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Publication of FR425875ApublicationCriticalpatent/FR425875A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
B21D22/20—Deep-drawing
B21D22/22—Deep-drawing with devices for holding the edge of the blanks
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Engineering & Computer Science
(AREA)
Mechanical Engineering
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FR425875D1910-11-111911-01-25Appareil pour l'emboutissage et le découpage des boites en fer-blanc ou en une autre matière semblable
ExpiredFR425875A
(fr)