 11 die Hinterkante des Stranges bezeichnet ist, auf die später noch eingegangen werden wird. 12 bezeichnet die Wasserzuführung zum ersten Strangführungssegment 4 und 13 die Wasserzuführung zum zweiten Strangführungssegment 5.With 21, the casting direction is indicated by an arrow, while 11 is the trailing edge of the strand is referred to, which will be discussed later. 12 denotes the water supply to the first strand guide segment 4 and 13, the water supply to the second strand guide segment fifth

22 ist der Aufsetzbereich für das dritte Strangführungssegment, wobei für die dann nachfolgenden Strangführungssegmente entsprechende Bereiche vorhanden sind.22 is the Aufsetzbereich for the third strand guide segment, wherein for the then subsequent strand guide segments corresponding areas are present.

Am fußseitigen Ende der Stranggießkokille 1 sind Kokillenfußrollen 15 vorgesehen.At the foot end of the continuous casting mold 1 Kokillenfußrollen 15 are provided.

Die in den einzelnen Strangführungssegmenten angeordneten Strangführungsrollen sind schematisch mit 17 bezeichnet.
Mit 16 sind die den Formraum der Stranggießkokille 1 umschließenden Kupferplatten angedeutet.
8, 10 und 23 bezeichnen Lagerpunkte, die später noch erläutert werden.The strand guide rollers arranged in the individual strand guide segments are designated schematically by 17.
16, the mold space of the continuous casting mold 1 enclosing copper plates are indicated.
8, 10 and 23 denote bearing points, which will be explained later.

Die Bezugszeichen 18, 19 und 20 sollen Wasser- und Medienspannplatten am Oszillatorgrundrahmen, Segmenttragrahmen bzw. dem zweiten Strangführungssegment andeuten.Reference numerals 18, 19 and 20 are intended to indicate water and media clamping plates on the oscillator base frame, segment support frame and the second strand guide segment, respectively.

Der horizontale Fixpunkt zwischen der Stranggießkokille 1 und dem Oszillatorschwingrahmen 9 ist mit 8 bezeichnet.
Wie oben angegeben, ist das oberste oder erste Strangführungssegment 4 auf dem Oszillatorgrundrahmen 2 gelagert. Die horizontale Positionierung dieses ersten Strangführungssegmentes 4 erfolgt mittels des Lagerpunktes 10 auf dem Oszillatorgrundrahmen, wobei die Ausrichtung innerhalb eines Bereiches B1 = +/-300mm von der Stranghinterkante 11 vorgenommen werden kann.
Der nächste Lagerpunkt ist mit 23 bezeichnet, befindet sich am zweiten Strangführungssegment 5 und erlaubt einen entsprechenden Ausrichtungsbereich B2_o = , +/-300mm ebenfalls bezogen auf die Stranghinterkante 11.
Mit B2_u ist dann der nächste Auflagerpunkt 14 bezeichnet. Mit B3 wird der Aufsetzbereich 22 der nachfolgenden Strangführungssegmente 3-x bezeichnet. Die Bereiche B2_u und B3 bemessen sich bezogen auf die Stranghinterkante 11 und sind annähernd gleich groß, also B2_u = B3 wobei ihre Abstandswerte zur Hinterkante ebenfalls bis zu 300mm voneinander differieren können.The horizontal fixed point between the continuous casting mold 1 and the oscillator oscillating frame 9 is designated by 8.
As stated above, the uppermost or first strand guide segment 4 is mounted on the oscillator base frame 2. The horizontal positioning of this first strand guide segment 4 by means of the bearing point 10 on the oscillator base frame, the alignment within a range B1 = +/- 300mm from the strand trailing edge 11 can be made.
The next bearing point is denoted by 23, located on the second strand guide segment 5 and allows a corresponding alignment region B2_o =, +/- 300mm also based on the strand trailing edge 11th
With B2_u then the next bearing point 14 is designated. B3 designates the attachment region 22 of the subsequent strand guide segments 3-x. The areas B2_u and B3 are based on the strand trailing edge 11 and are approximately the same size, ie B2_u = B3, where their distance to the trailing edge can also differ up to 300mm from each other.

Claims (9)

  1. Continuous casting plant, comprising a continuous casting mould (1) inserted into an oscillator oscillation frame (9) and an oscillator base frame (2) receiving the oscillator oscillation frame, as well as a strip guide, which is connected with the continuous casting mould (1) and consists of a plurality of strip guide segments (4, 5, 6, n) provided with strip guide rollers (17) and supported at a segment support frame (3), characterised in that
    - the continuous casting mould (1) is positionable by means of a horizontal fastening point (8) with respect to the oscillator oscillation frame (9),
    - the first strip guide segment (4) is supported on the oscillator base frame (2) and horizontally alignable thereat at a bearing point (10) at the oscillator base frame (2),
    - the second strip guide segment (5) is horizontally alignable in the region of the entry-side strip guide rollers at a bearing point (23) at the oscillator base frame (2) and
    - the second strip guide segment (5) is supported by its foot region for horizontal and vertical positional determination at the segment support frame (3).
  2. Continuous casting plant according to claim 1, characterised in that the horizontal fastening point (8) is disposed on the oscillator oscillation frame (9).
  3. Continuous casting plant according to claim 1 - 2, characterised in that the horizontal fastening point (8) is disposed on the oscillator oscillation frame (9) within a region at a spacing K1 from the strip rear edge (11) of up to +/- 300 millimetres.
  4. Continuous casting plant according to claim 1 - 3, characterised in that the horizontal bearing point (10) at the oscillator base frame (2) is disposed within a region at a spacing B1 from the strip rear edge (11) of up to +/- 300 millimetres.
  5. Continuous casting plant according to claim 1 - 4, characterised in that the bearing point (23) at the oscillator base frame (2) is disposed within a region at a spacing B2_o from the strip rear edge (11) of up to +/- 300 millimetres.
  6. Continuous casting plant according to claim 1 - 5, characterised in that the second strip guide segment (5) is supported by its foot region for horizontal and vertical mounting at the segment support frame (3) at a bearing point (14) with a spacing B2_u from the strip rear edge (11), wherein the regions B2_u and B3, thus the spacing values thereof from the strip rear edge, can differ from one another by 300 millimetres, thus B2_u = B3 +/- 300 millimetres.
  7. Continuous casting plant according to claim 1 - 6, characterised in that media supply of the first strip guide segment (4) is carried out by way of water and media clamp plates (18) present in the oscillator base frame (2).
  8. Continuous casting plant according to claim 1 - 7, characterised in that media supply of the second strip guide segment (5) is carried out by way of water and media clamp plates (19, 20).
  9. Continuous casting plant according to claim 8, characterised in that the water and media clamp plates (19, 20) are designed to be flexible, with the help of resilient elements, to compensate for alignment errors.
EP11799068.9A 2010-12-08 2011-10-17 Strand casting system Active EP2648864B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010054398 DE102010054398A1 (en) 2010-12-08 2010-12-08 continuous casting plant
PCT/DE2011/001895 WO2012075982A1 (en) 2010-12-08 2011-10-17 Strand casting system

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Publication Number Publication Date
EP2648864A1 EP2648864A1 (en) 2013-10-16
EP2648864B1 true EP2648864B1 (en) 2014-12-17

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DE (1) DE102010054398A1 (en)
WO (1) WO2012075982A1 (en)

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DE102016205093A1 (en) 2016-03-29 2017-10-05 Sms Group Gmbh continuous casting plant
WO2019025081A1 (en) * 2017-08-04 2019-02-07 Sms Group Gmbh Mount for a segment in a strand guide and strand guide

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DE102016205093A1 (en) 2016-03-29 2017-10-05 Sms Group Gmbh continuous casting plant
WO2017167703A1 (en) 2016-03-29 2017-10-05 Sms Group Gmbh Continuous casting system
WO2019025081A1 (en) * 2017-08-04 2019-02-07 Sms Group Gmbh Mount for a segment in a strand guide and strand guide

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CN103228376A (en) 2013-07-31
DE102010054398A1 (en) 2012-06-14
CN103228376B (en) 2015-07-15
EP2648864A1 (en) 2013-10-16
WO2012075982A1 (en) 2012-06-14

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