METODO Y APARATO PARA EXTRUDAR ARTICULOS CEMENTOSOS

METODO Y APARATO (20) PARA EXTRUDAR FIBROCEMENTO. LA MAQUINA EXTRUSORA COMPRENDE UN ALOJAMIENTO (30) CON UN PAR DE TORNILLOS INTERACTUABLES AUTOLIMPIANTES (40), MONTADOS DE MANERA GIRATORIA EN EL MISMO. LOS TORNILLOS MEZCLAN Y/O AMASAN CONTINUAMENTE LOS COMPONENTES DEL FIBROCEMENTO PROVISTOS A TRAVE...

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Hauptverfasser:	GORINGE NILMINI SUREKA, CHEN HONG, BURWOOD RICHARD JOHN, MAXWELL IAN ANDREW
Format:	Patent
Sprache:	spa
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS PREPARING CLAY PRESSES PRESSES IN GENERAL PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL,e.g. PLASTER REFRACTORIES 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 TRANSPORTING TREATMENT OF NATURAL STONE WORKING CEMENT, CLAY, OR STONE WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Zusammenfassung:	METODO Y APARATO (20) PARA EXTRUDAR FIBROCEMENTO. LA MAQUINA EXTRUSORA COMPRENDE UN ALOJAMIENTO (30) CON UN PAR DE TORNILLOS INTERACTUABLES AUTOLIMPIANTES (40), MONTADOS DE MANERA GIRATORIA EN EL MISMO. LOS TORNILLOS MEZCLAN Y/O AMASAN CONTINUAMENTE LOS COMPONENTES DEL FIBROCEMENTO PROVISTOS A TRAVES DE DIFERENTES MEDIOS DE ALIMENTACION (61, 62) PARA FORMAR UNA PASTA SUSTANCIALMENTE HOMOGENEA Y FORZAR LA PASTA A TRAVES DE LA MATRIZ (50) PARA FORMAR UNA PIEZA CEMENTOSA EXTRUDADA CRUDA, APROPIADA PARA FRAGUAR. A method and apparatus (20) for extruding fibre cement. The extruder comprises a casing (30) with a pair of inter-meshing self-wiping screws (40) rotatably mounted therein. The screws continuously mix and or knead the components of the fibre cement provided through various feed means (61, 62) to form a substantially homogeneous paste and force the paste through a die (50) to form a green cementitious extrudate suitable for curing.