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Publication of FR641054ApublicationCriticalpatent/FR641054A/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
B21C23/00—Extruding metal; Impact extrusion
B21C23/02—Making uncoated products
B21C23/04—Making uncoated products by direct extrusion
B21C23/14—Making other products
B21C23/16—Making turbo blades or propellers
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Engineering & Computer Science
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Mechanical Engineering
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FR641054D1926-09-231927-09-16Procédé d'obtention de pièces métalliques par filage
ExpiredFR641054A
(fr)