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MALMAC ALLOY PRODUCTS Ltd
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MALMAC ALLOY PRODUCTS Ltd
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Publication date
Application filed by MALMAC ALLOY PRODUCTS LtdfiledCriticalMALMAC ALLOY PRODUCTS Ltd
Priority to ES493147ApriorityCriticalpatent/ES8104024A3/es
Publication of ES493147A0publicationCriticalpatent/ES493147A0/es
Publication of ES8104024A3publicationCriticalpatent/ES8104024A3/es
PROCEDIMIENTO PARA LA PREPARACION DE MOLDES Y MACHOS DE FUNDICION. CONSISTE EN MEZCLAR EN LAS PROPORCIONES ADECUADAS: ARENA, RESINA, UN CATALIZADOR Y AGUA, EN UN APARATO MEZCLADOR CONTINUO Y CON LA PASTA FORMADA PREPARAR LOS MOLDES Y MACHOS DE FUNDICION. COMO RESINA SE UTILIZA FORMALDEHIDO DE FENOL, ALCOHOL DE FURFURILO, FORMALDEHIDO DE UREA, O MEZCLAS DE VARIOS DE ELLOS. COMO CATALIZADOR SE USA ACIDO TOLUENOSULFONICO, ACIDO CUMINOSULFONICO O ACISO XILENOSULFONICO. LA TEMPERATURA DE MEZCLADO SUELE SER SUPERIRO A LOS 25 GRADOS.
ES493147A1980-07-041980-07-04Procedimiento para la preparacion de moldes y machos de fun-dicion
ExpiredES8104024A3
(es)