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Priority to ARP970101508ApriorityCriticalpatent/AR006656A1/en
Publication of AR006656A1publicationCriticalpatent/AR006656A1/en
Un método y aparato para la formación de un elemento tubular, donde de forma un armazón a partir de una pieza tubular bruta dentro de unacavidad de matriz seccionada que tiene una parte interna y una parte de transición externa. Se deforma un extremo externo de la pieza tubular cerrandoen forma parcial las secciones de la matriz antes de cerrar las secciones de la matriz en forma completa y formar un armazón a presión.A method and apparatus for forming a tubular element, where it forms a frame from a tubular blank within a sectioned die cavity having an internal part and an external transition part. An outer end of the tubular piece is deformed by partially closing the die sections before completely closing the die sections and forming a snap frame.
ARP970101508A1997-04-151997-04-15
METHOD AND APPARATUS FOR THE FORMATION OF A TUBULAR ELEMENT
AR006656A1
(en)