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
B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others
(AREA)
Procede de laminage oblique d'ebauche de tube acier ou analogues a parois d'epaisseur moyenne ou mince, et cage de laminoir pour sa mise en oeuvre