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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
B21D22/26—Deep-drawing for making peculiarly, e.g. irregularly, shaped articles
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FR732512D1932-03-011932-03-01Perfectionnements apportés aux presses à fabriquer des articles en forme de godet ou autre forme semblable
ExpiredFR732512A
(fr)