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Alfa Romeo Milano Napoli SA
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Alfa Romeo Milano Napoli SA
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Publication date
Application filed by Alfa Romeo Milano Napoli SAfiledCriticalAlfa Romeo Milano Napoli SA
Application grantedgrantedCritical
Publication of FR919452ApublicationCriticalpatent/FR919452A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C25/00—Profiling tools for metal extruding
B21C25/08—Dies or mandrels with section variable during extruding, e.g. for making tapered work; Controlling variation
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR919452D1945-12-271945-12-27Procédé et dispositif pour la fabrication de profilés coniques par extrusion
ExpiredFR919452A
(fr)