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International Lead Zinc Research Organization Inc
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International Lead Zinc Research Organization Inc
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Application filed by International Lead Zinc Research Organization IncfiledCriticalInternational Lead Zinc Research Organization Inc
Publication of ES508771A0publicationCriticalpatent/ES508771A0/es
Publication of ES8308593A1publicationCriticalpatent/ES8308593A1/es
PROCEDIMIENTO PARA APLICAR UN REVESTIMIENTO PROTECTOR A UN SUBSTRATO METALICO. COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, SE PRECALIENTA EL SUBSTRATO METALICO EN UNA ATMOSFERA NO OXIDANTE HASTA UNA TEMPERATURA COMPRENDIDA ENTRE 680 Y 860 GRADOS Y DURANTE UN TIEMPO DE 1 A 10 MINUTOS; SEGUNDA, SE ENFRIA EL SUBSTRATO PRECALENTADO HASTA APROXIMADAMENTE 430 GRADOS; TERCERA, SE INTRODUCE EL SUBSTRATO EN UN BAÑO DE ALEACCION FUNDIDA QUE CONTIENE DE UN 3 A UN 15% DE ALUMINIO Y EL RESTO ES ZINC; Y POR ULTIMO, SE RETIRA EL SUBSTRATO REVESTIDO DEL BAÑO E INMEDIATAMENTE DESPUES SE LE FROTA Y ENFRIA CON UN CHORRO DE GAS DE NITROGENO O DE NITROGENO-HIDROGENO.
ES82508771A1981-01-161982-01-15Un procedimiento para aplicar un revestimiento protector a un sustrato metalico.
ExpiredES8308593A1
(es)