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METALLURG DE MONTBARD AULNOYE
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METALLURG DE MONTBARD AULNOYE
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Application filed by METALLURG DE MONTBARD AULNOYEfiledCriticalMETALLURG DE MONTBARD AULNOYE
Application grantedgrantedCritical
Publication of FR414519ApublicationCriticalpatent/FR414519A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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 for metal drawing
B21C3/02—Dies; Selection of material therefor; Cleaning thereof
B21C3/08—Dies; Selection of material therefor; Cleaning thereof with section defined by rollers, balls, or the like
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR414519D1909-06-211909-06-21Procédé et machine pour la fabrication des canons de fusils
ExpiredFR414519A
(fr)