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MACH ACOMA ATEL CONST
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MACH ACOMA ATEL CONST
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Application filed by MACH ACOMA ATEL CONSTfiledCriticalMACH ACOMA ATEL CONST
Application grantedgrantedCritical
Publication of FR1067984ApublicationCriticalpatent/FR1067984A/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
B21C23/20—Making uncoated products by backward extrusion
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR1067984D1951-12-041952-09-05Procédé pour la fabrication, par filage, de pièces creuses ou pleines, plus spécialement en alliage ferreux
ExpiredFR1067984A
(fr)