WO2012083915A2 - Dynamisches element für die trenneinrichtung einer rührwerkskugelmühle - Google Patents
Dynamisches element für die trenneinrichtung einer rührwerkskugelmühle Download PDFInfo
- Publication number
- WO2012083915A2 WO2012083915A2 PCT/DE2011/002060 DE2011002060W WO2012083915A2 WO 2012083915 A2 WO2012083915 A2 WO 2012083915A2 DE 2011002060 W DE2011002060 W DE 2011002060W WO 2012083915 A2 WO2012083915 A2 WO 2012083915A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- separating device
- ball mill
- dynamic element
- agitator ball
- grinding container
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
- B02C17/184—Discharging devices combined with sorting or separating of material with separator arranged in discharge path of crushing zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
- B02C17/161—Arrangements for separating milling media and ground material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
- B02C17/163—Stirring means
Definitions
- the present invention relates to a separator with a dynamic element for agitator ball mills.
- German Patent Application DE 10 2007 043 670 A1 discloses a stirred ball mill with a cylindrical grinding container, wherein a stirring shaft connected to a drive is arranged in the grinding container.
- the agitator shaft transmits part of the drive energy to the grinding auxiliary bodies, which are arranged loosely in the grinding container.
- a spiral separator is arranged before the Mahlgutauslass.
- European patent application EP 1 468 739 A1 discloses a continuous agitating ball mill for fine grinding and fine grinding of a material with a cylindrical or conical grinding chamber for receiving grinding bodies. At one end of the grinding chamber an opening into the interior of the grinding chamber Gut inlet is arranged. At the other end of the grinding chamber, a good outlet leading out of the interior is placed. Furthermore, a plurality of stirring elements exhibiting and coaxial with the chamber axis agitator is present. In front of the good outlet is a separately driven separation system that separates the grinding media from the milled material and conveys it back into the interior of the grinding chamber.
- the separation system is formed from a separating member having two coaxial with the chamber axis arranged circular discs.
- the wing elements Between the circular discs several, symmetrically distributed around the disk center point, as well as from the disk edge inwardly leading conveyor or wing elements are arranged.
- the wing elements generate a back pressure on the good-Mahl Sciences-Ge mixture, so that due to the centrifugal force and the different specific gravity, the grinding media separated from the product and transported back into the interior.
- European Patent EP 0 627 262 B1 discloses a continuous agitator ball mill for fine grinding and fine grinding of a material.
- This agitator ball mill is equipped with a cylindrical or conical, for Provided recording of Mahl stresses serving grinding chamber. At one end of the grinding chamber a Mahlguteinlass is arranged, which opens into the interior of the grinding chamber. At the other end of the grinding chamber a Mahlgutauslass is arranged, which leads out of the interior.
- the agitator ball mill has stirring elements and an agitator which moves coaxially with respect to the grinding chamber axis for moving the grinding bodies, wherein the stirring elements are formed as paddlewheel or propeller-like and have a plurality of conveying elements.
- a circular disc is arranged in each case, wherein at least one of the two discs has at least one central opening.
- the stirrers are configured and dimensioned such that, during operation of the agitator ball mill, a portion of the mixture continuously flows past the rim of the disk having the central opening, radially inward toward the central opening. From there, the mixture flows back into the space between the discs. As a result, a uniform axial distribution of the grinding media in the interior of the grinding chamber is maintained.
- the invention has for its object to provide a separation device with which the discharge of Mahlös stresses from a stirred ball mill is avoidable bar.
- a further object of the invention is to provide a method with which the discharge of auxiliary grinding bodies from a stirred ball mill can be avoided.
- the grinding container has at least one Mahlguteinlass and at least one
- Mahlgutauslass on.
- the agitator shaft transmits part of the drive energy of the Drive on the Mahltos emotions.
- Mahltosterrorism are loosely distributed in the grinding container.
- the agitator ball mill has a separation device associated with the Mahlgutauslass, wherein the separating device is arranged about an axis of rotation and / or rotates about this axis of rotation.
- the separating device consists of at least two components, of which one component is at least one separating device and a second component is a dynamic element for generating a material flow.
- the dynamic element is provided with radially extending channels or wings.
- the agitator shaft of the agitator ball mill is provided with a cage.
- the dynamic element of the separator is arranged at a distance from an end portion of the grinding container.
- the distance between the element and the end part is adjustable from 0.5 mm to 30 mm. In a preferred embodiment, the distance between 2 mm and 15 mm is variable. Furthermore, the distance in the preferred embodiment is axially adjustable to the stirring shaft. The adjustment of the distance is used to adapt to different sized Mahltoselasticity.
- the surface of the dynamic element and the end part of the grinding container are arranged conically with each other.
- the angle between the axis of rotation and the surface of the element or between the axis of rotation and the end part is designed in the range of 5 ° to 85 °. In a preferred embodiment, the angle has a value of 15 ° to 80 °.
- the value for the ratio of the length of the separator to the stirring length is in the range between 1: 1, 1 and 1: 2. Depending on how the separating device is designed, the value for the ratio can also be in the range between 1: 1, 3 and 1: 1, 7.
- the ratio of the outer diameter of the separator to the inner diameter of the cage is in a value range of 1: 1, 05 to 1: 2.
- the ratio of the outer diameter of the separator to the outer diameter of the end portion of the grinding container for the function of the separator is important. This ratio is in a range between 1: 1 and 1: 1, 2.
- the cage is driven by the stirrer shaft. Furthermore, a separate
- the separator may be a sieve, a sieve cartridge or a spiral. From the prior art, many separation devices for agitator known ball mills. These known separation devices can also be combined with the dynamic element according to the invention.
- a method for operating a stirred ball mill with a separating device is disclosed.
- a separating device is used, which consists of at least two components, wherein at least one separating device is combined with at least one dynamic element for generating a flow of material.
- the dynamic element creates a flow between the outlet and the inlet of the separator.
- the separating device and the dynamic element are driven together and / or independently of each other, as well as coupled to the stirring shaft or decoupled from this.
- the pressure created by the circulation flow is higher in the transition area to the cage than at the end of the separator.
- the rotational movement of the dynamic element produces a material flow which is directed radially from the axis of rotation to the agitator shaft.
- Fig. 1 shows the schematic structure of a stirred ball mill according to the invention with a spiral separator.
- Fig. 2 shows the schematic structure of a stirred ball mill according to the invention, wherein the main separating device is a screen cartridge.
- Figures 3a and 3b show the length and diameter ratios of different divider configurations.
- Fig. 4 shows the schematic structure of a dynamic element.
- FIGS. 5 and 6 show schematically possible embodiments of the dynamic element.
- FIG. 1 shows the schematic structure of an agitating ball mill 20 according to the invention with a separating device 30.
- the agitating ball mill 20 shown consists of a grinding container 22 which is provided with a grinding material inlet 24 and a grinding material outlet 26.
- a stirring shaft 28 is arranged centrally.
- the separator 30 is arranged within the stirring shaft 28, the separator 30 is arranged.
- the part of the stirring shaft 28 which encloses the separating device 30 is referred to as a cage 44.
- This cage 44 may have axial recesses 45 or the like so that, for example, auxiliary grinding bodies can pass back into the grinding container 22 through these axial recesses 45.
- the separating device 31 is designed in a spiral shape.
- the separator 31 is associated with a dynamic element 32 for generating a flow of material.
- the dynamic element 32 is positioned at a distance a from the end portion 27 of the grinding container 22.
- the gap 42 defined as the distance a, the material to be ground can flow between the dynamic element 32 and the end part 27.
- the material flow is generated by a rotational movement of the element 32 about the axis of rotation 29 around.
- FIG. 2 shows the schematic structure of an agitating ball mill 20 according to the invention, wherein the separating device 31, 30 is a sieve 44 or a sieve cartridge 44.
- the separator 31 is coupled to a dynamic element 32 for generating a flow of material.
- FIG. 3 a shows the length and diameter ratios of different divider configurations.
- FIG. 3 a is an agitator ball Mill 20 shown with a long separator 31.
- FIG. 3b shows an agitating ball mill 20 with a short separating device 31.
- the separating device 30 is surrounded by the stirring shaft 28.
- the lengthwise divider 31 joins the lengthwise dynamic element 32.
- the stirring shaft 28 is significantly longer in length L than the lengthwise divider 30.
- the gap width 42 is determined by the distance a, which can be adjusted depending on the configuration of the agitator ball mill 20 and the size of the auxiliary grinding bodies (not shown)
- the dynamic element 32 it is important that the dynamic element 32 and the Furthermore, it can be seen that the inner diameter D of the agitator shaft 28 is minimally larger than the outer diameter d of the separating device 30.
- the outer diameter d 'of the end part However, 27 is significantly smaller than the inner diameter D of the stirring shaft 28th
- FIG. 3b is identical to FIG. 3a except for the length of the separator 30 and its various components.
- the length I of the separating device 30 is composed of the length I 'of the separating device 31 and of the length I "of the dynamic element 32.
- the length L of the stirring shaft 28 is less than the length I of Separator 30.
- the end portion 27 is only slightly superimposed by the agitator shaft 28.
- FIG. 4 shows the schematic structure of a dynamic element 32 for generating a material flow.
- the element 32 is constructed such that it is rotationally symmetrical about the axis of rotation 29.
- the contact side 36 of the element 32 is in the installed state with a separator (not shown) in operative connection.
- Ground material is sucked out of the separating device via a central bore 33 and discharged radially outward via the channels 34, again in the flow direction 37.
- the ground material flow can emerge from the element 32.
- the conical design of the active surface 38 of the element 32 is clear recognizable.
- the cross section of the element decreases towards the end part (not shown).
- FIGS. 5 and 6 show schematically possible embodiments of the dynamic element 32.
- FIG. 5 shows a dynamic element 32 in a frontal view.
- the channels 34 for generating a flow of material extend in an arcuate line from the central bore 33 to the outside to the active surface 38 of the element 32nd
- FIG. 6 shows a further embodiment of a dynamic element 32.
- the channels 34 extend from the central bore 33 radially outwards to the active surface 38.
- the short channels 35 are concealed in the region of the central bore 33 by the material of the element 32. Due to the conical configuration of the element 32, these short channels 35 only emerge in the vicinity of the contact side (not shown).
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013541206A JP5875595B2 (ja) | 2010-12-04 | 2011-12-01 | 攪拌型ボールミルにおける分離ユニット用のダイナミック素子 |
RU2013130294/13A RU2555915C2 (ru) | 2010-12-04 | 2011-12-01 | Динамический элемент для разделительного узла шаровой мельницы с мешалкой |
KR1020137017394A KR101769656B1 (ko) | 2010-12-04 | 2011-12-01 | 교반기 볼 밀의 분리 장치를 위한 동적 요소 |
EP11833565.2A EP2646160B1 (de) | 2010-12-04 | 2011-12-01 | Dynamisches element für die trenneinrichtung einer rührwerkskugelmühle |
BR112013013770A BR112013013770B8 (pt) | 2010-12-04 | 2011-12-01 | moinho agitador de esferas e processo para a operação de um moinho agitador de esferas |
CN201180058459.1A CN103298561B (zh) | 2010-12-04 | 2011-12-01 | 用于搅拌式球磨机的分离装置的动态元件 |
US13/907,477 US8794558B2 (en) | 2010-12-04 | 2013-05-31 | Dynamic element for the separating device of a stirring ball mill |
US14/062,378 US8876028B2 (en) | 2010-12-04 | 2013-10-24 | Method for operating an agitator ball mill |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010053484A DE102010053484A1 (de) | 2010-12-04 | 2010-12-04 | Dynamisches Element für die Trenneinrichtung einer Rührwerkskugelmühle |
DE102010053484.6 | 2010-12-04 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/907,477 Continuation US8794558B2 (en) | 2010-12-04 | 2013-05-31 | Dynamic element for the separating device of a stirring ball mill |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2012083915A2 true WO2012083915A2 (de) | 2012-06-28 |
WO2012083915A3 WO2012083915A3 (de) | 2012-08-23 |
WO2012083915A4 WO2012083915A4 (de) | 2012-10-26 |
Family
ID=45954248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2011/002060 WO2012083915A2 (de) | 2010-12-04 | 2011-12-01 | Dynamisches element für die trenneinrichtung einer rührwerkskugelmühle |
Country Status (9)
Country | Link |
---|---|
US (2) | US8794558B2 (de) |
EP (1) | EP2646160B1 (de) |
JP (1) | JP5875595B2 (de) |
KR (1) | KR101769656B1 (de) |
CN (1) | CN103298561B (de) |
BR (1) | BR112013013770B8 (de) |
DE (1) | DE102010053484A1 (de) |
RU (1) | RU2555915C2 (de) |
WO (1) | WO2012083915A2 (de) |
Families Citing this family (22)
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DE102013111762A1 (de) | 2013-07-08 | 2015-01-08 | Netzsch-Feinmahltechnik Gmbh | Rührwerkskugelmühle mit Axialkanälen |
DE102013108809A1 (de) | 2013-08-14 | 2015-02-19 | Netzsch-Feinmahltechnik Gmbh | Trennvorrichtung für eine kugelmühle oder rührwerkskugelmühle sowie kugelmühle oder rührwerkskugelmühle mit trennvorrichtung |
DE102013021757A1 (de) * | 2013-12-20 | 2015-06-25 | Netzsch Trockenmahltechnik Gmbh | Maschine mit fliegend gelagertem Rotor |
CN103657802B (zh) * | 2013-12-31 | 2016-08-17 | 深圳市博亿化工机械有限公司 | 搅拌式研磨装置 |
DE102014101165A1 (de) * | 2014-01-30 | 2015-07-30 | Netzsch-Feinmahltechnik Gmbh | Vorrichtung zum zerkleinernden bearbeiten von feststoffen oder suspensionen mit feststoffanteilen und verfahren zum starten eines zerkleinerungsprozesses einer mahlvorrichtung |
EP2905080A1 (de) * | 2014-02-07 | 2015-08-12 | Willy A. Bachofen AG | Rührwerkskugelmühle |
CN104001446B (zh) * | 2014-05-01 | 2016-05-11 | 铜陵创慧科技咨询服务有限公司 | 一种组装式涡轮旋转分散器 |
DE102015105804A1 (de) * | 2015-04-16 | 2016-10-20 | Netzsch-Feinmahltechnik Gmbh | Rührwerkskugelmühle |
WO2016165917A1 (de) | 2015-04-17 | 2016-10-20 | Bühler AG | Vorrichtung und verfahren zum mischen, insbesondere zum dispergieren |
DE102015107789B3 (de) | 2015-05-19 | 2016-07-07 | Netzsch-Feinmahltechnik Gmbh | Rührwerkskugelmühle und Verfahren zum Betreiben einer Rührwerkskugelmühle |
CN104888900B (zh) * | 2015-06-10 | 2019-11-01 | 博亿(深圳)工业科技有限公司 | 新型分散研磨装置 |
CN105214790B (zh) * | 2015-09-22 | 2018-06-08 | 广东派勒智能纳米科技股份有限公司 | 智能纳米动态离心旋转分离装置 |
EP3229950B1 (de) | 2016-02-17 | 2018-07-18 | Bühler AG | Vorrichtung zum mischen, insbesondere zum dispergieren |
WO2017193267A1 (zh) * | 2016-05-09 | 2017-11-16 | 占天义 | 搅拌式研磨分离器及研磨装置 |
CN105880001B (zh) * | 2016-05-09 | 2023-07-04 | 博亿(深圳)工业科技有限公司 | 搅拌式研磨分离器、研磨分离装置及研磨装置 |
PL3311921T3 (pl) * | 2016-10-18 | 2019-03-29 | Willy A. Bachofen Ag | Młyn kulowy z mieszadłem |
DE102017201418B3 (de) * | 2017-01-30 | 2018-06-28 | Netzsch-Feinmahltechnik Gmbh | Rührwerksmühle |
EP3536406A1 (de) * | 2018-03-07 | 2019-09-11 | Bühler AG | Rührwerksmühle |
DE102018123096B4 (de) * | 2018-09-20 | 2022-01-27 | Netzsch Feinmahltechnik Gmbh | Rührwerkskugelmühle und Verfahren zum Betreiben einer Rührwerkskugelmühle |
DE102021101527B4 (de) | 2021-01-25 | 2023-05-17 | Wilhelm Niemann Gmbh & Co. | Rührwerksmühle |
CN113289731B (zh) * | 2021-05-20 | 2023-07-18 | 博亿(深圳)工业科技有限公司 | 一种多种分散速度的研磨系统及方法 |
CN114247525B (zh) * | 2021-12-02 | 2022-12-20 | 广西西陇化工有限公司 | 一种钛白粉生产用研磨设备 |
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EP0627262B1 (de) | 1993-06-01 | 1999-03-24 | Willy A. Bachofen AG | Zum Fein- und Feinstmahlen eines Gutes dienende, kontinuierlich arbeitende Rührwerkskugelmühle |
EP1468739A1 (de) | 2003-04-15 | 2004-10-20 | Willy A. Bachofen AG | Rührwerkskugelmühle |
DE102007043670A1 (de) | 2007-09-13 | 2009-04-02 | Netzsch-Feinmahltechnik Gmbh | Rührwerkskugelmühle |
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DE3631375A1 (de) * | 1986-09-15 | 1988-03-24 | Netzsch Maschinenfabrik | Ruehrwerksmuehle |
DE3844380C1 (en) * | 1988-12-30 | 1990-01-18 | Erich Netzsch Gmbh & Co Holding Kg, 8672 Selb, De | Agitator mill with separating device in a rotating cage |
DE4307083B4 (de) * | 1993-03-06 | 2007-07-12 | Zoz Maschinenbau Gmbh | Vorrichtung zur Feinstmahlung von Feststoffen |
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DE4329339A1 (de) * | 1993-08-31 | 1995-03-02 | Fryma Masch Ag | Rührwerksmühle |
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DE19613366A1 (de) * | 1996-04-03 | 1997-10-09 | Goldschmidt Ag Th | Vorrichtung zur Behandlung von Suspensionen |
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JP3628559B2 (ja) * | 1999-08-12 | 2005-03-16 | 太陽誘電株式会社 | ビーズミル |
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CN201596542U (zh) * | 2009-12-29 | 2010-10-06 | 雷立猛 | 盘式砂磨机的动态离心出料系统 |
CN201596544U (zh) * | 2010-01-11 | 2010-10-06 | 雷立猛 | 纳米级大流量棒销式砂磨机 |
-
2010
- 2010-12-04 DE DE102010053484A patent/DE102010053484A1/de not_active Withdrawn
-
2011
- 2011-12-01 JP JP2013541206A patent/JP5875595B2/ja active Active
- 2011-12-01 EP EP11833565.2A patent/EP2646160B1/de active Active
- 2011-12-01 BR BR112013013770A patent/BR112013013770B8/pt active IP Right Grant
- 2011-12-01 RU RU2013130294/13A patent/RU2555915C2/ru not_active IP Right Cessation
- 2011-12-01 CN CN201180058459.1A patent/CN103298561B/zh active Active
- 2011-12-01 WO PCT/DE2011/002060 patent/WO2012083915A2/de active Application Filing
- 2011-12-01 KR KR1020137017394A patent/KR101769656B1/ko active IP Right Grant
-
2013
- 2013-05-31 US US13/907,477 patent/US8794558B2/en active Active
- 2013-10-24 US US14/062,378 patent/US8876028B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0627262B1 (de) | 1993-06-01 | 1999-03-24 | Willy A. Bachofen AG | Zum Fein- und Feinstmahlen eines Gutes dienende, kontinuierlich arbeitende Rührwerkskugelmühle |
EP1468739A1 (de) | 2003-04-15 | 2004-10-20 | Willy A. Bachofen AG | Rührwerkskugelmühle |
DE102007043670A1 (de) | 2007-09-13 | 2009-04-02 | Netzsch-Feinmahltechnik Gmbh | Rührwerkskugelmühle |
Also Published As
Publication number | Publication date |
---|---|
BR112013013770A2 (pt) | 2016-09-13 |
BR112013013770B1 (pt) | 2020-07-14 |
KR101769656B1 (ko) | 2017-08-18 |
EP2646160A2 (de) | 2013-10-09 |
US20130264402A1 (en) | 2013-10-10 |
CN103298561A (zh) | 2013-09-11 |
CN103298561B (zh) | 2015-08-26 |
WO2012083915A3 (de) | 2012-08-23 |
US20140048632A1 (en) | 2014-02-20 |
US8876028B2 (en) | 2014-11-04 |
US8794558B2 (en) | 2014-08-05 |
WO2012083915A4 (de) | 2012-10-26 |
BR112013013770B8 (pt) | 2020-11-24 |
JP2013544187A (ja) | 2013-12-12 |
KR20130135279A (ko) | 2013-12-10 |
EP2646160B1 (de) | 2016-02-03 |
RU2013130294A (ru) | 2015-01-10 |
JP5875595B2 (ja) | 2016-03-02 |
DE102010053484A1 (de) | 2012-06-06 |
RU2555915C2 (ru) | 2015-07-10 |
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