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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Publication of DE2834580A1publicationCriticalpatent/DE2834580A1/de
Application grantedgrantedCritical
Publication of DE2834580C2publicationCriticalpatent/DE2834580C2/de
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
B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
B21C3/02—Dies; Selection of material therefor; Cleaning thereof