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Mannesmann Meer AG
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Mannesmann Meer AG
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Priority claimed from DEM51168Aexternal-prioritypatent/DE1205797B/en
Priority claimed from DEM55489Aexternal-prioritypatent/DE1222357B/en
Application filed by Mannesmann Meer AGfiledCriticalMannesmann Meer AG
Application grantedgrantedCritical
Publication of FR92834EpublicationCriticalpatent/FR92834E/en
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
B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
B21D3/05—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work
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FR105560A1961-12-121967-05-08
Method and device for cold straightening of hollow and massive bodies in the form of bars and having any profile.
ExpiredFR92834E
(en)
Method for producing very strong metal plate profiles with low extensibility and with e.g. U-, angular, gutter, pipe or similar shape and device for carrying out the process.