FR2557564A1 - BASIC REFRACTORY BRICKS OR MASSES BASED ON CELSIAN-CONTAINING MAGNESIUM-ALUMINUM OLIVINE AND MAGNESIA OR SPINELLE, THEIR MANUFACTURING PROCESS AND USE THEREOF - Google Patents
BASIC REFRACTORY BRICKS OR MASSES BASED ON CELSIAN-CONTAINING MAGNESIUM-ALUMINUM OLIVINE AND MAGNESIA OR SPINELLE, THEIR MANUFACTURING PROCESS AND USE THEREOF Download PDFInfo
- Publication number
- FR2557564A1 FR2557564A1 FR8419840A FR8419840A FR2557564A1 FR 2557564 A1 FR2557564 A1 FR 2557564A1 FR 8419840 A FR8419840 A FR 8419840A FR 8419840 A FR8419840 A FR 8419840A FR 2557564 A1 FR2557564 A1 FR 2557564A1
- Authority
- FR
- France
- Prior art keywords
- bricks
- celsian
- magnesia
- masses
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/42—Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls
- C03B5/43—Use of materials for furnace walls, e.g. fire-bricks
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
- C03B5/237—Regenerators or recuperators specially adapted for glass-melting furnaces
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/03—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
- C04B35/04—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
- C04B35/043—Refractories from grain sized mixtures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/20—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in magnesium oxide, e.g. forsterite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/44—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
Abstract
LES BRIQUES OU LES MASSES REFRACTAIRES BASIQUES CONFORMES A L'INVENTION, A BASE DE MELANGES D'OLIVINE ET DE MAGNESIE EVENTUELLEMENT AVEC UNE QUANTITE SUPPLEMENTAIRE DE SPINELLE DE MAGNESIUM-ALUMINIUM, OU BIEN A BASE DE SPINELLE DE MAGNESIUM-ALUMINIUM SONT CARACTERISEES PAR LE FAIT QU'ELLES CONTIENNENT DU CELSIAN OU DES CONSTITUANTS POUVANT FORMER DU CELSIAN AUX TEMPERATURES DE CUISSON OU D'UTILISATION, EN UNE QUANTITE COMPRISE ENTRE 1 ET 20 EN POIDS, CALCULEE EN OXYDE DE BARYUM. CES BRIQUES ONT UNE MEILLEURE RESISTANCE MECANIQUE ET UNE MEILLEURE RESISTANCE A LA CORROSION VIS-A-VIS DES SELS CONTENANT DES PRODUITS ALCALINS PROVENANT DE LA FARINE CRUE DE CIMENT ET VIS-A-VIS DES GAZ DE FOURS CONTENANT DES PRODUITS ALCALINS ET DU SO, PAR RAPPORT AUX BRIQUES OU MASSES REFRACTAIRES BASIQUES CLASSIQUES. UTILISATION DE CES BRIQUES POUR LE REVETEMENT DES FOURS POUR CIMENT ET DES REGENERATEURS DE FOURS DE VERRERIE.BRICKS OR BASIC REFRACTORY MASSES IN ACCORDANCE WITH THE INVENTION, BASED ON MIXTURES OF OLIVINE AND MAGNESIA, POSSIBLY WITH AN ADDITIONAL QUANTITY OF MAGNESUM-ALUMINUM SPINEL, OR BASED ON MAGNESUM-ALUMINUM SPINEL, HAVE THE CHARACTERISM WHETHER CONTAIN CELSIAN OR CONSTITUENTS WHICH MAY FORM CELSIAN AT COOKING OR USE TEMPERATURES, IN AN AMOUNT BETWEEN 1 AND 20 BY WEIGHT, CALCULATED AS BARIUM OXIDE. THESE BRICKS HAVE BETTER MECHANICAL RESISTANCE AND BETTER CORROSION RESISTANCE TO SALTS CONTAINING ALKALINE PRODUCTS FROM RAW CEMENT FLOUR AND TO GASES FROM OVEN CONTAINING ALKALINE PRODUCTS AND SO, COMPARED TO CLASSIC BASIC REFRACTORY BRICKS OR MASSES. USE OF THESE BRICKS FOR THE COATING OF CEMENT KILNS AND GLASSWARE KILN REGENERATORS.
Description
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BRIQUES OU MASSES REFRACTAIRES BASIQUES A BASE DE MELANGES BRICKS OR BASIC REFRACTORY MASSES BASED ON MIXTURES
D'OLIVINE ET DE MAGNESIE OU DE SPINELLE DE MAGNESIUM- OF OLIVINE AND MAGNESIA OR SPINELLE OF MAGNESIUM-
ALUMINIUM CONTENANT DU CELSIAN, LEUR PROCEDE DE FABRICATION ALUMINUM CONTAINING CELSIAN, PROCESS FOR PRODUCING THE SAME
ET LEUR UTILISATION.AND THEIR USE.
La présente invention concerne des briques ou The present invention relates to bricks or
des masses réfractaires basiques à base de mélanges d'oli- basic refractory masses based on olive mixtures
vine et de magnésie, éventuellement avec une quantité supplémentaire de spinelle de magnésium-aluminium ou à base de spinelle de magnésiumaluminiumen particulier pour le revêtement des fours rotatifs pour ciment et desrégénérateurs and magnesia, optionally with additional magnesium-aluminum spinel or magnesium aluminum spinel in particular for coating rotary kilns for cement and regenerators
de fours de verrerie.of glass furnaces.
D'après le brevet allemand 536 799, on connaît déjà des masses céramiques à base de celsian, c'est-à-dire BaO.A1203.2Si02, qui possèdent une meilleure résistance aux bases parmi les corps moulés fabriqués à partir de ces According to the German Patent 536 799, celsian ceramic masses, that is to say BaO.A1203.2SiO2, which have a better resistance to the bases among the moldings produced from these materials, are already known.
masses. Ces masses contiennent cependant surtout les cons- masses. These masses, however, contain especially the
tituants nécessaires à la formation de celsian et ne necessary for the formation of celsian and
contiennent aucune autre matière réfractaire. contain no other refractory material.
La présente invention a pour objet la fabrication de briques ou de masses réfractaires basiques qui ont une meilleure résistance mécanique et une meilleure résistance à la corrosion vis-à-vis des sels contenant des produits alcalins provenant de la farine crue de ciment et vis-à-vis des gaz de fours contenant des produits alcalins et SO3 comparativement aux briques basiques à base de mélanges The present invention relates to the manufacture of bricks or basic refractory masses which have a better mechanical strength and a better resistance to corrosion vis-à-vis salts containing alkaline products from raw cement flour and vis-à-vis - furnace gases containing alkaline products and SO3 compared to basic bricks based on mixtures
d'olivine et de magnésiejou de spinelle de magnésium-alu- of magnesium and magnesium magnesium-aluminum spinel
minium cuites ou liées chimiquementles briques ou les masses conformes à l'invention acquérant déjà leurs propriétés avantageuses quand elles sont cuites à basse température ou qu'elles sont mises en oeuvre aux basses minium cooked or chemically bonded bricks or masses according to the invention already acquiring their advantageous properties when they are cooked at low temperature or they are implemented at low temperatures
températures d'utilisation.operating temperatures.
Les briques ou les masses réfractaires basiques conformes à l'invention sont caractérisées par le fait qu'elles contiennent du celsian ou des constituants pouvant The bricks or basic refractory masses according to the invention are characterized by the fact that they contain celsian or constituents which can
former le celsian aux températures de cuisson ou d'utilisa- to form celsian at cooking or use temperatures
2 25575642 2557564
tion en une quantité comprise entre 1 et 20 % en poids in an amount of from 1 to 20% by weight
calculée en oxyde de baryum.calculated as barium oxide.
Selon un mode de réalisation préféré, les briques ou masses conformes à l'invention contiennent du celsian ou les constituants pouvant former le celsianen une quan- According to a preferred embodiment, the bricks or masses according to the invention contain celsian or the constituents which can form the celsian in a quantity.
tité de 3 à 8 % en-poids, calculée en oxyde de baryum. from 3 to 8% by weight, calculated as barium oxide.
Selon une autre forme de réalisation préférée qui concerne les briques cuites, celles-ci sont cuites à According to another preferred embodiment which relates to the cooked bricks, they are cooked to
1100-1500 C.1100-1500C
Le procédé conforme à l'invention pour la fabri- The process according to the invention for the manufacture
cation des briques cuites est caractérisé par le fait qu'au mélange de départ pour la fabrication des briques cuites, on ajoute du sulfate de baryum comme constituant capable de, The cation of the baked bricks is characterized in that barium sulphate is added to the starting mixture for the production of the baked bricks as a component capable of
et nécessaire pour former le celsian. and necessary to form the celsian.
La fabrication des briques ou des masses réfrac- The manufacture of bricks or refractory masses
taires basiques s'effectue de façon classique en mélangeant les matières de départ présentant une taille de grain appropriée. Comme matière de départ réfractaire, on utilise Basic materials are conventionally made by mixing the starting materials having an appropriate grain size. As a refractory starting material, we use
pour les briques ou les masses réfractaires basiques con- for bricks or basic refractory masses
formes à l'invention,de l'olivine. L'olivine est une forms to the invention, olivine. Olivine is a
matière d'origine naturelle qui est travaillée éventuelle- matter of natural origin which is worked
ment de façon appropriée et qui est broyée aux grosseurs de grains souhaitées.Cette matière de départ olivine peut être utilisée avec des grosseurs de grains de O à 6 mm, de préférence de O à 4 mm et mieux de O à 3 mm. Le deuxième The olivine starting material can be used with grain sizes of 0 to 6 mm, preferably 0 to 4 mm and more preferably 0 to 3 mm. The second
constituant du mélange de départ réfractaire est la magnésie. constituent of the refractory starting mixture is magnesia.
Cette magnésie est utilisée avantageusement sous forme de magnésie frittée et présente des grosseurs de grains classiquesavantageusement de 0 à 0,2 mm. Le spinelle de magnésium-aluminium (MgO.A1203) est utilisé sous forme de produit fritté au préalable avec également une répartition This magnesia is advantageously used in the form of sintered magnesia and has conventional grain sizes advantageously from 0 to 0.2 mm. Magnesium aluminum spinel (MgO.A1203) is used as a previously sintered product with a distribution as well.
granulométrique usuelle, par exemple de 0 à 6 mm, de préfé- particle size, for example from 0 to 6 mm, preferably
rence de 0 à 3 mm. Dans les mélanges d'olivine et de magnésie, la magnésie existe sous forme de magnésie frittée from 0 to 3 mm. In olivine and magnesia mixtures magnesia exists in the form of sintered magnesia
à raison de 2 à 10 % en poids.at 2 to 10% by weight.
3 25575643 2557564
Dans le mélange de départ réfractaire, il peut In the refractory starting mixture, it can
y avoir éventuellement encore du spinelle de magnésium- there may still be magnesium spinel-
aluminium en une quantité comprise entre 5 et 15 % en poids. aluminum in an amount of between 5 and 15% by weight.
Le celsian contenu dans les briques ou masses conformes à l'invention est utilisé de préférence à l'état The celsian contained in the bricks or masses according to the invention is preferably used in the state
broyé, c'est-à-dire avec une grosseur de grain de 0 à 0,6 mm. ground, that is to say with a grain size of 0 to 0.6 mm.
Dans le cas o dans les briques ou les masses réfractaires basiquesle celsian n'est pas ajouté sous forme de produit complètement préformé, mais sous forme des constituants capables de former le celsian aux températures de cuisson ou aux températures d'utilisation des briques ou des masses conformes à l'invention, en tant que constituant générateur d'oxyde de baryum, le carbonate de baryum, ou de préférence le sulfate de baryum,peuvent être utilisés sous forme finement broyée, c'est-à-dire sous forme de ce qu'on appelle poudre avec une grosseur de grain inférieure à 0,09 mm et de préférence inférieure à 0,04 mm. Comme autres constituantspour former le celsian aux température de cuisson ou aux températures d'utilisation, on utilise des matières contenant A1203 et/ou Si02, finement divisés telles que corindon, alumine calcinée argile réfractaire, silicates d'aluminium (composition approximative A1203.SiO2 par exemple andalusite, kerphalite), quartz, silice fondue et acide silicique pyrogéné. Ces constituants fournissant A1203/SiO2 sont utilisés également à l'état finement broyé, c'est-à-dire avec une grosseur de grain inférieure à 0,09 mm In the case where in bricks or basic refractory masses the celsian is not added as a completely preformed product, but in the form of constituents capable of forming the celsian at the baking temperatures or at the operating temperatures of the bricks or masses according to the invention, as the barium oxide generating component, barium carbonate, or preferably barium sulfate, can be used in finely ground form, ie in the form of is called powder with a grain size less than 0.09 mm and preferably less than 0.04 mm. As other constituents for forming the celsian at cooking temperatures or temperatures of use, finely divided Al 2 O 3 and / or SiO 2 containing materials such as corundum, calcined refractory clay alumina, aluminum silicates (approximate composition Al 2 O 3 SiO 2 by example andalusite, kerphalite), quartz, fused silica and pyrogenic silicic acid. These constituents providing A1203 / SiO2 are also used in the finely ground state, that is to say with a grain size of less than 0.09 mm
et de préférence inférieure à 0,04 mm. and preferably less than 0.04 mm.
Les proportions des constituants capables de The proportions of constituents capable of
former du celsian sont choisies de façon à ce que la forma- to form celsian are chosen so that
tion de la phase celsian, c'est-à-dire BaO.A1203.2SiO2, celsian phase, i.e. BaO.A1203.2SiO2,
soit possible. Une quantité légèrement en excès ou légère- be possible. A slightly excess or slight amount
ment en défaut de A1203 ou de SiO2 n'est pas gênante dans ce cas, car à côté du celsian il se forme en faible quantité fault in A1203 or SiO2 is not a problem in this case, because in addition to the celsian it is formed in small quantities
encore d'autres phases minérales ou des phases vitreuses. still other mineral phases or vitreous phases.
4 25575644 2557564
Lors de la fabrication des briques ou des masses When making bricks or masses
réfractaires basiques, d'autres additifs utilisés habituel- basic refractories, other additives commonly used
lement dans le domaine des réfractaires peuvent être incor- in the field of refractories may be incor-
porés, sont appropriés par exemple des liants organiques, c'est-à-dire des liants temporaires tels que la liqueur noire ou des liants provoquant une liaison chimique comme le sulfate de magnésium ou le polyphosphate de sodium. Au Suitable pores are, for example, organic binders, i.e., temporary binders such as black liquor or binders causing a chemical bond such as magnesium sulfate or sodium polyphosphate. the
cours de la fabrication des briques ou des masses réfrac- during the manufacture of bricks or refractories
taires basiques, on ajoute encore de l'eau si nécessaire, la quantité d'eau dépendant du type de produit final à fabriquer. Cette quantité d'eau peut être toutefois établie If necessary, the amount of water depends on the type of final product to be manufactured. This quantity of water can however be established
en se basant sur de simples essais préliminaires. based on simple preliminary tests.
La présente invention est illustrée par les The present invention is illustrated by the
exemples descriptifs et non limitatifs ci-après. descriptive and nonlimiting examples below.
Exemple 1Example 1
parties en poids de magnésie ayant une taille de grain de 0 à 0,2 mm, 45 parties en poids d'olivine ayant une taille de grain de 1 à 6 mm et 50 parties en poids d'olivine ayant une taille de grain de 0 à 1 mm sont mélangées complètement dans un mélangeur. Ensuite, 10 parties en poids de poudre de sulfate de baryum ayant une taille de grain inférieure à 0,09 mm et 15 parties en poids de kerphalite ayant une taille de grain inférieure à 0,09 mm sont ajoutées. Au mélange sont encore ajoutées 2,4 parties en poids de liqueur noire, en tant que liant organique temporaire, ainsi que 1 partie en poids d'eau, et on mélange complètement. A partir de ce mélange, on fabrique des briques que l'on cuit à 1450 C dans un four tunnel après parts by weight of magnesia having a grain size of 0 to 0.2 mm, 45 parts by weight of olivine having a grain size of 1 to 6 mm and 50 parts by weight of olivine having a grain size of 0 to 1 mm are thoroughly mixed in a mixer. Next, 10 parts by weight of barium sulfate powder having a grain size of less than 0.09 mm and 15 parts by weight of kerphalite having a grain size of less than 0.09 mm are added. To the mixture are further added 2.4 parts by weight of black liquor, as a temporary organic binder, as well as 1 part by weight of water, and mixed thoroughly. From this mixture, bricks are made which are cooked at 1450 C in a tunnel kiln after
les avoir séchées au préalable à 120 C. have dried before 120 C.
Exemple 2Example 2
On répète le mode opératoire de l'exemple 1, mais en utilisant 5 parties en poids de magnésie, 10 parties en poids de spinelle de magnésiumaluminium et 40 parties d'olivine ayant une taille de grain de 1 à 6 mm et parties en poids d'olivine ayant une taille de grain The procedure of Example 1 is repeated, but using 5 parts by weight of magnesia, 10 parts by weight of magnesium aluminum spinel and 40 parts of olivine having a grain size of 1 to 6 mm and parts by weight of olivine having a grain size
de O à 1 mm.from 0 to 1 mm.
On obtient des briques ayant une densité apparente de 2,71 et une résistance à la compression au froid de N/mmÀ Bricks having an apparent density of 2.71 and a compressive strength of N / mm 2 are obtained.
Exemple 3Example 3
Comme matière de départ réfractaire, on utilise dans cet exemple un spinelle de magnésium-aluminium'fabriqué par synthèse. La répartition granulométrique de ce spinelle est la suivante: % en poids 0-0,1 mm % en poids 0,1-2 mm As a refractory starting material, in this example a magnesium aluminum spinel made by synthesis is used. The particle size distribution of this spinel is as follows:% by weight 0-0.1 mm% by weight 0.1-2 mm
% en poids 2 - 4 mm.% by weight 2 - 4 mm.
On répète le mode opératoire de l'exemple 1, c'est-à-dire que pour 100 parties en poids du spinelle de magnésium-aluminium on ajoute 10 parties en poids de poudre de sulfate de baryum et 15 parties en poids de poudre de kerphalite. Les briques fabriquées à partir de ce mélange The procedure of Example 1 is repeated, ie for 100 parts by weight of the magnesium aluminum spinel, 10 parts by weight of barium sulphate powder and 15 parts by weight of magnesium powder are added. kerphalite. Bricks made from this mixture
sont cuites également dans un four tunnel à 1450 C. are also cooked in a tunnel oven at 1450 C.
6 25575646 2557564
Claims (5)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3347250A DE3347250C2 (en) | 1983-12-28 | 1983-12-28 | Basic, refractory bricks or masses based on mixtures of olivine-magnesia and / or magnesium-aluminum-spinel, their manufacture and use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2557564A1 true FR2557564A1 (en) | 1985-07-05 |
| FR2557564B1 FR2557564B1 (en) | 1989-03-10 |
Family
ID=6218259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR848419840A Expired FR2557564B1 (en) | 1983-12-28 | 1984-12-26 | BASIC REFRACTORY BRICKS OR MASSES BASED ON MIXTURES OF OLIVINE AND MAGNESIUM OR MAGNESIUM-ALUMINUM SPINELLA CONTAINING CELSIAN, THEIR MANUFACTURING PROCESS AND THEIR USE |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT382144B (en) |
| DE (1) | DE3347250C2 (en) |
| FR (1) | FR2557564B1 (en) |
| GB (1) | GB2152025B (en) |
| IT (1) | IT1178441B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6660350B1 (en) | 1997-03-03 | 2003-12-09 | Itt Automotive, Inc. | Electro-optical removal of plastic layer bonded to a metal tube |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3527789C3 (en) * | 1985-08-02 | 1994-02-24 | Refratechnik Gmbh | Coarse ceramic molded body and its use |
| DE102012106753A1 (en) | 2012-07-25 | 2014-01-30 | Süddeutsche Feinmechanik GmbH | cannula |
| US20160214905A1 (en) * | 2015-01-23 | 2016-07-28 | Resco Products, Inc. | Refractory bricks and methods of making the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE536799C (en) * | 1926-12-19 | 1931-11-17 | Felix Singer Dr Ing Dr | Process to increase the base resistance of ceramic bodies of the three-component system |
| DE1227819B (en) * | 1965-02-23 | 1966-10-27 | Didier Werke Ag | Refractory silicate masses |
| DE1471159A1 (en) * | 1959-08-04 | 1969-01-23 | Gen Electric | Electrical insulating material mainly made of forsterite and / or spinel |
| FR2218305A1 (en) * | 1973-02-19 | 1974-09-13 | Didier Werke Ag | Fired moulded refractory magnesium silicate body - containing spinel prepared beforehand, for glass melting furnaces |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT373574B (en) * | 1980-09-09 | 1984-02-10 | Oesterr Amerikan Magnesit | FIRE-RESISTANT, ASBEST-FREE, INSULATING SPLASH |
-
1983
- 1983-12-28 DE DE3347250A patent/DE3347250C2/en not_active Expired
-
1984
- 1984-12-03 IT IT49235/84A patent/IT1178441B/en active
- 1984-12-13 AT AT0396484A patent/AT382144B/en not_active IP Right Cessation
- 1984-12-26 FR FR848419840A patent/FR2557564B1/en not_active Expired
- 1984-12-28 GB GB08432731A patent/GB2152025B/en not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE536799C (en) * | 1926-12-19 | 1931-11-17 | Felix Singer Dr Ing Dr | Process to increase the base resistance of ceramic bodies of the three-component system |
| DE1471159A1 (en) * | 1959-08-04 | 1969-01-23 | Gen Electric | Electrical insulating material mainly made of forsterite and / or spinel |
| DE1227819B (en) * | 1965-02-23 | 1966-10-27 | Didier Werke Ag | Refractory silicate masses |
| FR2218305A1 (en) * | 1973-02-19 | 1974-09-13 | Didier Werke Ag | Fired moulded refractory magnesium silicate body - containing spinel prepared beforehand, for glass melting furnaces |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6660350B1 (en) | 1997-03-03 | 2003-12-09 | Itt Automotive, Inc. | Electro-optical removal of plastic layer bonded to a metal tube |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1178441B (en) | 1987-09-09 |
| GB2152025A (en) | 1985-07-31 |
| ATA396484A (en) | 1986-06-15 |
| FR2557564B1 (en) | 1989-03-10 |
| AT382144B (en) | 1987-01-12 |
| DE3347250A1 (en) | 1985-07-11 |
| GB8432731D0 (en) | 1985-02-06 |
| IT8449235A0 (en) | 1984-12-03 |
| GB2152025B (en) | 1987-03-11 |
| DE3347250C2 (en) | 1985-11-21 |
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