DE102004041375A1 - Device for controlling the temperature of bulk material - Google Patents
Device for controlling the temperature of bulk material Download PDFInfo
- Publication number
- DE102004041375A1 DE102004041375A1 DE102004041375A DE102004041375A DE102004041375A1 DE 102004041375 A1 DE102004041375 A1 DE 102004041375A1 DE 102004041375 A DE102004041375 A DE 102004041375A DE 102004041375 A DE102004041375 A DE 102004041375A DE 102004041375 A1 DE102004041375 A1 DE 102004041375A1
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- DE
- Germany
- Prior art keywords
- heat exchanger
- bulk material
- exchanger tubes
- tubes
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/10—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material
- F28C3/12—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid
- F28C3/14—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid the particulate material moving by gravity, e.g. down a tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/003—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by using permeable mass, perforated or porous materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
- F28F9/0221—Header boxes or end plates formed by stacked elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0045—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for granular materials
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
Eine Vorrichtung zum Temperieren von Schüttgut (20) weist einen Wärme-Austausch-Abschnitt (2) auf, dem ein Puffer-Abschnitt (1) für das Schüttgut (20) vorgeordnet und ein Austrags-Abschnitt (3) nachgeordnet sind. Im Wärme-Austausch-Abschnitt (2) sind in Schwerkraft-Richtung angeordnete Wärmetauscher-Rohre (7) angeordnet. Außerdem münden in den Wärme-Austausch-Abschnitt (2) eine Zuführung (8) und eine Abführung (9) für ein Wärmeträger-Fluid.A device for tempering bulk material (20) has a heat exchange section (2), upstream of which a buffer section (1) for the bulk material (20) and downstream of a discharge section (3). In the heat exchange section (2) disposed in the direction of gravity heat exchanger tubes (7) are arranged. In addition, in the heat exchange section (2) open a feed (8) and an outlet (9) for a heat transfer fluid.
Description
Die Erfindung betrifft eine Vorrichtung zum Temperieren von Schüttgut.The The invention relates to a device for controlling the temperature of bulk material.
Ein solches Temperieren kann in einem Erwärmen oder einem Abkühlen eines Schüttguts bestehen. Wenn eine Wärmezufuhr zum Schüttgut erfolgt, dann kann – wenn dieses noch Träger von Feuchtigkeit ist – gleichzeitig eine Trocknung stattfinden. Die Feuchtigkeit wird dann mittels eines zugeführten Gases abgeführt. Unter Schüttgütern im Sinne dieser Erfindung werden frei fließfähige Schüttgüter verstanden, wie z. B. Düngemittel, Kunststoffgranulate, Kunststoffpulver oder aber auch Lebensmittel, wie z. B. Kristallzucker.One Such tempering may be by heating or cooling a bulk consist. If a heat supply to the bulk material done, then - if this still carrier of moisture is - at the same time a drying take place. The moisture is then removed by means of a supplied Gases discharged. Under bulk goods in the Purpose of this invention are understood free-flowing bulk materials, such as. Fertilizers, Plastic granules, plastic powder or even food, such as B. granulated sugar.
Beim
Erwärmen
und Abkühlen
von Schüttgütern ist
der Wärmetransport
vom Schüttgut
zum Wärmeträger-Fluid
oder umgekehrt durch die geringe thermische Leitfähigkeit
des Schüttgutes
begrenzt. Zum Temperieren solcher Schüttgüter werden heute Schachtkühler eingesetzt,
wie sie beispielsweise in Form eines Platten-Wärmetauschers aus der
Der Erfindung liegt daher die Aufgabe zugrunde, eine Vorrichtung zum Temperieren von Schüttgut zu schaffen, die bei einfachem Aufbau einen hohen Wärmeübergang und eine einfache Reinigung ermöglicht.Of the Invention is therefore based on the object, a device for Tempering of bulk material to create, with a simple structure, a high heat transfer and allows easy cleaning.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst. Dadurch, dass das Schüttgut durch die Wärmetauscher-Rohre geführt wird, sind exakt definierte und leicht zu reinigende, glattwandige Räume vorgegeben, durch die sich das Schüttgut bewegt. Dies führt zu einer einfachen Reinigungsmöglichkeit des Wärme-Austausch-Abschnitts. Die Wärmetauscher-Rohre haben eine – bezogen auf ihren Querschnitt – große Fläche sowie hohe Temperaturgradienten von der Rohrmitte zur Rohrwand, sodass ein entsprechend intensiver Wärmeaustausch stattfinden kann. Als Wärmeträger-Fluid können geeignete Flüssigkeiten, wie insbesondere Wasser, aber auch Gase oder Dampf eingesetzt werden. Der Konstruktionsaufwand für die Zufuhr des Wärmeträger-Fluids ist gering, da kein Einlassverteiler bzw. Auslasssammler für das Wärmeträger-Fluid benötigt wird. Ebenfalls ist die Reinigung auf der Seite des Wärmeträger-Fluids einfach durchführbar. Das Schüttgut wird mittels Schwerkraft durch die Wärmetauscher-Rohre geführt. Diese sind in der Regel also senkrecht angeordnet, können aber auch gegenüber der Vertikalen leicht schräg angeordnet sein, solange sichergestellt ist, dass das Schüttgut mittels Schwerkraft durch die Wärmetauscher-Rohre geleitet wird. Damit das Schüttgut störungsfrei durch die Wärmetauscher-Rohre fließt, sollte der Innendurchmesser der Wärmetauscher-Rohre mindestens das vier- bis fünffache der Partikelgröße des Schüttgutes betragen. Hierdurch wird auch eine gründliche Restentleerung der Rohre sichergestellt. Anstelle eines solchen Wärme-Austausch-Abschnitts können hintereinander auch mehrere derartige Abschnitte vorgesehen sein, so dass jeweils zwischen zwei Abschnitten eine Umlagerung des Schüttgutes erfolgt, wodurch das Temperaturprofil, das sich von der Rohrwand bis zum Kern des Schüttguts einstellt, vergleichmäßigt wird. Hierdurch wird im nachfolgenden Wärme-Austausch-Abschnitt der Temperaturgradient an der Rohrwand erhöht und die Temperierung des Schüttguts verbessert.These The object is achieved by the Characteristics of claim 1 solved. Because of the bulk material is passed through the heat exchanger tubes, are precisely defined and easy to clean, smooth-walled spaces given through which the bulk material emotional. this leads to for a simple cleaning option of the heat exchange section. The heat exchanger tubes have one - related on their cross section - large area as well high temperature gradients from the center of the pipe to the pipe wall, so a correspondingly intensive heat exchange can take place. As a heat transfer fluid can suitable liquids, in particular water, but also gases or steam can be used. The construction effort for the supply of the heat transfer fluid is low, since no inlet manifold or outlet collector for the heat transfer fluid needed becomes. Also, the cleaning on the side of the heat transfer fluid is easy to carry out. The bulk is guided by gravity through the heat exchanger tubes. These are therefore usually arranged vertically, but can also be compared to the Vertical slightly oblique be arranged, as long as it is ensured that the bulk material by means of Gravity passed through the heat exchanger tubes becomes. So that the bulk material trouble-free through the heat exchanger tubes flows, the inner diameter of the heat exchanger tubes should be at least the four to five times the particle size of the bulk material be. This is also a thorough emptying of the Ensured pipes. Instead of such a heat exchange section can be consecutively Also, several such sections may be provided, so that in each case between two sections a rearrangement of the bulk material takes place, reducing the temperature profile extending from the pipe wall to the core of the bulk material adjusts, is evened out. As a result, the temperature gradient is in the subsequent heat exchange section the pipe wall increases and the temperature of the bulk material improved.
Dem Wärme-Austausch-Abschnitt, also dem eigentlichen Rohrbündel-Wärmetauscher, kann nach Anspruch 2 in einfacher Weise ein Puffer-Abschnitt für das Schüttgut vorgeordnet und nach Anspruch 3 ein Austrags-Abschnitt nachgeordnet werden. Durch die Weiterbildung nach Anspruch 4 wird in besonders einfacher Weise sichergestellt, dass das Schüttgut den einzelnen Wärmetauscher-Rohren durch Schwerkraft zugeführt wird, ohne dass oberhalb der Wärmetauscher-Rohre Toträume bzw. Totflächen verbleiben, in denen Schüttgut verbleibt, das dem Wärme-Austausch-Prozess nicht unterworfen wird. Durch die besondere Form des Einlauf-Rohrbodens wird zudem eine vollständige Restentleerung der Wärmetauscher-Rohre beim Entleeren des Wärme-Austausch-Abschnitts erreicht. Weiterhin wird eine Brückenbildung des Schüttguts beim Einlauf in die Wärmetauscher-Rohre durch die Trichterform vermieden. Vorteilhafte Bereiche des Öffnungswinkels der Zulauf-Trichter ergeben sich aus Anspruch 5.the Heat exchange section, So the actual tube bundle heat exchanger, according to claim 2 arranged in a simple manner a buffer section for the bulk material and according to claim 3, a discharge section are arranged downstream. Through the development according to claim 4 is particularly simple Make sure that the bulk material is the individual heat exchanger tubes fed by gravity will, without being above the heat exchanger tubes dead space or dead areas remain, in which bulk goods that is not subject to the heat exchange process becomes. Due to the special shape of the inlet tube bottom is also a complete emptying the heat exchanger tubes when emptying the heat exchange section reached. Furthermore, a bridge formation of the bulk material when entering the heat exchanger tubes avoided by the funnel shape. Advantageous areas of the opening angle the inlet funnel emerge from claim 5.
Die Weiterbildung nach Anspruch 6 hat zur Folge, dass mit besonders einfachen Mitteln ein besonders wirksamer Wärmeaustausch im Kreuz-Strom stattfindet, und zwar bevorzugt im Kreuz-Gegen-Strom.The Training according to claim 6 has the consequence that with especially simple means a particularly effective heat exchange in the cross-flow takes place, preferably in the cross-countercurrent.
Durch die Weiterbildung nach Anspruch 7 wird erreicht, dass eine Umlagerung des Schüttgutes in den Wärmetauscher-Rohren stattfindet und dass im Austrags-Abschnitt, in den Rohren, in den Zulauf-Trichtern sowie im Puffer-Abschnitt oberhalb des Wärmeaustausch-Abschnittes keine Brückenbildung auftritt. Wenn die Gas-Zuführung gemäß Anspruch 8 in Form von Druckstößen erfolgt, sind die geschilderten Effekte besonders wirkungsvoll. Gleichzeitig findet auch noch eine Trocknung des Schüttgutes durch das Druckgas statt, wenn dies erforderlich ist. Im Übrigen kann das Druckgas auch temperiert werden und insoweit zum Temperieren des Schüttgutes beitragen.Through the development according to claim 7 it is achieved that a rearrangement of the bulk material takes place in the heat exchanger tubes and that no bridging occurs in the discharge section, in the tubes, in the inlet funnels and in the buffer section above the heat exchange section. When the gas supply according to claim 8 takes place in the form of pressure surges, the described effects are particularly effective. At the same time there is still a drying of the bulk material by the compressed gas, if necessary. Incidentally, the compressed gas can also be tempered and contribute to the tempering of the bulk material.
Die Maßnahmen nach Anspruch 9 führen zu einer Verbesserung des Wärmeübergangs auf der Seite des Wärmeträger-Fluids, also auf der Außenseite der Wärmetauscher-Rohre. Dieser Effekt tritt insbesondere bei niedrigen Strömungsgeschwindigkeiten des Wärmeträger-Fluids auf, da dessen Strömungsgeschwindigkeit erhöht wird.The activities according to claim 9 lead to improve the heat transfer on the side of the heat transfer fluid, so on the outside the heat exchanger tubes. This effect occurs especially at low flow rates the heat transfer fluid because of its flow velocity elevated becomes.
Durch die Maßnahme nach Anspruch 10 wird ein besonders kompakter und einfach herzustellender Aufbau der erfindungsgemäßen Vorrichtung erreicht, der insbesondere auch druckfest für Unter- oder Überdruck ausgeführt werden kann.By the measure according to claim 10 is a particularly compact and easy to produce Structure of the device according to the invention reached, in particular also pressure-resistant for underpressure or overpressure accomplished can be.
Durch die Ausgestaltung nach Anspruch 11 wird der Wärmeübergang innerhalb der Wärmetauscher-Rohre verbessert. Die Ansprüche 12 bis 15 geben hierzu vorteilhafte Einzelheiten wieder.By The embodiment according to claim 11, the heat transfer within the heat exchanger tubes improved. The requirements 12 to 15 give this advantageous details.
Durch die vorteilhafte Weiterbildung nach Anspruch 16 können für extrem schlecht fließendes Schüttgut die Fließverhältnisse verbessert werden.By The advantageous development according to claim 16 can be extremely poorly flowing bulk goods flow conditions be improved.
Durch die Weiterbildung nach Anspruch 17 wird ermöglicht, unter anderem eine besonders gute Trocknung des Schüttguts bei Unterdruck zu erzielen.By The development according to claim 17 is made possible, inter alia, a particularly good drying of the bulk material to achieve at low pressure.
Die Ausgestaltung nach Anspruch 18 stellt eine vorteilhafte Alternative zur Ausgestaltung nach Anspruch 4 dar.The Embodiment according to claim 18 provides an advantageous alternative to the embodiment according to claim 4.
Die Ansprüche 19 bis 21 geben Maßnahmen wieder, durch die eine optimale Anordnung der Wärmetauscher-Rohre und insbesondere eine besonders dünne Ausgestaltung des Einlauf-Rohrbodens erreicht wird, ohne dass die Gefahr eines nicht optimalen Schüttgut-Flusses oder gar einer nicht optimalen Entleerung des Puffer-Abschnitts gegeben wäre.The claims 19 to 21 reflect measures by the optimal arrangement of the heat exchanger tubes and in particular a very thin one Design of the inlet tube bottom is achieved without the Danger of a non-optimal bulk flow or even a non-optimal emptying of the buffer section would be given.
Die Angaben im Anspruch 22 gewährleisten, dass einerseits das Schüttgut störungsfrei durch die Wärmetauscher-Rohre fließt, andererseits aber eine möglichst intensive Berührung mit den wärmetauschenden Flächen der Rohre erreicht wird.The Statements in claim 22 ensure that on the one hand the bulk material trouble-free through the heat exchanger tubes flows, on the other hand, one possible intense touch with the heat exchanging surfaces the pipes is reached.
Weitere Merkmale, Vorteile und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispieles anhand der Zeichnung. Es zeigt:Further Features, advantages and details of the invention will become apparent the following description of an embodiment with reference to the Drawing. It shows:
Die
in
Der
Wärme-Austausch-Abschnitt
Benachbart
zum Austrags-Abschnitt
Die
Rohre
An
der Außenseite
des Gehäuses
Der
Austrags-Abschnitt
In
den trichterförmigen
Austrags-Abschnitt
Im
Fallrohr
Wie
Die
Zahl der Innen-Rippen
Derartige
Rohre
Die
Ausgestaltung nach
Wie
sich aus den
Der
Durchmesser der Eintritts-Öffnungen entspricht
im Wesentlichen dem Außendurchmesser d
der Rohre
Für den Innendurchmesser
d der Rohre
Claims (22)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004041375A DE102004041375A1 (en) | 2004-03-24 | 2004-08-25 | Device for controlling the temperature of bulk material |
EP05005327.1A EP1580511B1 (en) | 2004-03-24 | 2005-03-11 | Device for maintaining temperature of bulk material |
CNB2005100569827A CN100378426C (en) | 2004-03-24 | 2005-03-24 | Device for maintaining temperature of bulk material |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004014349.8 | 2004-03-24 | ||
DE102004014349 | 2004-03-24 | ||
DE102004041375A DE102004041375A1 (en) | 2004-03-24 | 2004-08-25 | Device for controlling the temperature of bulk material |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102004041375A1 true DE102004041375A1 (en) | 2005-10-13 |
Family
ID=34862933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102004041375A Withdrawn DE102004041375A1 (en) | 2004-03-24 | 2004-08-25 | Device for controlling the temperature of bulk material |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1580511B1 (en) |
CN (1) | CN100378426C (en) |
DE (1) | DE102004041375A1 (en) |
Cited By (15)
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DE102005031660A1 (en) * | 2005-07-05 | 2007-01-11 | Coperion Waeschle Gmbh & Co. Kg | Apparatus for heating or cooling bulk material comprises a tube and shell heat exchanger and a system for reheating or recooling a heat transfer liquid supplied to the shell side |
DE102006016622A1 (en) * | 2006-04-06 | 2007-10-11 | Coperion Waeschle Gmbh & Co. Kg | Heat exchanger for free flow material has vertical heat exchanger pipes incorporating bellows type expansion joints |
EP1975536A2 (en) | 2007-03-26 | 2008-10-01 | Coperion Waeschle GmbH & Co. KG | Device for cooling and/or heating bulk material |
DE102007027967A1 (en) | 2007-06-19 | 2008-12-24 | Coperion Waeschle Gmbh & Co. Kg | Apparatus for cooling or heating bulk material and method for operating such a device |
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EP1975536A2 (en) | 2007-03-26 | 2008-10-01 | Coperion Waeschle GmbH & Co. KG | Device for cooling and/or heating bulk material |
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EP2006628A2 (en) | 2007-06-19 | 2008-12-24 | Coperion Waeschle GmbH & Co. KG | Device for cooling or heating bulk material and method for operating such a device |
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DE102012208502A1 (en) | 2012-05-22 | 2013-11-28 | Coperion Gmbh | Device useful for treating bulk material, comprises bulk material storage container for bulk material to be treated, tube bundle heat exchanger in bulk material conveyor after storage container, and a bulk material-hot mixer |
DE102012221973A1 (en) | 2012-11-30 | 2014-06-18 | Coperion Gmbh | Bulk material-heat exchanger device comprises housing, bulk material supply line, bulk material feed section, bulk material-discharge portion adjacent to bulk material-heat exchanger portion, heat transfer fluid supply and throttle plate |
KR102720291B1 (en) * | 2021-06-08 | 2024-10-21 | 바젤 폴리올레핀 게엠베하 | Heat exchanger for gas phase polymerization |
Also Published As
Publication number | Publication date |
---|---|
EP1580511B1 (en) | 2019-03-06 |
EP1580511A2 (en) | 2005-09-28 |
EP1580511A3 (en) | 2009-10-28 |
CN1683898A (en) | 2005-10-19 |
CN100378426C (en) | 2008-04-02 |
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Legal Events
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8123 | Nonbinding interest in granting licences withdrawn | ||
8127 | New person/name/address of the applicant |
Owner name: COPERION GMBH, 70469 STUTTGART, DE |
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R012 | Request for examination validly filed |
Effective date: 20110423 |
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