WO2011095383A1 - Segment de corset de guidage dans une construction en cassette à serrage de cylindre individuel - Google Patents

Segment de corset de guidage dans une construction en cassette à serrage de cylindre individuel Download PDF

Info

Publication number
WO2011095383A1
WO2011095383A1 PCT/EP2011/050498 EP2011050498W WO2011095383A1 WO 2011095383 A1 WO2011095383 A1 WO 2011095383A1 EP 2011050498 W EP2011050498 W EP 2011050498W WO 2011095383 A1 WO2011095383 A1 WO 2011095383A1
Authority
WO
WIPO (PCT)
Prior art keywords
strand guide
strand
roller
segment according
individually
Prior art date
Application number
PCT/EP2011/050498
Other languages
German (de)
English (en)
Inventor
Josef Guttenbrunner
Günter Ziegler
Franz Ramstorfer
Original Assignee
Siemens Vai Metals Technologies Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Vai Metals Technologies Gmbh filed Critical Siemens Vai Metals Technologies Gmbh
Priority to EP11701049.6A priority Critical patent/EP2531315B1/fr
Priority to KR1020127023246A priority patent/KR101786029B1/ko
Priority to RU2012137782/02A priority patent/RU2511414C1/ru
Priority to BR112012019155A priority patent/BR112012019155B1/pt
Priority to CN201180008418.1A priority patent/CN102834202B/zh
Priority to UAA201209449A priority patent/UA106409C2/ru
Publication of WO2011095383A1 publication Critical patent/WO2011095383A1/fr

Links

Classifications

    • 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
    • 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
    • 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
    • B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
    • 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
    • B22D11/1226—Accessories for subsequent treating or working cast stock in situ for straightening strands
    • 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
    • B22D11/1282—Vertical casting and curving the cast stock to the horizontal
    • 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
    • B22D11/1285—Segment changing devices for supporting or guiding frames
    • 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

Definitions

  • the present invention relates to a strand guide segment for supporting and guiding a metallic strand
  • the invention relates to a strand guide segment for supporting and guiding a metallic strand
  • Continuous casting machine comprising a top frame and a bottom frame, wherein the top frame is detachably connected to the sub-frame; wherein a plurality of strand guide rollers are respectively connected to the upper frame and the lower frame; and wherein in the casting direction at least two directly
  • successively arranged individually displaceable strand guide rollers are individually adjustable against the strand.
  • Adjustment devices manually detached from the upper frame and then the upper frame of the subframe must be solved. Furthermore, the release of the upper frame from the subframe is also an unmovable when disassembling Strand guide roller necessary. Due to the cramped
  • the object of the invention is to provide a strand guide segment of the type mentioned, in which it in
  • each individually displaceable strand guide roller a roller carrier, at least one adjusting device for moving the roller carrier in a Anstellraum transverse to the casting direction and exactly one transverse to the casting direction
  • crosshead is detachably connected to the upper frame or the subframe, which is connected to the individually displaceable strand guide roller, wherein the adjusting device articulated on the one hand on the crosshead and on the other hand on the roller carrier and the individually displaceable strand guide roller on the
  • Roller carrier is rotatably supported.
  • each individually displaceable strand guide roller is a roller carrier
  • the crosshead is itself connected to the frame, specifically, detachably connected to the upper ⁇ or subframe, which is connected to the individually displaceable strand guide roller.
  • Strand guide roller can be assembled or disassembled even in the installed state of the segment in the strand guide.
  • all strand guide rollers of the subframe also referred to as
  • Strand guide rollers are as immovable
  • Another advantage of this embodiment is that all strand guide rollers are individually adjustable to the strand, so that e.g. the over-rotation of the lateral surface of one or more strand guide rollers with a concomitant reduction of the diameter can be easily compensated.
  • opposite strand guide rollers have an offset in the thickness direction of the strand to each other, wherein the strand guide rollers optionally also an axial
  • the upper or lower frame which is connected to the individually displaceable strand guide roller, formed of two lateral support frame and one crosshead per strand guide roller, wherein the
  • lateral support frames each individually movable
  • Strand guide roller a longitudinal guide device, preferably a longitudinal slot, which extends in the direction of adjustment.
  • the roller carrier is plate-shaped, wherein the roller carrier over
  • a strand-guiding roller is supported on a plurality of bearings, for example on the roller carrier or on the lower frame, so that high support or
  • Anstell theory can be transmitted with only slight deflection of the roll.
  • roller carrier assigned two adjusting devices, each adjusting device are articulated in the direction of the longitudinal extent of the displaceable strand guide roller within the two outermost bearing on the roller carrier.
  • the support or the Anstell member be initiated in a favorable manner by the roller carrier in the adjusting devices. Furthermore, this can be ensured that the
  • roller gap on the left and on the right side one, same or different, setpoint corresponds.
  • Adjusting devices are articulated in the direction of the longitudinal extent of the displaceable strand guide roller outside the two outermost bearing on the roller carrier.
  • each roller carrier is assigned an adjusting device which is arranged centrally on the roller carrier.
  • a crosshead by means of one, preferably hydraulically operated,
  • Clamping device connected to a lateral support frame, whereby the time required for changing a crosshead can be reduced.
  • Clamping device an automatic media supply
  • an adjusting device is designed as a pressure medium cylinder.
  • Displacement measuring device for measuring the setting position and / or a force measuring device for measuring the contact force is assigned.
  • the force measuring device is a device for measuring at least one hydraulic chamber pressure
  • a highly accurate achievement of a required contact force or a required strand thickness is possible when a control device with a force measuring device, a
  • Path measuring device preferably integrated in a hydraulic cylinder
  • an adjusting device preferably a hydraulic proportional or servo valve
  • Control device can be compensated.
  • a roller carrier at least one stop for calibrating a
  • Strand guide segment in a continuous casting plant with an arcuate or horizontal strand guide for producing a strand, preferably with slab or
  • Thin slab cross section to be used in steel.
  • the invention can also be used in vertical systems or in bloom systems. Further advantages and features of the present invention will not become apparent from the following description
  • Fig. 1 is a perspective view of a
  • FIG. 2 is an elevational view of the strand guide segment of FIG. 1
  • Fig. 3 is an elevation of a strand guide segment with two lot sides
  • Fig. 4 is a schematic representation of a strand guiding segment with a control device for compensating the deflection of the crosshead as a result of the contact force
  • the strand guide segment 1 shows a strand guide segment 1 of an arc casting machine for the production of steel slabs.
  • liquid steel is poured in a mold into an at least partially solidified strand, which is guided, supported and cooled further in the subsequent arcuate strand guide formed by a plurality of strand guide segments which follow one another in the casting direction 2.
  • the strand guide segment 1 has a
  • displaceable strand guide rollers 6 and all the sub-frame 4 associated strand guide rollers 5 are designed as non-displaceable strand guide rollers 7.
  • Strand guide rollers 6 the strand can be targeted, e.g. be treated by a soft-reduction or a pre-rolling, etc., metallurgical, so for example
  • Preset limits can be maintained, but also an overload of the movable strand guide roller can be prevented;
  • Anstell 46 the sliding strand guide rollers 6 can be determined with high accuracy; - any, ie linear but also non-linear,
  • the subframe 4 is connected by means of lateral connecting columns 25 with the upper frame 3, wherein the upper frame 3 is formed of two lateral support frame 12 and one crosshead 11 per displaceable strand guide roller 6.
  • Each displaceable strand guide roller 6 is a module
  • Pressure medium cylinder 17 formed adjusting 9 for moving the roller carrier 8 in the Anstellraum 10 transverse to the casting direction 2 and a crosshead 11, assigned, wherein the crosshead 11 by means of the clamping devices 16, which can be hydraulically biased, releasably connected to the
  • Each slidable strand guide roller 6 is by means of four bearings 15 on the
  • Roller carrier 8 rotatably supported, so that high
  • the pressure medium cylinder 17 is articulated on the one hand articulated on the crosshead 11 and on the other hand articulated on the roller carrier 8, wherein each pressure medium cylinder 17 in the direction of the longitudinal extension of the displaceable
  • Strand guide roller 6 is hinged within the two outermost bearing 15 to the roller carrier 8. Due to this modular construction, it is possible to have a single displaceable one
  • roller carrier 8 the adjusting devices 9 and the
  • each roller carrier 8 is assigned a stop 22, it is furthermore possible to remove the module even when it has been removed, ie outside the strand guide segment to calibrate, with a pressure medium cylinder 17 associated
  • Displacement measuring device after starting a reference position (for example, when it is driven against the stop 22 or the crosshead 11) is completely calibrated available.
  • the calibration can also be outside the
  • Each plate-shaped roller carrier 11 is by means of at least one guide element 14 in a longitudinal slot 13 designed as a longitudinal guide device per side
  • Support frame 12 out, whereby a high guidance accuracy and rigidity is given.
  • FIG. 2 is an elevation of the strand guide segment 1 shown in FIG. 1, wherein the cooling nozzles 23, designed as
  • Fig. 3 illustrates an embodiment of the strand guiding segment 1 according to the invention, wherein all the strand guiding rollers 5, i. both the strand guide rollers connected to the upper frame 3 and the lower frame 4, as
  • the upper frame 3 is detachably connected by means of a plurality of laterally arranged, connecting columns 25 to the lower frame 4, wherein each of the upper and the lower frame of two lateral support frame 12 and one crosshead each
  • Strand guide roller 6 is formed. In addition to one
  • Strand guide rollers can be made individually to the strand, so that e.g. if a single one
  • FIG. 4 shows a detail of a strand guide segment 1 with a control device 18.
  • the control device 18 is connected to a displacement measuring device 20 and a force measuring device 19 designed as a pressure medium cylinder 17 adjusting device 9, wherein by means of the control device 18, the deflection of the crosshead 11 due to the contact force of the adjusting device.
  • the force measuring device 19 provides an actual value of the contact force Fi st , which by means of a mechanical model, in the control device 18th
  • Displacement measuring device 20 and the force measuring device 19 an adjusting device 9 a displaceable

Abstract

L'invention concerne un segment de corset de guidage (1) destiné à soutenir et guider une barre métallique présentant une section transversale de brame dans un corset de guidage d'une machine de coulée continue, ledit segment présentant un cadre supérieur (3) et un cadre inférieur (4), le cadre supérieur (3) étant relié de façon amovible au cadre inférieur (4); plusieurs cylindres de corset de guidage (5, 6, 7) étant reliés respectivement au cadre supérieur (3) et au cadre inférieur (4); et au moins deux cylindres de corset de guidage (6) mobiles individuellement, agencés directement les uns à la suite des autres pouvant être serrés individuellement contre la barre, dans la direction de coulée (2). L'invention vise à mettre au point un segment de corset de guidage du type décrit ci-dessus qui permette, à l'état monté, le changement d'au moins un cylindre de corset de guidage (6) mobile individuellement du segment de corset de guidage. A cet effet, un support de cylindre (8), au moins un dispositif de réglage (9) destiné à déplacer le support de cylindre (8) dans une direction de serrage (10) transversalement à la direction de coulée (2) et précisément une traverse (11) agencée de manière transversale par rapport à la direction de coulée (2) étant associés à chaque cylindre de corset de guidage (6) mobile individuellement, la traverse (11) étant reliée de façon amovible au cadre supérieur et inférieur (3, 4), qui est relié au cylindre de corset de guidage (6) mobile individuellement, le dispositif de réglage (9) étant articulé d'une part sur la traverse (11) et d'autre part sur le support de cylindre (8) et le cylindre de corset de guidage (6) mobile individuellement étant soutenu par le support de cylindre (8) de manière à pouvoir tourner.
PCT/EP2011/050498 2010-02-05 2011-01-17 Segment de corset de guidage dans une construction en cassette à serrage de cylindre individuel WO2011095383A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP11701049.6A EP2531315B1 (fr) 2010-02-05 2011-01-17 Segmenet de guide-barre du type de cassette ayant des rouleauxn ajustables individuels
KR1020127023246A KR101786029B1 (ko) 2010-02-05 2011-01-17 단일 롤 인게이지먼트를 갖춘 카세트 디자인의 로드 가이드 세그먼트
RU2012137782/02A RU2511414C1 (ru) 2010-02-05 2011-01-17 Направляющий сегмент ручья кассетной конструкции с отдельной установкой валков
BR112012019155A BR112012019155B1 (pt) 2010-02-05 2011-01-17 segmento de guia de fio para suportar e guiar um fio metálicoe uso de um segmento de guia de fio
CN201180008418.1A CN102834202B (zh) 2010-02-05 2011-01-17 盒式结构的具有单辊靠合的连铸坯导引区段
UAA201209449A UA106409C2 (ru) 2010-02-05 2011-01-17 Штрангонаправляющий сегмент кассетного типа с индивидуальным подводом роликов

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1622010A AT509352B1 (de) 2010-02-05 2010-02-05 Strangführungssegment in kassettenbauweise mit einzelrollenanstellung
ATA162/2010 2010-02-05

Publications (1)

Publication Number Publication Date
WO2011095383A1 true WO2011095383A1 (fr) 2011-08-11

Family

ID=43770511

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/050498 WO2011095383A1 (fr) 2010-02-05 2011-01-17 Segment de corset de guidage dans une construction en cassette à serrage de cylindre individuel

Country Status (9)

Country Link
EP (1) EP2531315B1 (fr)
KR (1) KR101786029B1 (fr)
CN (1) CN102834202B (fr)
AT (1) AT509352B1 (fr)
BR (1) BR112012019155B1 (fr)
RU (1) RU2511414C1 (fr)
TW (1) TWI472387B (fr)
UA (1) UA106409C2 (fr)
WO (1) WO2011095383A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013083391A1 (fr) 2011-12-05 2013-06-13 Siemens Vai Metals Technologies Gmbh Mesures d'amélioration du processus dans une machine de coulée continue au démarrage de la coulée, à la fin de la coulée et lors de la production d'un élément de jonction
DE102014202995A1 (de) 2013-09-16 2015-03-19 Sms Siemag Ag Rahmen für ein Strangführungssegment
AT516412A1 (de) * 2014-10-28 2016-05-15 Primetals Technologies Austria GmbH Strangführungsrolleneinheit für eine Stranggießmaschine
EP3590629A1 (fr) 2018-07-02 2020-01-08 Primetals Technologies Austria GmbH Segment de guidage de barre coulée avec des galets de guidade de barre déplaçable individuellement
AT521727A1 (de) * 2018-09-25 2020-04-15 Primetals Technologies Austria GmbH Rollenbock mit elastischen Stützrollen

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101496164B1 (ko) * 2013-12-13 2015-02-27 주식회사 포스코 연속주조기의 세그먼트용 클램핑장치 및 이를 갖춘 연속주조기
RU168547U1 (ru) * 2016-02-25 2017-02-08 Акционерное общество "Машиностроительный концерн ОРМЕТО-ЮУМЗ" Роликовый блок для комбинированной МНЛЗ
CN108788041B (zh) * 2018-07-03 2020-01-03 东北大学 一种连铸凝固末端重压下用扇形段辊列结构及使用方法
KR102209566B1 (ko) * 2018-09-21 2021-01-28 주식회사 포스코 연속 주조 설비

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DE2503494A1 (de) * 1975-01-29 1976-08-05 Schloemann Siemag Ag Strangfuehrungsgeruest in einer stranggiessanlage
DE2731748A1 (de) 1976-07-16 1978-01-19 Concast Ag Rollenfuehrungsgeruest fuer eine stahlstranggiessanlage
DE3034444A1 (de) * 1980-09-12 1982-04-22 Schloemann-Siemag AG, 4000 Düsseldorf Richttreiber in einer stahlstranggiessanlage
JPH09220654A (ja) * 1996-02-15 1997-08-26 Kawasaki Steel Corp 連続鋳造機のローラエプロン
WO2001094051A1 (fr) * 2000-06-02 2001-12-13 Voest-Alpine Industrieanlagenbau Gmbh & Co Element de guidage de barre coulee et segment de guidage de barre coulee avec element de guidage de barre coulee integre
DE102004048618A1 (de) * 2004-10-06 2006-04-13 Sms Demag Ag Verfahren und Rollensegment zum Bestimmen der Kernerstarrung und/oder der Sumpfspitze beim Stranggießen von Metallen, insbesondere von Stahlwerkstoffen
WO2009118222A1 (fr) * 2008-03-28 2009-10-01 Siemens Vai Metals Technologies Gmbh & Co Segment de guidage de barre coulée
WO2009144107A1 (fr) * 2008-05-26 2009-12-03 Siemens Vai Metals Technologies Gmbh & Co Installation de coulée continue à plusieurs lignes

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AT337386B (de) * 1975-09-03 1977-06-27 Voest Ag Rollengerust fur stranggiessanlagen
DE19745056A1 (de) * 1997-10-11 1999-04-15 Schloemann Siemag Ag Verfahren und Anlage zur Erzeugung von Brammen in einer Stranggießanlage
DE10040271A1 (de) * 2000-08-17 2002-02-28 Sms Demag Ag Vorrichtung zum Stranggießen von Metallen, insbesondere von Stahl
DE10062868A1 (de) * 2000-12-16 2002-06-20 Sms Demag Ag Verfahren zum Giessen und unmittelbar anschliessendem Walzen und eine Vorrichtung zur Stützung, Führung und Verformung eines Metall-, insbesondere eines Stahlstranges
AT414221B (de) * 2004-06-09 2006-10-15 Voest Alpine Ind Anlagen Stranggiessanlage und verfahren zum wahlweisen giessen eines breiten metallstranges oder maximal zweier demgegenüber schmälerer metallstränge
DE102006005635A1 (de) * 2006-02-08 2007-08-09 Sms Demag Ag Rollenherdofen zum Aufheizen und/oder Temperaturausgleichen von Stranggiessprodukten aus Stahl oder Stahllegierung und dessen Anordnung vor einer Warmband-Fertigwalzstrasse

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2503494A1 (de) * 1975-01-29 1976-08-05 Schloemann Siemag Ag Strangfuehrungsgeruest in einer stranggiessanlage
DE2731748A1 (de) 1976-07-16 1978-01-19 Concast Ag Rollenfuehrungsgeruest fuer eine stahlstranggiessanlage
DE3034444A1 (de) * 1980-09-12 1982-04-22 Schloemann-Siemag AG, 4000 Düsseldorf Richttreiber in einer stahlstranggiessanlage
JPH09220654A (ja) * 1996-02-15 1997-08-26 Kawasaki Steel Corp 連続鋳造機のローラエプロン
WO2001094051A1 (fr) * 2000-06-02 2001-12-13 Voest-Alpine Industrieanlagenbau Gmbh & Co Element de guidage de barre coulee et segment de guidage de barre coulee avec element de guidage de barre coulee integre
DE102004048618A1 (de) * 2004-10-06 2006-04-13 Sms Demag Ag Verfahren und Rollensegment zum Bestimmen der Kernerstarrung und/oder der Sumpfspitze beim Stranggießen von Metallen, insbesondere von Stahlwerkstoffen
WO2009118222A1 (fr) * 2008-03-28 2009-10-01 Siemens Vai Metals Technologies Gmbh & Co Segment de guidage de barre coulée
WO2009144107A1 (fr) * 2008-05-26 2009-12-03 Siemens Vai Metals Technologies Gmbh & Co Installation de coulée continue à plusieurs lignes

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013083391A1 (fr) 2011-12-05 2013-06-13 Siemens Vai Metals Technologies Gmbh Mesures d'amélioration du processus dans une machine de coulée continue au démarrage de la coulée, à la fin de la coulée et lors de la production d'un élément de jonction
DE102014202995A1 (de) 2013-09-16 2015-03-19 Sms Siemag Ag Rahmen für ein Strangführungssegment
AT516412A1 (de) * 2014-10-28 2016-05-15 Primetals Technologies Austria GmbH Strangführungsrolleneinheit für eine Stranggießmaschine
AT516412B1 (de) * 2014-10-28 2017-07-15 Primetals Technologies Austria GmbH Strangführungsrolleneinheit für eine Stranggießmaschine
EP3590629A1 (fr) 2018-07-02 2020-01-08 Primetals Technologies Austria GmbH Segment de guidage de barre coulée avec des galets de guidade de barre déplaçable individuellement
AT521727A1 (de) * 2018-09-25 2020-04-15 Primetals Technologies Austria GmbH Rollenbock mit elastischen Stützrollen
US11660665B2 (en) 2018-09-25 2023-05-30 Primetals Technologies Austria GmbH Roller stand having elastically mounted supporting rollers

Also Published As

Publication number Publication date
KR101786029B1 (ko) 2017-10-17
BR112012019155B1 (pt) 2018-07-17
UA106409C2 (ru) 2014-08-26
AT509352A1 (de) 2011-08-15
RU2012137782A (ru) 2014-03-10
BR112012019155A2 (pt) 2016-10-04
AT509352B1 (de) 2014-06-15
CN102834202A (zh) 2012-12-19
TW201143935A (en) 2011-12-16
TWI472387B (zh) 2015-02-11
KR20120112868A (ko) 2012-10-11
EP2531315B1 (fr) 2014-12-17
EP2531315A1 (fr) 2012-12-12
CN102834202B (zh) 2015-06-03
RU2511414C1 (ru) 2014-04-10

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