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Priority to ES401324ApriorityCriticalpatent/ES401324A2/es
Publication of ES401324A2publicationCriticalpatent/ES401324A2/es
Mejoras introducidas en el objeto de la patente principal número 273.230, por "nuevo procedimiento de fabricación introducido en los tiradores para muebles y similares", caracterizadas porque la varilla metálica que constituye el alma del tirador presenta embutida su zona central en una pieza tubular ondulada, preferentemente de materiales plásticos, cuyo interior tiene dos diámetros diferentes, el primero de los cuales, que corresponde a su parte central es menor que el que presentan sus dos extremidades, siendo los de éstas iguales entre sí.
ES401324A1972-03-291972-03-29Nuevo procedimiento de fabricacion introducido en los tira-dores para muebles y similares.
ExpiredES401324A2
(es)
Method and die for the manufacture of a cold-hardened structural steel product in the form of a cylindrical rod having a hollow core portion, suitable for reinforcing concrete