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1. WO1996016918 - PROCESS AND APPARATUS FOR MAKING CERAMIC ARTICLES

Publication Number WO/1996/016918
Publication Date 06.06.1996
International Application No. PCT/BE1995/000109
International Filing Date 24.11.1995
Chapter 2 Demand Filed 15.12.1995
IPC
C04B 35/565 2006.01
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
35Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
515based on non-oxides
56based on carbides
565based on silicon carbide
C04B 35/65 2006.01
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
35Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
64Burning or sintering processes
65Reaction sintering of free metal- or free silicon-containing compositions
C23C 4/18 2006.01
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
4Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
18After-treatment
F27D 1/16 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS, OVENS OR RETORTS
DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
1Casings; Linings; Walls; Roofs
16Making or repairing linings
CPC
C04B 35/565
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
35Shaped ceramic products characterised by their composition
515based on non-oxide ceramics
56based on carbides ; or oxycarbides
565based on silicon carbide
C04B 35/651
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
35Shaped ceramic products characterised by their composition
622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
64Burning or sintering processes
65Reaction sintering of free metal- or free silicon-containing compositions
651Thermite type sintering, e.g. combustion sintering
C23C 4/185
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
4Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
18After-treatment
185Separation of the coating from the substrate
F27D 1/1647
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS; OVENS; RETORTS
DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
1Casings; Linings; Walls; Roofs
16Making or repairing linings ; increasing the durability of linings or breaking away linings
1636Repairing linings by projecting or spraying refractory materials on the lining
1642using a gunning apparatus
1647the projected materials being partly melted, e.g. by exothermic reactions of metals (Al, Si) with oxygen
Applicants
  • GLAVERBEL [BE]/[BE] (AllExceptUS)
  • MEYNCKENS, Jean-Pierre [BE]/[BE] (UsOnly)
  • ROBERT, Jean-Pierre [BE]/[BE] (UsOnly)
Inventors
  • MEYNCKENS, Jean-Pierre
  • ROBERT, Jean-Pierre
Agents
  • VANDENBERGHEN, Lucienne
Priority Data
9423985.228.11.1994GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PROCESS AND APPARATUS FOR MAKING CERAMIC ARTICLES
(FR) PROCEDE ET APPAREIL DE FABRICATION D'ARTICLES EN CERAMIQUE
Abstract
(EN)
A process and apparatus for making a ceramic article, especially pipes and tubes of ceramic material such as silicon carbide, in which the article is formed by projecting a ceramic powder mixture comprising refractory particles and combustible particles against a smooth-surfaced metal former which is heated to a temperature of at least 850 °C where in the presence of an oxygen-rich gas the combustible particles react exothermically to produce from the refractory particles and the reaction product of the combustible particles a coherent refractory article in the shape of the former.
(FR)
Cette invention concerne un procédé et un appareil pour la fabrication d'articles en céramique, notamment de tuyaux et de tubes contenant des matériaux céramiques tels que le carbure de silicium. L'article est fabriqué par la projection d'un mélange à base de poudre de céramique contenant également des particules réfractaires et des particules combustibles, sur une filière métallique lisse chauffée à une température d'au moins 850 °C. En présence d'un gaz riche en oxygène, les particules combustibles produisent une réaction exothermique permettant d'obtenir, à partir des particules réfractaires et du produit de la réaction des particules combustibles, un article réfractaire cohérent de la forme de la filière.
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