EP1125625A2 - Homogenisator - Google Patents
Homogenisator Download PDFInfo
- Publication number
- EP1125625A2 EP1125625A2 EP01103854A EP01103854A EP1125625A2 EP 1125625 A2 EP1125625 A2 EP 1125625A2 EP 01103854 A EP01103854 A EP 01103854A EP 01103854 A EP01103854 A EP 01103854A EP 1125625 A2 EP1125625 A2 EP 1125625A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- homogenizer
- rotatable element
- housing
- homogenizer according
- 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
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
- B01F27/271—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/40—Mixers with rotor-rotor system, e.g. with intermeshing teeth
- B01F27/41—Mixers with rotor-rotor system, e.g. with intermeshing teeth with the mutually rotating surfaces facing each other
- B01F27/411—Mixers with rotor-rotor system, e.g. with intermeshing teeth with the mutually rotating surfaces facing each other provided with intermeshing elements
Definitions
- the invention relates to a homogenizer for homogenizing flowable substances, with a rotatably mounted in a housing and by means of a drive device drivable rotor.
- homogenizers are used, for example, in cosmetic, pharmaceutical or chemical industry in the manufacture of creams, ointments, pastes or the like. Used.
- the homogenizer is e.g. B. at the lowest point of a container arranged and homogenized and / or dispersed the flowable material by the rotor together with a stationary stator shear forces on the fabric applies.
- the homogenizer could also be placed separately next to one or between two Container (s) must be placed.
- the homogenized substance can either be returned to the Containers or be promoted to a bottling plant.
- Homogenization can be carried out essentially with known homogenizers by varying the speed of the rotor compared to the fixed stator or by influence the specific design of the rotor and / or the stator.
- Speed is the shear effect and also the conveying effect of the homogenizer larger than at low speeds.
- a disadvantage of the known homogenizers is that the shear effect and the promotional effect are directly related are coupled. In addition, it is for achieving high shear and Speeds of the rotor necessary, the drive devices and drive motors to interpret accordingly complex.
- Another disadvantage is that if the engine speed is too high, the The shear effect becomes so great that the substance to be homogenized is disadvantageous influenced or possibly even damaged.
- the object of the present invention is to provide a homogenizer with which the homogenization effect can be influenced in a structurally simple manner and the shear effect and the pump effect to the respective requirements are customizable.
- the invention solves this problem with the homogenizer of the type mentioned by a rotatably mounted in the housing and by means of a drive device Independently driven element for homogenization and / or Conveying the flowable material.
- the advantages of the invention consist essentially in that additional element which can be driven separately and independently of the rotor, the homogenization and funding influenced in many ways and to the respective Production requirements can be adjusted. Especially by hiring and varying the relative speed of the rotatable member relative to the rotor the shear effect of the rotor and the rotatable element on the fabric to adjust.
- the rotatable element can be in the same direction or counter to the rotor are driven to steer the shear continuously within large areas to be able to vary.
- the shear effect can be independent of the Delivery rate (i.e. the delivery rate of the substance) can be varied.
- the pump output can be kept constant at a speed-dependent value be while the shear action with rotation of the rotatable element the same or approximately the same speed of rotation in the same direction of rotation goes to zero.
- the maximum shear effect one essential for the same shear effect lower absolute speed of rotation is necessary compared to conventional Homogenizers. Accordingly, the drives of the invention Homogenizer can be designed for lower speeds.
- the rotatable element is a pump wheel several pump blades to be able to achieve high pumping capacities, while the rotor essentially produces the shear effect of the homogenizer.
- the rotatable Element is designed in the manner of a stator or a rotor with wings.
- a stator or a rotor with wings Here is basically a homogenizer with a "rotating stator", in order to be able to produce the maximum shear effect described above.
- rotatable element and the rotor with two coaxially arranged to each other Drive shafts coupled to drive the rotatable element or the rotor are.
- This structurally simple solution is space-saving.
- To reduce the Weight and material costs is one of the two drive shafts preferred designed as a hollow shaft.
- the storage of the drive shafts is expediently designed so that the inner drive shaft is mounted in the outer shaft by means of roller bearings and outer shaft is in turn mounted in a housing.
- a structurally simple design of the rotor and the rotatable element sees before that the rotor and / or the rotatable member one with the associated one Drive shaft coupled base plate from which the wings project axially, that the axes of rotation of the drive shafts in operation are essentially vertical is arranged and that the shafts are driven by means of a toothed belt become.
- a toothed belt chains, V-belts, friction wheels, Gears or the like can be used.
- the shearing action and the pumping action can thereby be varied in a simple manner that the drive motors of the rotor and the rotatable element so are controllable that rotor and rotatable element with adjustable relative speeds are rotatable in the same direction or in opposite directions or alternatively either the rotor or the rotatable member are driven while the each other component stands still.
- the housing of the Homogenizer an inlet opening through which flowable material from a Container can flow axially into the interior, and an outlet opening through which the homogenized flowable substance is essentially radial and / or flows tangentially out of the housing, and that two with the exit opening return lines communicating with the housing are provided, due to the flowable substance depending on the position of a control valve different places in the container is traceable.
- the housing of the Homogenizer an inlet opening through which flowable material from a Container can flow axially into the interior, and an outlet opening through which the homogenized flowable substance is essentially radial and / or flows tangentially out of the housing, and that two with the exit opening return lines communicating with the housing are provided, due to the flowable substance depending on the position of a control valve different places in the container is traceable.
- material in the top of the container or near the homogenizer again be recycled, what small amounts of a substance to be homogenized is appropriate.
- the shear effect can be further optimized by the fact that additional, stationary Stator teeth are arranged on a housing of the homogenizer.
- the homogenizer shown in Figures 1 to 3 consists essentially of a rotor 4 mounted in a housing 2, also within the Housing 2 arranged rotatable element 6 for homogenizing and / or Convey and a drive device 8, the rotor 4 and independently of it drives the rotatable member 6.
- the homogenizer is by means of a housing or adapter 10 on an agitator tank or the like.
- the wall 12 shown is so attachable that a flowable from the interior of the agitator tank Material axially through an inlet opening 14 into the interior 16 of the homogenizer, d. H. can flow in the direction of a longitudinal axis 18.
- the housing 2 In the housing 2 is a circumferential channel 20 formed, the outlet opening, not shown which communicates with a return line 22 through which the flowable substance either in the container in the lower area or in the upper Area is traceable.
- the substance can be transported to a bottling plant become.
- the homogenizer can be set up separately from a container become.
- the rotor 4 has a circular base plate 24 (see FIG. 2) and several wings 26, 28 projecting axially from the base plate 24, the plurality Wings 26 spaced apart from one another along an inner circular line and the wings 28 spaced apart along an outer concentric circular line are.
- the wings 26 are designed in a manner known per se so that the homogenizing material captured by the wings 26 and radially outwards (referred to the longitudinal axis 18) transported and with shear forces is applied.
- the base plate is for driving and rotating the wings 26, 28 24 coupled to an inner drive shaft 30.
- the rotatable element 6 is in the embodiment as a pump wheel with several axially pump blade protruding from a further disk-shaped base plate 32 34 formed which are concentric along a relative to the blades 26, 28 Run in a circle and are designed in a manner known per se so that the flowable material with a relatively high pumping capacity through the homogenizer in the Channel 20 is promoted.
- the base plate 32 is in one piece with a concentric to the drive shaft 30 arranged outer drive shaft 36, which is a hollow shaft is formed, coupled.
- the base plates 24 and 32 are essentially arranged parallel to each other.
- stator 38 To increase the homogenization and / or dispersion effect of the homogenizer are several on the housing 2 axially inward into the interior 16 protruding stator elements or rings forming a stator 38 are provided, the are multi-stage, two-stage in the exemplary embodiment. Inner stator elements are seen in the radial direction between the blades 26 and 28 arranged and further stator elements are between the blades 28 and Pump blades 34 of the rotatable element 6 placed.
- the drive device 8 with which the rotor 4 and the rotatable element 6 can be driven independently of each other, is based on the figures 1 and 3 explained.
- the drive shafts 30, 36 can with the help of at the end portions attached toothed wheels 40 and 42, toothed belts 44 and 46, gearboxes 48, 50 and Electric motors 50, 54 thus with adjustable speeds in both directions of rotation are driven that the rotor 4 and the rotatable element 6 in the same direction or rotate in opposite directions.
- the rotor 4 or the rotatable element 6 can also be be stopped while the other component is rotating.
- the gear 48, 50 and Electric motors 52, 54 can be offset or rotated about longitudinal axes 56, 58 to be ordered.
- the outer drive shaft 36 is by means of two bearings 60, 62, which are Rolling or plain bearing is in a housing 64 which is attached to the Housing 2 of the homogenizer is flanged.
- the base plate 32 of the rotatable Elements 6 with its pump blades 34 is with an upper end portion Drive shaft 36 connected in a rotationally rigid manner with the aid of screws 66; Of course could instead of the screws other fasteners or a one-piece construction can be used.
- the housing 64 is in the lower region closed with a cover 68, which also defines the bearing 62.
- the inner drive shaft 30 driving the rotor 4 is by means of two bearings 70, 72 rotatably supported in the drive shaft 36. All bearings 62, 64, 70, 72 are filled with sufficient lubricant ("self-lubricating") and with the help of Circlips and sleeves set in the specified positions.
- a - in Figure 3 - The upper ring of the mechanical seal 80 is on the inside of the drive shaft 36 attached and relatively movable to a lower ring of the mechanical seal 80, the is firmly connected to the outside of the drive shaft 30, so that no flowable material pass the mechanical seal 80 and from the interior 16 in can flow the interior of the housing 64.
- the homogenizer is designed similarly to that described above Embodiment, so that to avoid repetition on the above Descriptions are referred to in full and hereinafter only Differences are described.
- the rotor 4 is driven by the drive shaft 30, Timing belt 44 and gear 48 and drive motor 52 driven.
- the rotatable Element 2 is by means of the outer drive shaft 36, toothed belt 46, gear 50 and drive motor 54 driven independently of the rotor 4.
- the rotatable Element 2 is with outer pump blades 34 attached to base plate 32 provided, which merge into a radially inwardly directed upper washer 82, from which axially projecting towards the base plate 24 in the manner of a Stator-shaped wing or stator elements 84 are formed, which between the pump vanes 34 and the vanes 28 or between the vanes 26 and 28 are arranged and increase the shear effect.
- the stator elements 84 are rotatable together with the rotatable element 2 and the pump blades 34. There the blades 84 are constructed in the manner of a conventional stator and these are rotatable, can also be spoken of a "dynamic stator".
- the further exemplary embodiment described with reference to FIG. 5 is similar to that above-described embodiments also, so that the above Descriptions are referred to and only differences below are described.
- the rotor 4 which can be driven by the drive shaft 30 has a plurality of webs 86 fastened to the base plate 24, with a circular disk 88 are connected. From the circular disk 88 protrude axially inward kind of a stator trained stator elements 90 from about the longitudinal axis 18th are rotatable.
- the rotatable element 2, which is coupled to the drive shaft 36 has blades 92 designed in the manner of a rotor and also outer blades Pump blades 94 on.
- the stator elements 90 are between the pump wheel 94 and the Elements 92 arranged.
- the rotor coupled to the drive shaft 30 6 is designed in the same way as in the exemplary embodiment previously described with reference to FIG.
- the element 6 rotatable by means of the drive shaft 36 is, according to Art a stator and has axially protruding from the base plate 24 Stator elements 96.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Accessories For Mixers (AREA)
Abstract
Description
- Figur 1
- einen erfindungsgemäßen Homogenisator gemäß einem ersten Ausführungsbeispiel in einer Seitenansicht;
- Figur 2
- eine Teilschnittdarstellung des Homogenisators gemäß Figur 1;
- Figur 3
- eine weitere Teilschnittdarstellung des Homogenisators gemäß Figur 1;
- Figur 4
- ein Abschnitt eines weiteren Homogenisators gemäß eines zweiten Ausführungsbeispiels in einer Teilschnittdarstellung;
- Figur 5
- ein Abschnitt eines weiteren Homogenisators gemäß eines dritten Ausführungsbeispiels in einer Teilschnittdarstellung;
- Figur 6
- ein Abschnitt eines weiteren Homogenisators gemäß eines vierten Ausführungsbeispiels in einer Teilschnittdarstellung;
Claims (14)
- Homogenisator zum Homogenisieren fließfähiger Stoffe,
mit einem in einem Gehäuse (2) drehbar gelagerten und mittels einer Antriebseinrichtung (8) antreibbaren Rotor (4),
gekennzeichnet durch ein drehbar in dem Gehäuse gelagertes und mittels einer Antriebseinrichtung (8) unabhängig von dem Rotor antreibbares Element (6) zum Homogenisieren und/oder Fördern des fließfähigen Stoffes. - Homogenisator nach Anspruch 1,
dadurch gekennzeichnet, dass das drehbare Element (6) gleichsinnig mit oder gegensinnig zu dem Rotor (4) antreibbar ist. - Homogenisator nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass drehbare Element (6) als Pumprad mit mehreren Pumpschaufeln (34) ausgebildet ist. - Homogenisator nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass das drehbare Element (6) nach Art eines Stators oder eines Rotors mit Flügeln (84) ausgebildet ist. - Homogenisator nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass das drehbare Element (6) und der Rotor (4) mit zwei koaxial zueinander angeordneten Antriebswellen (30), (36) zum Antreiben des drehbaren Elements (6) bzw. des Rotors (4) gekoppelt sind. - Homogenisator nach Anspruch 5,
dadurch gekennzeichnet, dass wenigstens eine der beiden Antriebswellen (30), (36) als Hohlwelle ausgebildet ist. - Homogenisator nach Anspruch 6,
dadurch gekennzeichnet, dass die innere Antriebswelle (30) mittels Wälzlagern in der äußeren Antriebswelle (36) gelagert ist und die äußere Antriebswelle (36) ihrerseits in einem Gehäuse 64 gelagert ist. - Homogenisator nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass mindestens eine Wellenabdichtung, vorzugsweise eine Gleitringdichtung (78), (80) zur Abdichtung des Innenraums (16) des Gehäuses (2) des Homogenisators gegenüber der Umgebung vorgesehen ist. - Homogenisator nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass der Rotor 4 und/oder das drehbare Element 6 eine mit der zugehörigen Antriebswelle (30), (36) gekoppelte Grundplatte (24), (32) aufweist, von der die Flügel (34), (38) axial abstehen, dass die Drehachsen der Antriebswellen (30), (36) im Betrieb im wesentlichen vertikal angeordnet ist und dass die Antriebswellen mittels jeweils eines Zahnriemens (44), (46), Keilriemens oder Kette angetrieben werden. - Homogenisator nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass die Antriebsmotoren (52), (54) des Rotors (4) und des drehbaren Elements (6) so steuerbar sind, dass Rotor (4) und drehbares Element (6) mit einstellbaren Relativgeschwindigkeiten gleichsinnig oder gegenläufig drehbar sind oder wahlweise entweder der Rotor (4) oder das drehbare Element (6) angetrieben werden, während das jeweils andere Bauteil still steht. - Homogenisator nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass die Antriebsmotoren (52), (54) des Rotors (4) und des drehbaren Elements (6) so steuerbar sind, dass Rotor (4) und drehbares Element (6) jeweils in beide Drehrichtungen rotieren. - Homogenisator nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass das Gehäuse (2) des Homogenisators eine Einlassöffnung, durch die fließfähiges Material aus einem Behälter axial in den Innenraum 16 einströmen kann, und eine Ausgangsöffnung aufweist, durch die der homogenisierte fließfähige Stoff im wesentlichen radial und/oder tangential aus dem Gehäuse 2 ausströmt, und dass zwei mit der Ausgangsöffnung des Gehäuses kommunizierende Rückführungsleitungen (22) vorgesehen sind, durch die in Abhängigkeit von der Stellung eines Stellventils der fließfähige Stoff an unterschiedliche Orten in den Behälter rückführbar ist. - Homogenisator nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass zusätzliche, ortsfeste Stator- Verzahnungen (38) an dem Gehäuse (2) des Homogenisators angeordnet sind. - Homogenisator nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass eine Antriebswelle (30), (36) des Rotors 4 und/oder des drehbaren Elements 6 direkt mittels eines Antriebsmotors (52, 54) angetrieben wird.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07106354A EP1825907B1 (de) | 2000-02-18 | 2001-02-16 | Homogenisator ("Co-Twister") |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20002920U | 2000-02-18 | ||
DE20002920U DE20002920U1 (de) | 2000-02-18 | 2000-02-18 | Homogenisator |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07106354A Division EP1825907B1 (de) | 2000-02-18 | 2001-02-16 | Homogenisator ("Co-Twister") |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1125625A2 true EP1125625A2 (de) | 2001-08-22 |
EP1125625A3 EP1125625A3 (de) | 2002-01-30 |
EP1125625B1 EP1125625B1 (de) | 2007-04-18 |
Family
ID=7937511
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07106354A Expired - Lifetime EP1825907B1 (de) | 2000-02-18 | 2001-02-16 | Homogenisator ("Co-Twister") |
EP01103854A Expired - Lifetime EP1125625B1 (de) | 2000-02-18 | 2001-02-16 | Homogenisiereinrichtung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07106354A Expired - Lifetime EP1825907B1 (de) | 2000-02-18 | 2001-02-16 | Homogenisator ("Co-Twister") |
Country Status (5)
Country | Link |
---|---|
US (1) | US6866412B2 (de) |
EP (2) | EP1825907B1 (de) |
AT (1) | ATE359859T1 (de) |
DE (2) | DE20002920U1 (de) |
ES (1) | ES2286048T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2305370A1 (de) | 2009-09-30 | 2011-04-06 | AZO Holding GmbH | Homogenisator und Homogenisiervorrichtung mit einem solchen Homogenisator |
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SE9804442D0 (sv) * | 1998-12-21 | 1998-12-21 | Global Powder Ab | Anordning och metod för kontinuerlig blandning |
US6648500B2 (en) * | 1999-04-13 | 2003-11-18 | International Process Equipment And Technology, Inc. | Rotary pulsation device |
DE10023694C2 (de) * | 2000-05-16 | 2002-04-04 | Ystral Gmbh Maschb & Processte | Vorrichtungen zum Mischen von Stoffen |
US7237943B2 (en) * | 2000-11-10 | 2007-07-03 | Maelstrom Advanced Process Technologies, Ltd. | Dynamic fluid mixer |
DE10320739B3 (de) | 2003-05-09 | 2004-10-21 | Ika - Werke Gmbh & Co. Kg | Vorrichtung zum Dispergieren und/oder Homogenisieren |
DE102004025281B4 (de) * | 2004-05-19 | 2008-09-04 | Henkel Ag & Co. Kgaa | Verfahren zur Herstellung von Mitteln zur Färbung keratinischer Fasern |
SE527867C2 (sv) * | 2004-11-12 | 2006-06-27 | Bjoern Gudmunsson | Kylanordning |
DE102005017075A1 (de) * | 2005-04-13 | 2006-10-19 | Ekato Unimix Gmbh | Vorrichtung zum Homogenisieren und/oder Dispergieren fliessfähiger Stoffe |
ATE437694T1 (de) * | 2006-03-29 | 2009-08-15 | Hebold Mixing & More Gmbh | Homogenisator |
DE102007016445A1 (de) * | 2007-04-04 | 2008-10-09 | Beiersdorf Ag | Verfahren zur Herstellung fließfähiger kationischer Emulsionen |
US7887862B2 (en) * | 2007-10-10 | 2011-02-15 | Industrias Centli S.A. De C.V. | Method and apparatus for separating, purifying, promoting interaction and improving combustion |
FR2952641B1 (fr) * | 2009-11-18 | 2012-01-13 | Lfb Biomedicaments | Procede de traitement du plasma sanguin comprenant une etape de lavage par dispersion |
JP2011147936A (ja) * | 2010-09-29 | 2011-08-04 | Sintokogio Ltd | 剪断式分散装置、循環式分散システム及び循環式分散方法 |
KR101780329B1 (ko) * | 2015-05-06 | 2017-09-20 | 주식회사 케이엔에스컴퍼니 | 로터-로터 방식 분산유화장치 임펠러 구조 시스템 |
DE202016000169U1 (de) | 2016-01-14 | 2017-04-20 | Symex Gmbh & Co. Kg | Pump- und/oder Mischeinrichtung zum Fördern, Homogenisieren und/oder Dispergieren fließfähiger Produkte |
KR101992949B1 (ko) * | 2017-09-21 | 2019-06-26 | 주식회사 우원 | 면상 온도 센서를 구비한 원료 균질화 설비 |
DE202018102804U1 (de) | 2018-05-18 | 2019-08-22 | Symex Gmbh & Co. Kg | Vorrichtung zum Homogenisieren fließfähiger Stoffe |
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- 2001-02-16 EP EP07106354A patent/EP1825907B1/de not_active Expired - Lifetime
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2305370A1 (de) | 2009-09-30 | 2011-04-06 | AZO Holding GmbH | Homogenisator und Homogenisiervorrichtung mit einem solchen Homogenisator |
DE102009047777A1 (de) | 2009-09-30 | 2011-04-07 | Azo Holding Gmbh | Homogenisator und Homogenisiervorrichtung mit einem solchen Homogenisator |
Also Published As
Publication number | Publication date |
---|---|
ES2286048T3 (es) | 2007-12-01 |
EP1825907B1 (de) | 2012-10-03 |
DE50112352D1 (de) | 2007-05-31 |
ATE359859T1 (de) | 2007-05-15 |
US20010036125A1 (en) | 2001-11-01 |
DE20002920U1 (de) | 2000-04-20 |
US6866412B2 (en) | 2005-03-15 |
EP1125625A3 (de) | 2002-01-30 |
EP1825907A1 (de) | 2007-08-29 |
EP1125625B1 (de) | 2007-04-18 |
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