EP2296219A1 - Use of a waveguide - Google Patents
Use of a waveguide Download PDFInfo
- Publication number
- EP2296219A1 EP2296219A1 EP09011366A EP09011366A EP2296219A1 EP 2296219 A1 EP2296219 A1 EP 2296219A1 EP 09011366 A EP09011366 A EP 09011366A EP 09011366 A EP09011366 A EP 09011366A EP 2296219 A1 EP2296219 A1 EP 2296219A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- waveguide
- proviso
- use according
- component
- antenna
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/12—Hollow waveguides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
- B22D41/38—Means for operating the sliding gate
Definitions
- a waveguide is a waveguide for electromagnetic waves, in particular in the frequency range above 1,000 MHz.
- coaxial lines have a number of disadvantages in the transmission of high powers (for example transmission signals), for example high attenuation and low flashover strength.
- waveguides are mostly metallic tubes, usually with a rectangular, round or oval cross-section. High frequencies, unlike cables, can be transmitted with low loss along such waveguides.
- Waveguides of the type mentioned are known. They are used for example in microwave ovens, in microwave systems or in satellites.
- the invention relates to the use of a waveguide for transmitting electromagnetic waves along at least part of a distance between a refractory ceramic component in which a sensor is integrated and a data processing system.
- the component can be a component according to WO 2008/135135 A2 his.
- the subject matter of this reference is a component based on a ceramic mass which is largely stable at temperatures above 800 ° C. and fireproof to this extent, at least one sensor being integrated in the component, with which at least one of the following information can be detected and applied during the use of the component a data processing system is transferable: identification of the component, physical properties of the component, movements of the component, service life of the component, location of the component.
- the limit temperature for said refractoriness is often> 1,000 ° C or> 1,200 ° C.
- Corrosion reduces or breaks the performance of the cables. Connectors are often only up to 250 ° C temperature resistant.
- the transmission of electromagnetic waves in the said application is now to take place at least partially via a waveguide.
- the waveguide which is usually a metal tube, is far more temperature resistant than a cable.
- a waveguide is both thermally and mechanically stable and does not or only slightly changes the transmission properties even under heavy load.
- the waveguide may be rigid or flexible.
- the waveguide has a rectangular cross-section. Other cross-sectional shapes such as round, oval, etc. are possible. According to a further embodiment, the waveguide is made of metal.
- the dimensioning of the waveguide is to be adapted to the frequency of the electromagnetic waves.
- the open ends of the waveguide can be used as antennas, in particular for short transmission paths. In particular, then if the corresponding ends of the waveguide can be integrated flush into nearby surfaces damages are almost impossible.
- a horn antenna is a type of electromagnetic wave antenna having a metal surface approximated to a funnel shape that opens into the actual waveguide (pipe).
- the waveguide may be at least partially filled with a dielectric material, in particular with a solid body such as a ceramic material.
- a dielectric material and liquid materials such as insulating oils in question.
- the waveguide transitions into the antenna such that the cross-section of the dielectric gradually tapers as the diameter of the waveguide expands outwardly, forming an assembly of a metallic funnel , in the interior of which a cone of dielectric material sits whose tip extends to the funnel entrance.
- the transmission properties of the waveguide depend on the frequency of the signal to be transmitted, the cross section of the waveguide and the relative dielectric constant of a dielectric, optionally fabricated in the interior of the waveguide.
- a filling material in the interior of the waveguide may consist of a consist of ceramic material, which may also have refractory properties.
- the waveguide should be as smooth inside as possible in order to minimize signal losses due to a rough surface.
- a smooth, temperature-resistant inner coating of the waveguide may be advantageous.
- waveguides are preferred, which consist at least on the inside of copper or aluminum, although steel for short waveguide (up to 10 m) is possible.
- the waveguide which has an internal dimension of 4 by 8 cm, for example in the case of a rectangular cross-section, can be connected directly or indirectly to the refractory component formed with the sensor.
- the waveguide or the antenna can be structurally integrated into a metallic structure which serves for the assembly of the refractory ceramic component.
- parts of the metal structure can function as a waveguide or antenna.
- An example is a slide valve with metal cartridge and inserted slide plate for a metallurgical vessel with integrated cavity, which is used as a waveguide.
- the term refractory ceramic component also includes associated metallic or ceramic enclosures for assembly.
- the waveguide can bridge individual sections between sensor and data processing system, but it can also run continuously from the sensor to the data processing system.
- the single figure shows - in a schematic view - a partial perspective view of a slide mechanism with inserted ceramic slide plate, as it is used for outflow control of a molten metal from a metallurgical melting vessel.
- a metal cassette 32 is disposed, which receives a refractory ceramic slide plate 30 formed with a bore 32b (molten metal flow passage in use).
- the gate system regulates a steel flow from a ladle to a downstream tundish.
- a sensor 10 is mounted with antenna 16, as in the WO 2008/135135 A2 described and therefore only schematically with X and the reference numerals 10, 16 marked.
- a slit 38 is formed (approximately in the center of curvature of the metal cassette 32).
- a waveguide 90 of copper according to the invention with rectangular cross-section (8 by 4 cm inside dimension) follows, in such a way that electromagnetic waves freely from and to the sensor 10 and the antenna 16 through the slot 38 in the waveguide 90th introduced and can be guided from there through the waveguide 90 to its open end 90o which is formed in a frame 40r of the slide mechanism.
- this part of the frame 40r or the corresponding end of the waveguide 90 is designed as a horn antenna 95.
- the horn antenna 95 has the shape of a funnel which opens from the frame 40r in a direction away from the slider plate 30.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Waveguides (AREA)
- Waveguide Aerials (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Polymerisation Methods In General (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Description
Die Erfindung betrifft die Verwendung eines Hohlleiters. Ein Hohlleiter ist ein Wellenleiter für elektromagnetische Wellen, insbesondere im Frequenzbereich über 1.000 MHz. In diesem Frequenzbereich weisen koaxiale Leitungen bei der Übertragung von hohen Leistungen (zum Beispiel Sendesignalen) eine Reihe von Nachteilen auf, beispielsweise eine hohe Dämpfung und geringe Überschlagsfestigkeit.The invention relates to the use of a waveguide. A waveguide is a waveguide for electromagnetic waves, in particular in the frequency range above 1,000 MHz. In this frequency range, coaxial lines have a number of disadvantages in the transmission of high powers (for example transmission signals), for example high attenuation and low flashover strength.
Diese Nachteile können durch die Verwendung von Hohlleitern vermieden werden. Hierbei handelt es sich um meist metallische Rohre, üblicherweise mit rechteckigem, rundem oder ovalem Querschnitt. Hohe Frequenzen lassen sich im Gegensatz zu Kabeln verlustarm entlang solcher Hohlleiter übertragen.These disadvantages can be avoided by the use of waveguides. These are mostly metallic tubes, usually with a rectangular, round or oval cross-section. High frequencies, unlike cables, can be transmitted with low loss along such waveguides.
Signale können sich erst ab einer bestimmten Frequenz im Hohlleiter ausbreiten. Diese Frequenz ist von den Abmessungen des Hohlleiters abhängig. Die Ausbreitung der Wellen ist von der sogenannten Grenzwellenlänge abhängig, die sich für rechteckige Hohlleiter wie folgt darstellt:
mit
- λgrenz = Grenzwellenlänge [m]
- a = längere Seite des Hohlleiters [m] bei rechteckigem Querschnitt.
With
- λ limit = limit wavelength [m]
- a = longer side of the waveguide [m] with a rectangular cross section.
Hohlleiter der genannten Art sind bekannt. Sie werden beispielsweise in Mikrowellenöfen, in Richtfunkanlagen oder in Satelliten verwendet.Waveguides of the type mentioned are known. They are used for example in microwave ovens, in microwave systems or in satellites.
Gegenstand der Erfindung ist die Verwendung eines Hohlleiters zur Übertragung elektromagnetischer Wellen entlang mindestens einer Teilstrecke zwischen einem feuerfesten keramischen Bauteil in dem ein Sensor integriert ist und einer Datenverarbeitungsanlage. Das Bauteil kann ein Bauteil gemäß
Insoweit nimmt der Offenbarungsgehalt dieser Anmeldung vollständig auf den Offenbarungsgehalt der
Gegenstand dieser Referenz ist ein Bauteil auf Basis einer keramischen Masse, die bei Temperaturen über 800° C weitestgehend stabil und insoweit feuerfest ist, wobei im Bauteil mindestens ein Sensor integriert ist, mit dem mindestens eine der folgenden Informationen während des Einsatzes des Bauteils erfassbar und an eine Datenverarbeitungsanlage übertragbar ist: Identifikation des Bauteils, physikalische Eigenschaften des Bauteils, Bewegungen des Bauteils, Einsatzzeit des Bauteils, Ort des Bauteils. Die Grenztemperatur für die genannte Feuerfestigkeit beträgt oft > 1.000° C oder > 1.200° C.The subject matter of this reference is a component based on a ceramic mass which is largely stable at temperatures above 800 ° C. and fireproof to this extent, at least one sensor being integrated in the component, with which at least one of the following information can be detected and applied during the use of the component a data processing system is transferable: identification of the component, physical properties of the component, movements of the component, service life of the component, location of the component. The limit temperature for said refractoriness is often> 1,000 ° C or> 1,200 ° C.
Zur Übertragung der Daten vom Sensor zur Datenverarbeitungsanlage können gemäß
Auf Grund der hohen Anwendungstemperaturen derartiger Bauteile (mindestens 800°C, oft mehr als 1.500°C) ergeben sich hinsichtlich der Temperaturbeständigkeit der Kabel sowie zugehöriger Antennen in der Praxis Probleme.Due to the high application temperatures of such components (at least 800 ° C, often more than 1,500 ° C) arise in terms of temperature resistance of the cable and associated antennas in practice problems.
Durch Korrosion wird die Leistungsfähigkeit der Kabel eingeschränkt oder unterbrochen. Steckverbinder sind oft nur bis 250° C temperaturbeständig.Corrosion reduces or breaks the performance of the cables. Connectors are often only up to 250 ° C temperature resistant.
Erfindungsgemäß soll die Übertragung elektromagnetischer Wellen bei dem genannten Anwendungsfall nunmehr zumindest teilweise über einen Hohlleiter erfolgen.According to the invention, the transmission of electromagnetic waves in the said application is now to take place at least partially via a waveguide.
Der Hohlleiter, der üblicherweise ein Metallrohr ist, ist in weit höherem Maße temperaturbeständig als ein Kabel. Ein Hohlleiter ist sowohl thermisch wie mechanisch stabil und verändert auch bei starker Belastung die Transmissionseigenschaften nicht oder nur unwesentlich. Der Hohlleiter kann starr oder biegsam (flexibel) sein.The waveguide, which is usually a metal tube, is far more temperature resistant than a cable. A waveguide is both thermally and mechanically stable and does not or only slightly changes the transmission properties even under heavy load. The waveguide may be rigid or flexible.
Nach einer Ausführungsform weist der Hohlleiter einen Rechteckquerschnitt auf. Andere Querschnittsformen wie rund, oval etc. sind möglich. Nach einer weiteren Ausführungsform besteht der Hohlleiter aus Metall.According to one embodiment, the waveguide has a rectangular cross-section. Other cross-sectional shapes such as round, oval, etc. are possible. According to a further embodiment, the waveguide is made of metal.
Wie einleitend dargestellt ist die Dimensionierung des Hohlleiters an die Frequenz der elektromagnetischen Wellen anzupassen.As described in the introduction, the dimensioning of the waveguide is to be adapted to the frequency of the electromagnetic waves.
Dies ist Stand der Technik und wird hier nicht weiter erläutert.This is state of the art and will not be explained further here.
Die offenen Enden des Hohlleiters können, insbesondere bei kurzen Übertragungswegen, als Antennen genutzt werden. Insbesondere dann, wenn die entsprechenden Enden des Hohlleiters bündig in naheliegende Oberflächen integriert werden können sind Beschädigungen nahezu ausgeschlossen.The open ends of the waveguide can be used as antennas, in particular for short transmission paths. In particular, then if the corresponding ends of the waveguide can be integrated flush into nearby surfaces damages are almost impossible.
Alternativ können aber auch separate Antennen, beispielsweise aus dem Stand der Technik bekannte sogenannte Hornantennen oder Hohlleiter-Slot-Antennen an den eigentlichen Hohlleiter angeschlossen werden.Alternatively, however, it is also possible to connect separate antennas, for example so-called horn antennas or waveguide slot antennas known from the prior art, to the actual waveguide.
Eine Hornantenne ist eine Bauform einer Antenne für elektromagnetische Wellen mit einer einer Trichterform angenäherten Metallfläche, die in den eigentlichen Hohlleiter (die Rohrleitung) einmündet. Der Hohlleiter kann zumindest abschnittsweise mit einem dielektrischen Werkstoff, insbesondere mit einem Festkörper wie einem keramischem Werkstoff, gefüllt sein. Als dielektrischer Werkstoff kommen auch flüssige Stoffe wie isolierende Öle in Frage.A horn antenna is a type of electromagnetic wave antenna having a metal surface approximated to a funnel shape that opens into the actual waveguide (pipe). The waveguide may be at least partially filled with a dielectric material, in particular with a solid body such as a ceramic material. As a dielectric material and liquid materials such as insulating oils in question.
In Zusammenhang mit der Antenne kann folgende Ausführungsform gewählt werden: Der Hohlleiter geht so in die Antenne über, dass sich der Querschnitt des Dielektrikums allmählich verjüngt, während sich der Durchmesser des Hohlleiters nach außen hin erweitert, so dass eine Anordnung aus einem metallischen Trichter gebildet wird, in dessen Inneren ein Kegel aus dem dielektrischen Material sitzt, dessen Spitze bis zum Trichtereingang reicht.In the context of the antenna, the following embodiment can be chosen: The waveguide transitions into the antenna such that the cross-section of the dielectric gradually tapers as the diameter of the waveguide expands outwardly, forming an assembly of a metallic funnel , in the interior of which a cone of dielectric material sits whose tip extends to the funnel entrance.
In allen Fällen hängen die Übertragungseigenschaften des Hohlleiters von der Frequenz des zu übertragenden Signals, dem Querschnitt des Hohlleiters und der relativen Dielektrizitätskonstante eines gegebenenfalls im Innenraum des Hohlleiters konfektionierten Dielektrikums ab. Ein solches Füllmaterial im Innenraum des Hohlleiters kann aus einem keramischen Werkstoff bestehen, der ebenfalls feuerfeste Eigenschaften aufweisen kann.In all cases, the transmission properties of the waveguide depend on the frequency of the signal to be transmitted, the cross section of the waveguide and the relative dielectric constant of a dielectric, optionally fabricated in the interior of the waveguide. Such a filling material in the interior of the waveguide may consist of a consist of ceramic material, which may also have refractory properties.
Der Hohlleiter sollte innenseitig möglichst glatt sein, um Signalverluste durch eine rauhe Oberfläche zu minimieren. Insoweit kann eine glatte, temperaturbeständige Innenbeschichtung des Hohlleiters vorteilhaft sein. Um den elektrischen Widerstand gering zu halten (und damit Signalverluste bei der Übertragung zu reduzieren) sind Hohlleiter zu bevorzugen, die zumindest innenseitig aus Kupfer oder Aluminium bestehen, wenngleich Stahl für kurze Hohlleiter (bis 10 m) möglich ist.The waveguide should be as smooth inside as possible in order to minimize signal losses due to a rough surface. In that regard, a smooth, temperature-resistant inner coating of the waveguide may be advantageous. In order to keep the electrical resistance low (and thus to reduce signal losses in the transmission) waveguides are preferred, which consist at least on the inside of copper or aluminum, although steel for short waveguide (up to 10 m) is possible.
Der Hohlleiter, der beispielsweise bei einem Rechteckquerschnitt ein Innenmaß von 4 mal 8 cm hat, kann mittelbar oder unmittelbar an das mit dem Sensor ausgebildete feuerfeste Bauteil angeschlossen werden.The waveguide, which has an internal dimension of 4 by 8 cm, for example in the case of a rectangular cross-section, can be connected directly or indirectly to the refractory component formed with the sensor.
Der Hohlleiter beziehungsweise die Antenne können konstruktiv in eine metallische Struktur integriert werden, die der Konfektionierung des feuerfesten keramischen Bauteils dient. Dabei können Teile der Metallstruktur als Hohlleiter beziehungsweise Antenne fungieren. Ein Beispiel ist ein Schieberverschluss mit Metallkassette und eingelegter Schieberplatte für ein metallurgisches Gefäß mit integriertem Hohlraum, der als Hohlleiter verwendet wird. Im Rahmen dieser Erfindung inkludiert der Begriff feuerfestes keramisches Bauteil insoweit auch zugehörige metallische oder keramische Einfassungen zur Konfektionierung.The waveguide or the antenna can be structurally integrated into a metallic structure which serves for the assembly of the refractory ceramic component. In this case, parts of the metal structure can function as a waveguide or antenna. An example is a slide valve with metal cartridge and inserted slide plate for a metallurgical vessel with integrated cavity, which is used as a waveguide. In the context of this invention, the term refractory ceramic component also includes associated metallic or ceramic enclosures for assembly.
Der Hohlleiter kann einzelne Teilstrecken zwischen Sensor und Datenverarbeitungsanlage überbrücken, er kann aber auch durchgehend vom Sensor zur Datenverarbeitungsanlage verlaufen.The waveguide can bridge individual sections between sensor and data processing system, but it can also run continuously from the sensor to the data processing system.
Weitere Merkmale der Erfindung ergeben sich aus den Merkmalen der Unteransprüche sowie den sonstigen Anmeldungsunterlagen.Other features of the invention will become apparent from the features of the claims and the other application documents.
Die Erfindung wird nachstehend anhand eines Ausführungsbeispiels näher erläutert. Dabei zeigt die einzige Figur - in schematisierter Ansicht - eine perspektivische Teilansicht einer Schiebermechanik mit eingelegter keramischer Schieberplatte, wie sie zur Ausflussregelung einer Metallschmelze aus einem metallurgischen Schmelzgefäß Verwendung findet.The invention will be explained in more detail below with reference to an embodiment. The single figure shows - in a schematic view - a partial perspective view of a slide mechanism with inserted ceramic slide plate, as it is used for outflow control of a molten metal from a metallurgical melting vessel.
Dabei handelt es sich grundsätzlich um eine Anordnung und ein Bauteil analog Figur 4 der referenzierten
Das Schiebersystem regelt einen Stahlfluss von einer Pfanne in einen nachgeschalteten Tundish.The gate system regulates a steel flow from a ladle to a downstream tundish.
In einem randnahen Endbereich der Schieberplatte 30 ist ein Sensor 10 mit Antenne 16 eingebaut, wie in der
Von dieser Antenne 95 kann die weitere Daten-/Signalübertragung entlang einer Funkstrecke an eine weitere Antenne gehen, wie dies im Einzelnen wiederum in der
Claims (8)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT09011366T ATE522005T1 (en) | 2009-09-04 | 2009-09-04 | USING A WAVE GUIDE |
ES09011366T ES2370192T3 (en) | 2009-09-04 | 2009-09-04 | USE OF A WAVE GUIDE. |
EP09011366A EP2296219B1 (en) | 2009-09-04 | 2009-09-04 | Use of a waveguide |
PT09011366T PT2296219E (en) | 2009-09-04 | 2009-09-04 | Use of a waveguide |
PL09011366T PL2296219T3 (en) | 2009-09-04 | 2009-09-04 | Use of a waveguide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09011366A EP2296219B1 (en) | 2009-09-04 | 2009-09-04 | Use of a waveguide |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2296219A1 true EP2296219A1 (en) | 2011-03-16 |
EP2296219B1 EP2296219B1 (en) | 2011-08-24 |
Family
ID=41138915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09011366A Not-in-force EP2296219B1 (en) | 2009-09-04 | 2009-09-04 | Use of a waveguide |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2296219B1 (en) |
AT (1) | ATE522005T1 (en) |
ES (1) | ES2370192T3 (en) |
PL (1) | PL2296219T3 (en) |
PT (1) | PT2296219E (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102021118719B3 (en) | 2021-07-20 | 2022-08-04 | Leibniz-Institut für Festkörper- und Werkstoffforschung Dresden e.V. (IFW Dresden e.V.) | DEVICE AND METHOD FOR ELECTRICAL CHARACTERIZATION OF PROPERTIES OF MATERIALS, ASSEMBLIES AND/OR COMPONENTS IN HIGH TEMPERATURE ENVIRONMENT |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5053775A (en) * | 1989-09-07 | 1991-10-01 | Paul Wurth S.A. | Device for determinging the profile of the loading surface of a shaft furnace |
GB2255408A (en) * | 1991-04-12 | 1992-11-04 | Thor Ceramics Ltd | Ultrasonic melt probe with built-in reflector |
US5926080A (en) * | 1996-10-04 | 1999-07-20 | Rosemount, Inc. | Level gage waveguide transitions and tuning method and apparatus |
DE102007021172A1 (en) * | 2007-05-05 | 2008-11-06 | Refractory Intellectual Property Gmbh & Co. Kg | Component based on a ceramic mass |
-
2009
- 2009-09-04 AT AT09011366T patent/ATE522005T1/en active
- 2009-09-04 ES ES09011366T patent/ES2370192T3/en active Active
- 2009-09-04 EP EP09011366A patent/EP2296219B1/en not_active Not-in-force
- 2009-09-04 PT PT09011366T patent/PT2296219E/en unknown
- 2009-09-04 PL PL09011366T patent/PL2296219T3/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5053775A (en) * | 1989-09-07 | 1991-10-01 | Paul Wurth S.A. | Device for determinging the profile of the loading surface of a shaft furnace |
GB2255408A (en) * | 1991-04-12 | 1992-11-04 | Thor Ceramics Ltd | Ultrasonic melt probe with built-in reflector |
US5926080A (en) * | 1996-10-04 | 1999-07-20 | Rosemount, Inc. | Level gage waveguide transitions and tuning method and apparatus |
DE102007021172A1 (en) * | 2007-05-05 | 2008-11-06 | Refractory Intellectual Property Gmbh & Co. Kg | Component based on a ceramic mass |
WO2008135135A2 (en) | 2007-05-05 | 2008-11-13 | Refractory Intellectual Property Gmbh & Co.Kg | Component based on a ceramic material |
Also Published As
Publication number | Publication date |
---|---|
PL2296219T3 (en) | 2011-12-30 |
ATE522005T1 (en) | 2011-09-15 |
ES2370192T3 (en) | 2011-12-13 |
PT2296219E (en) | 2011-11-03 |
EP2296219B1 (en) | 2011-08-24 |
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