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Publication of FR891556ApublicationCriticalpatent/FR891556A/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
B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
B21C3/02—Dies; Selection of material therefor; Cleaning thereof
B21C3/04—Dies; Selection of material therefor; Cleaning thereof with non-adjustable section
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FR891556D1942-03-111943-02-26Filière pour l'étirage de fil, barres et tuyaux
ExpiredFR891556A
(fr)