COLD ISOPRESSING METHOD

A cold isopressing method in which first and second layers of at least two layers are formed within an isopressing mold and the second of the layers is isostatically pressed against the first of the layers to compact the second layer. The layers can be formed from different materials, for instance g...

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Bibliographische Detailangaben
Hauptverfasser:	CALLAHAN, SHAWN, W, APTE, PRASAD, S
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS BRAIDING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE COTTON-WOOL ELECTRICITY FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING LIME, MAGNESIA MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METALLURGY NON-WOVEN FABRICS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRESSES PRESSES IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY REFRACTORIES SEPARATION SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SLAG TEXTILES TRANSPORTING TREATMENT OF NATURAL STONE TRIMMINGS WADDING WORKING CEMENT, CLAY, OR STONE WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A cold isopressing method in which first and second layers of at least two layers are formed within an isopressing mold and the second of the layers is isostatically pressed against the first of the layers to compact the second layer. The layers can be formed from different materials, for instance granular materials or slurries. Each layer can additionally have different levels of materials. The granular materials can have pore formers to produce intermediate porous layers. Channel forming materials can be positioned between layers during isopressing. Alternatively, the first layers can be preformed by extrusion, slip casting or injection isopressing molding. One or more of the layers can have two or more regions of different ceramic materials.