EP2563533A2 - Minimierung des bandzugs eines walzgutes zwischen zwei walzeinheiten - Google Patents
Minimierung des bandzugs eines walzgutes zwischen zwei walzeinheitenInfo
- Publication number
- EP2563533A2 EP2563533A2 EP11717524A EP11717524A EP2563533A2 EP 2563533 A2 EP2563533 A2 EP 2563533A2 EP 11717524 A EP11717524 A EP 11717524A EP 11717524 A EP11717524 A EP 11717524A EP 2563533 A2 EP2563533 A2 EP 2563533A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rolling stock
- rolling
- loop
- roller table
- section
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/48—Tension control; Compression control
- B21B37/50—Tension control; Compression control by looper control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/48—Tension control; Compression control
- B21B37/52—Tension control; Compression control by drive motor control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/58—Roll-force control; Roll-gap control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/30—Arrangements for accumulating surplus web
- B65H20/32—Arrangements for accumulating surplus web by making loops
- B65H20/34—Arrangements for accumulating surplus web by making loops with rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
- B21B39/12—Arrangement or installation of roller tables in relation to a roll stand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B41/00—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B41/00—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters
- B21B41/08—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters without overall change in the general direction of movement of the work
- B21B41/10—Loop deflectors
Definitions
- the invention relates to a method and a device minimizing the strip tension of a rolling stock, wherein the rolling stock is transported by means of a roller table between two roller units in engagement with the rolling stock.
- the invention relates to a method for minimizing the strip tension of a rolling stock, comprising the following steps:
- Rolling units is arranged, a Walzgutschlinge
- the invention relates to a device for
- a roller table which is the rolling stock between two rolling units in engagement with the rolling units
- a control device that controls the rolling units so that in a sink, which in a
- a Walzgutschlinge forms whose loop depth substantially corresponds to the free deflection of the rolling stock in this stretch;
- rolling is usually carried out in rolling mills with a plurality of separate rolling units and rolling operations.
- the rolling stock may e.g. come from a separate continuous casting device.
- Each rolling process can take place in individual reversing stands, or take place in several rolling units, which can each be composed of several rolling stands.
- the rolls of these stands are driven by drives whose speed of a
- the rolling stock may also be a hot strip, which in a casting-rolling composite plant of an upstream, in particular inline continuously arranged continuous casting machine, in a
- a rolling stand can not be operated as a belt tension controlled drive element. It has to be the mass flow between
- the pre-strip divided into pieces can also be wound up and unwound in specially provided facilities, but that is
- a minimum tension control either by a direct tension control or by a
- Schiingenregelung can be done. In both cases a minimum belt tension is always required to control. However, this at least necessary strip tension, which is necessary for regulation and / or available from tension measurement quantities, can exceed the yield point of the hot rolled material to be processed. Even a partially or completely free hanging material loop forms an additional Bandzugkomponente by its own weight. If the sum of the strip tension components locally exceeds the
- Rolling units being in a sink, in a
- Rolling units is arranged, a free-hanging
- the invention is based on the object to provide a method and an apparatus with which a minimization to the complete avoidance of the strip tension of a rolling stock between two successive rolling units
- This task is for a procedure with the characteristics of
- the invention is based on the finding that a
- Regulating device is maintained at a value which corresponds to the free deflection of the rolling stock in this section.
- the deflection is essentially of
- the target value of the loop depth is set as a function of the material (e.g.
- composition for example, the actually occurring thickness and width of the rolling stock
- temperature preferably in real-time to calculate and to use the control as a reference variable.
- the rolling stock loop at least outside a central
- Section associated with the apex of the rolling stock loop b is supported, so that the effective longitudinal extent of the rolling stock loop and thus the tensile stresses in the rolling stock can be reduced to a value of almost zero.
- the product formed from the length of the rolling stock loop, the loop depth and the thickness of the pre-strip is maintained at a value between 2 * 10 5 mm 3 and 6 * 10 7 mm 3 .
- a preferred embodiment of the method can be so
- Walzgutschlinge supported at least at one point of a support line, which by the line of curvature of the free
- Support elements are below the main transport line
- Cross-section tolerance can be better met. It no longer comes to unwanted constrictions or even a crack of the rolling stock.
- the casting process is less exposed to strong negative influences from the rolling process.
- the main drives of the rolling units and optionally also the drivers are controlled so that the vertex of the
- Walzgutschlinge is held by a roller assigned to the apex of the roller table at a distance of 10 mm to 50 mm. Very particularly preferred is a distance between 15 mm and 30 mm.
- a very particularly favorable variant of the method can be such that in the roller table each axis of a roller is arranged at an equal distance from the support line.
- the rolling stock loop is thus virtually free of draft in this
- roller table it may be beneficial if individual roles of the roller table by means of a lifting and lowering device or a whole
- the support line can be adapted very well to bending mechanical properties of the rolling stock.
- the strip tension is nearly zero both in the sink and in the immediate vicinity of upstream and downstream. It hardly comes to disturbing Weg- and mass flow fluctuations from the rolling mill in the casting plant.
- Rollgangschlinge pretends, in which only a very short freely hanging loop section is formed. This ensures that it hardly comes to a disturbing weight of the sagging loop. In the rolling mill then the strip is upstream, downstream and in the
- the measured value of the loop depth is fed to the control device.
- a model and control algorithm is implemented.
- the control device can determine appropriate corrections for the rolling speed as a function of the rolling process and predefine the feeding and / or discharging rolling units. Fluctuations in the mass flow at the entrance or at the exit of the roller table can be detected promptly, preferably in real time, by a change in the loop depth, and thus can be compensated directly.
- the initially asked task is also by a
- roller table forms a support of the rolling stock loop in at least one off-center portion of the track section, wherein the support line of the roller table in this section corresponds to the chain line of the free deflection.
- An advantageous embodiment can be constructed so that the transport device is a roller table, which forms a support of the rolling stock loop in the sink.
- the sink is formed by an arrangement of rollers of the roller table, wherein seen in the transport direction in the stile section rollers with an increasingly smaller diameter and then rollers are arranged with an increasingly larger diameter.
- Transport device e.g. two swiveling ones
- roller table segments is formed.
- the construction may look like that the roller table sections each by one
- the support is preferably again on the support line and relieves the loop from
- lowered roller section is kept at a distance of less than 50 mm.
- Figure 1 shows an embodiment of the invention, with a freely suspended Walzgutschlinge
- FIG. 2 shows an embodiment of the invention, wherein the
- Walzgutschlinge is embedded in a roll bed
- FIG. 3 shows the arrangement of Figure 2, with only the
- FIG 4 shows the arrangement of Figure 2, wherein only the
- running rolling unit is engaged with the rolling stock
- FIG 5 shows the arrangement of Figure 2, wherein both the
- FIG. 6 shows another embodiment of the invention, in which the sink is formed by rollers whose diameter seen in the transport direction initially decreases and then increases again;
- Figure 7 shows another embodiment with a vertically lowerable roller segment;
- Figure 8 shows another embodiment with two pivotable
- FIG. 9 shows an embodiment of the invention, in which the
- Depth of the loop in the sink is detected by means of a contacting measuring device in conjunction with a rotation angle measurement and / or position measurement;
- Figure 12 is a block diagram illustrating the integration of
- Walzgutschlinge is supported by rollers of a roller table, which are each height adjustable by means of an associated drive device.
- FIG. 1 shows a feeding roller unit 2 and a discharging roller unit 25, each of which is in engagement with a rolling stock 1.
- the control of the rolling units 2, 25 is carried out by a control device 10.
- a transport or conveyor 5 is shown, which is designed as a roller table.
- This roller table 5 has a track section 27, in which a
- roller table segment 30 is drawn.
- this roller table segment 30 is flush with the transport or conveying plane.
- the roller table segment 30 is lowered down, so that in the sink 26 a rolling stock loop 6 is formed.
- the loop depth 18 of this rolled material loop 6 is controlled so that it of the free deflection in the
- Section 27 corresponds. Under free deflection while the deflection of a free on both sides
- FIG. 2 likewise shows a transport depression between two roller units 2, 25 which are in engagement with the rolling stock 1.
- the depression 26 is designed so that the rolling stock loop 6 is supported by the rollers.
- the support line is again the free one
- the thickness of the rolled strip 1 is approximately between 8 mm and 20 mm.
- FIG. 3 and FIG. 4 each show an uncoupled discrete operation of the rolling units 2, 25, wherein in FIG. 3 the rolled strip 1 enters the transport depression 26 and in FIG. 4 leaves it again.
- Figure 5 shows the uncoupled simultaneous operation of the rolling units 2, 25, wherein an expiring rolled strip is engaged with the rolling unit 25, an incoming rolled strip is engaged with the feeding rolling unit 2.
- FIG. 6 shows another possible embodiment of the invention
- the transport depression 26 is formed by a section 27 is formed by rollers whose diameter initially decreases in the transport direction, then increases again. This creates a depression in the conveying plane. The rolling stock loop settles in this
- the support is on a support line, which is defined by the line connecting the points of contact of the rollers in this section. According to the support line is designed in accordance with the bending stiffness of the rolled strip.
- FIG. 7 shows another possible embodiment of the device according to the invention.
- a roller table segment 30 by means not shown here
- Adjusting device 29 lowered with respect to the conveying plane.
- the lowering can be done so far that a free hanging
- FIG. 8 shows another embodiment of the invention
- Rolling formed which are each pivotable about the axes 32 by means of the adjusting device 29 downward.
- FIG. 12 shows a block diagram in which the integration of the control device 10 into a superordinate production planning is represented symbolically
- FIG. 12 shows a typical arrangement with a band heater, in which the portion of the rolling stock with the lowest tensile and / or bending stiffness, in the case of FIG
- FIG. 13 shows an embodiment of the device according to the invention, in which the vertical arrangement of the rollers of the transport device is selected so that the points of contact between the rolling stock and the roller lie respectively on the support line, the curvature line, also called chain line, the free deflection of the rolling stock Track section 27
- FIG. 13 shows two rolling scales, a scale roughing 2 and a staggering finish rolling stands 25, the rolling speed of which is controlled by the regulating device 10 is given.
- the rolling stock 1 is a hot strip.
- the arrow 22 indicates the direction of the mass flow.
- Width tolerance can no longer be met.
- this pre-strip can also be torn or even separated during the production process.
- the speed control of the two rolling units or rolling stages 2, 25 must be decoupled from one another, since it is not possible to use a rolling stand at the same time as band-tensioned elements
- sink 26 according to the invention achieved, which, in contrast to a loop in a tape storage has a much smaller depth.
- a so-called “roller table loop” is formed, that is, the hot strip is guided as long as possible supporting. Only in a short section 11 in the middle can occur in the regulation of the mass flow to form a gravitational loop. According to the invention, it has been recognized that virtually no strip tension acts on the rolling stock 1 through such a "roller table loop".
- the hot-rolled strip 1 first passes through a number of roughing stands 2. For example, on the exit plane 19 of the last one
- Rolling stand of the roughing stand 2 promotes a rolling table 4, the rolled strip 1 to a first driver 3. After the driver 3, the rolling stock 1 reaches the inventively ausgestaltet Roller table 5.
- This roller table 5 is not flat, but
- the rolling stock 1 may be simply caused by gravity, but may also be enforced by a depressing roller, especially in thick rolling. After lowering the hot strip 1 in the roller table 5 is again high.
- the rolling stock loop 6 has a continuous curvature.
- the rolling stock 1 emerging from the depression 26 at the end of the roller table 5 passes in the further course to a second driver 8 which lies approximately on the entry plane 20 of a second roller table 12.
- the rolling stock 1 enters the finishing train 25 a.
- the hot strip 1 may still have a temperature of up to 1250 ° C. As already mentioned, this high temperature makes the hot strip 1 sensitive to tensile stress.
- the control device 10 ensures a decoupling of the speeds, so that in the roller table 5 almost band reference zero prevails.
- the speed of the rollers of the drivers 3, 8 is of the
- Control device 10 precisely regulated so that stationary the mass flow is kept constant, temporary
- Variations are absorbed by the loop-shaped shape of the hot strip 1.
- the hot strip 1 is located
- the support line 23 corresponds to the chain line of the free
- the shape of the rolling stock loop 6 is detected in the example shown by means of a contactless measuring device 7.
- a contactless measuring device 7 This is an optical detector here, but as stated above, it can also be designed differently.
- the detector 7 measures the loop depth 18 or the distance between the apex 24 of the rolled strip loop 6 and a roller 21 which is opposite the apex 24.
- the measured value of the detector 7 is transmitted via connecting lines 16 of FIG.
- Control device 10 supplied.
- the control device 10 is also connected via connecting lines 16 to the rolling stands of the rolling scale 2 and the rolling stands of the finishing scale 25, and to the drivers 3, 8. It controls this drive unit so that the arc of the rolling stock loop 6 either completely on the rollers 9 of the roller table. 5
- Conveyor 10 ensures that sections 13 and 14 are compared to the central portion 11 are much larger, thereby ensuring the desired minimization of the strip tension between the rolling stands 21, 22 or between the drivers 3, 8.
- the vertical position of the rollers 9 in the roller table 5 can be fixed, or sketchy by a in Figure 1
- Drive device per roller can be adjusted.
- Gravity-induced lowering in the roller table 5 is not sufficient (which may be the case with thick belts or slabs), can be pressed by a pressure acting from top to bottom pinch roller (not shown in Figure 1) the rolling into the recess of the roller loop pit.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Control Of Metal Rolling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0073510A AT509831B1 (de) | 2010-04-30 | 2010-04-30 | Verfahren und vorrichtung zur minimierung des bandzugs eines walzgutes |
PCT/EP2011/056079 WO2011134811A2 (de) | 2010-04-30 | 2011-04-18 | Minimierung des bandzugs eines walzgutes zwischen zwei walzeinheiten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2563533A2 true EP2563533A2 (de) | 2013-03-06 |
EP2563533B1 EP2563533B1 (de) | 2014-06-25 |
Family
ID=44626152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11717524.0A Active EP2563533B1 (de) | 2010-04-30 | 2011-04-18 | Minimierung des bandzugs eines walzgutes zwischen zwei walzeinheiten |
Country Status (8)
Country | Link |
---|---|
US (1) | US9694403B2 (de) |
EP (1) | EP2563533B1 (de) |
KR (1) | KR101458757B1 (de) |
CN (1) | CN102869460B (de) |
AT (1) | AT509831B1 (de) |
BR (1) | BR112012027861B1 (de) |
RU (1) | RU2538436C2 (de) |
WO (1) | WO2011134811A2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT509831B1 (de) | 2010-04-30 | 2012-03-15 | Siemens Vai Metals Tech Gmbh | Verfahren und vorrichtung zur minimierung des bandzugs eines walzgutes |
EP2998040A1 (de) | 2014-09-17 | 2016-03-23 | Primetals Technologies Germany GmbH | Breiteneinstellung bei einer Fertigstraße |
US10618091B2 (en) | 2014-12-30 | 2020-04-14 | Primetals Technologies Germany Gmbh | Rolling of rolling material with tension change at the rolling of the tail end of the rolling material |
JP6558306B2 (ja) * | 2016-06-02 | 2019-08-14 | 東芝三菱電機産業システム株式会社 | 長尺材形状推定方法およびカテナリ制御システム |
EP3409388A1 (de) | 2017-06-02 | 2018-12-05 | Primetals Technologies Austria GmbH | Vorrichtung zur führung von metallbändern mit schleisskörpern in einer fertigstrasse |
CN110142295B (zh) * | 2019-07-02 | 2024-03-29 | 嘉兴市集珵机械有限公司 | 分段式轧机 |
DE102019132133A1 (de) * | 2019-11-27 | 2021-05-27 | Muhr Und Bender Kg | Anlage und verfahren zum flexiblen walzen von metallischem bandmaterial |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2394824A (en) * | 1941-06-07 | 1946-02-12 | Mckay Machine Co | Apparatus for feeding metal strip to metal working presses |
US3628367A (en) * | 1969-12-12 | 1971-12-21 | Littell Machine Co F J | Scroll cutting and slitting machine with tension control means |
US3722251A (en) * | 1971-12-17 | 1973-03-27 | Machinery Prod Corp | Apparatus and method for leveling metal strip |
US3811304A (en) * | 1972-09-20 | 1974-05-21 | Gen Electric | Looper controlled rolling mill |
JPS5545585A (en) * | 1978-09-27 | 1980-03-31 | Mitsubishi Electric Corp | Tension control device of rolling mill |
JPS6234613A (ja) * | 1985-08-09 | 1987-02-14 | Kobe Steel Ltd | 条材の圧延制御方法 |
JPH01278905A (ja) * | 1988-04-28 | 1989-11-09 | Toshiba Corp | 連続圧延機の張力制御装置 |
RU2048938C1 (ru) * | 1993-01-14 | 1995-11-27 | Акционерное общество "Новолипецкий металлургический комбинат" | Устройство для контроля распределения натяжения по ширине прокатываемой полосы |
JPH08763B2 (ja) | 1993-02-09 | 1996-01-10 | 大成歯科工業株式会社 | 歯科用埋没材 |
DE4321230A1 (de) * | 1993-06-25 | 1995-03-02 | Siemens Ag | Vorrichtung zum meßtechnischen Erfassen des Bandzuges bei Bandwalzstraßen |
DE4407981A1 (de) * | 1994-03-10 | 1995-09-14 | Schloemann Siemag Ag | Verfahren und Vorrichtung zur geregelten Bildung von Walzgut-Schlingen |
JPH07265930A (ja) * | 1994-03-31 | 1995-10-17 | Toshiba Corp | ルーパ張力制御装置 |
JPH08157109A (ja) * | 1994-12-07 | 1996-06-18 | Ricoh Co Ltd | 用紙搬送装置及び複写機 |
DE19543605A1 (de) * | 1995-11-23 | 1997-05-28 | Schloemann Siemag Ag | Verfahren zur Querschnittsregelung von Walzgut |
JP3531360B2 (ja) | 1996-06-18 | 2004-05-31 | Jfeスチール株式会社 | 圧延中にワークロールシフトを行う板材の冷間圧延方法 |
KR100544781B1 (ko) * | 1997-11-26 | 2006-01-23 | 이시카와지마-하리마 주고교 가부시키가이샤 | 열연강판의 제조설비 및 열연강판의 제조방법 |
RU2126304C1 (ru) * | 1998-02-25 | 1999-02-20 | Открытое акционерное общество "Магнитогорский металлургический комбинат" | Устройство автоматической настройки скоростей смежных клетей широкополосного стана горячей прокатки по заданному межклетевому натяжению полосы и величине петли |
KR100721918B1 (ko) * | 2001-08-23 | 2007-05-28 | 주식회사 포스코 | 보조 롤을 이용한 냉연판 형상개선장치 및 그 방법 |
DE10206243A1 (de) * | 2002-02-15 | 2003-08-28 | Sms Demag Ag | Verfahren zum Endloswalzen eines im Querschnitt als Dünnbramme bemessenen, mit Gießgeschwindigkeit erzeugten Metallstrangs, insbesondere eines Stahlstrangs, und zugehörige Stranggießmaschine |
CN2576364Y (zh) * | 2002-09-19 | 2003-10-01 | 中国第二重型机械集团公司 | 分节辊活套 |
DE102007059185B4 (de) * | 2007-01-15 | 2011-04-07 | Sms Meer Gmbh | Verfahren und Vorrichtung zur Messung der Geradheit von Langprodukten |
DE102007031333A1 (de) | 2007-07-05 | 2009-01-15 | Siemens Ag | Walzen eines Bandes in einer Walzstraße unter Nutzung des letzen Gerüsts der Walzstraße als Zugverringerer |
CN101518787B (zh) * | 2009-02-13 | 2012-07-18 | 燕山大学 | 板形检测与板形仪性能综合测试平台 |
AT509831B1 (de) | 2010-04-30 | 2012-03-15 | Siemens Vai Metals Tech Gmbh | Verfahren und vorrichtung zur minimierung des bandzugs eines walzgutes |
-
2010
- 2010-04-30 AT AT0073510A patent/AT509831B1/de active
-
2011
- 2011-04-18 WO PCT/EP2011/056079 patent/WO2011134811A2/de active Application Filing
- 2011-04-18 RU RU2012151275/02A patent/RU2538436C2/ru active
- 2011-04-18 BR BR112012027861-4A patent/BR112012027861B1/pt active IP Right Grant
- 2011-04-18 EP EP11717524.0A patent/EP2563533B1/de active Active
- 2011-04-18 KR KR1020127031512A patent/KR101458757B1/ko active IP Right Grant
- 2011-04-18 CN CN201180021820.3A patent/CN102869460B/zh active Active
- 2011-04-18 US US13/695,391 patent/US9694403B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2011134811A2 (de) | 2011-11-03 |
AT509831A1 (de) | 2011-11-15 |
US20130074557A1 (en) | 2013-03-28 |
CN102869460B (zh) | 2016-01-20 |
BR112012027861B1 (pt) | 2020-12-08 |
EP2563533B1 (de) | 2014-06-25 |
KR20130038263A (ko) | 2013-04-17 |
RU2012151275A (ru) | 2014-06-10 |
BR112012027861A2 (pt) | 2016-08-09 |
AT509831B1 (de) | 2012-03-15 |
RU2538436C2 (ru) | 2015-01-10 |
WO2011134811A3 (de) | 2011-12-29 |
CN102869460A (zh) | 2013-01-09 |
US9694403B2 (en) | 2017-07-04 |
KR101458757B1 (ko) | 2014-11-07 |
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