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BROGIOTTI ANTONIN
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BROGIOTTI ANTONIN
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Publication of ES199895A1publicationCriticalpatent/ES199895A1/en
Perfeccionamientos en máquinas para la fabricación de tornillos, tirafondos y pernos, caracterizándose porque comprende un rodillo de presión a troquel que lleva en su superficie de circunferencia el desarrollo de todo el largo de los filetes que han de establecerse sobre las piezas a labrar, con el perfil, peso y demás características, así como los espacios entre los filetes determinantes del núcleo, y porque la máquina comprende asimismo una o dos poleas que presionan la barra metálica a labrar entre el rodillo de troquel, poleas que se accionan, juntamente con dicho rodillo a una velocidad circunferencial conveniente para la rotación de la pieza a labrar.Improvements in machines for the manufacture of screws, lag screws and bolts, characterized in that it comprises a die-cast pressure roller that carries the development of the entire length of the fillets to be established on the pieces to be machined on its circumference surface, with the profile, weight and other characteristics, as well as the spaces between the determining threads of the core, and because the machine also includes one or two pulleys that press the metal bar to be machined between the die roll, pulleys that are driven, together with said roll at a suitable circumferential speed for the rotation of the workpiece.
ES0199895A1951-09-181951-10-06
IMPROVEMENTS IN MACHINES FOR THE MANUFACTURE OF SCREWS, SCREWS AND BOLTS
ExpiredES199895A1
(en)
Improvements in the construction of trocean machines used in the manufacture of feed and similar work (Machine-translation by Google Translate, not legally binding)