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Norris-Thermador Corp
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Norris-Thermador Corp
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Application filed by Norris-Thermador CorpfiledCriticalNorris-Thermador Corp
Application grantedgrantedCritical
Publication of FR1135894ApublicationCriticalpatent/FR1135894A/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
B21D22/201—Work-pieces; preparation of the work-pieces, e.g. lubricating, coating
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR1135894D1954-08-231955-08-22Perfectionnements apportés aux procédés et dispositifs pour fabriquer des ébauches pour des cylindres étirés
ExpiredFR1135894A
(fr)