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Televerket
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Televerket
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Priority to ES539851ApriorityCriticalpatent/ES8607797A1/es
Publication of ES8607797A1publicationCriticalpatent/ES8607797A1/es
Publication of ES539851A0publicationCriticalpatent/ES539851A0/es
Chemical And Physical Treatments For Wood And The Like
(AREA)
Abstract
METODO PARA FABRICAR UN RECEPTACULO DE MADERA PARA APARATOS TELEFONICOS Y SIMILARES. COMPRENDE: A) SECAR INICIALMENTE A UN TROZO DE MADERAJE, EN VACIO, DENTRO DE UN HORNO, A 50JC, DURANTE 5 A 75 DIAS, HASTA QUE TENGA UN CONTENIDO DE HUMEDAD ENTRE UN 4 A 5% EN PESO Y SE ENCUENTRE AL LIMITE DE DESPLOME DE LA CELULA; B) AUMENTAR LA TEMPERATURA FINAL DEL SECADO A 65JC, PARA HACER SALIR A LA RESINA CONTENIDA EN EL MADERAJE HACIA AFUERA Y CERRAR LAS FIBRAS MODULARES DE LA MADERA PARA IMPEDIR QUE REABSORBA LA HUMEDAD Y FORMAR LA PIEZA DEL RECEPTACULO: C) TRABAJAR A LA PIEZA PARA DARLE FORMA FINAL, D) REFORZAR A LA PIEZA MEDIANTE ACABADO UN ENCOLADO TRANSVERSAL LAMINADO CON UN MATERIAL DE REFUERZO Y E) BARNIZAR A LA PIEZA ENCOLADA PARA CERRAR LOS POROS DE LA MADERA.
ES539851A1985-01-251985-01-25Metodo para fabricar un receptaculo de madera para aparatos telefonicos y similares.
ExpiredES8607797A1
(es)
Procedimento per la fabbricazione di una cassa per apparecchi telefonici, di un microtelefono o di altra custodia in legno da usare nell'industria delle telecomunicazioni