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Publication of FR517409ApublicationCriticalpatent/FR517409A/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
B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
B21D11/14—Twisting
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR517409A1919-07-111920-06-18Procédé et dispositif pour tordre les barres métalliques
ExpiredFR517409A
(fr)