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Priority claimed from GB14938/57Aexternal-prioritypatent/GB843126A/en
Application filedfiledCritical
Publication of BE558444ApublicationCriticalpatent/BE558444A/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
B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
B21D43/02—Advancing work in relation to the stroke of the die or tool
B21D43/028—Tools travelling with material, e.g. flying punching machines
Hacheuse de recolte ou analogue, en particulier hacheuse mobile, comportant un dispositif coupeur et, monte en amont de celui-ci, un dispositif presseur
Procédé et appareil pour fabriquer des objects creux de différentes dimensions par enroulement d'un ruban de matière en feuille sur un mandrin rotatif.