F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
F16F1/00—Springs
F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
F16F1/32—Belleville-type springs
F16F1/328—Belleville-type springs with undulations, e.g. wavy springs
Procédé de fabrication d'une pièce en tôle par emboutissage et pliage, dispositif de fabrication, pièce en tôle, berceau de véhicule, coquille de berceau et véhicule correspondants