B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
Dispositif pour le dressage de pieces a symetrie de revolution deformables a froid, en particulier des axes, des arbres, des boulons et des pieces analogues