B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C33/00—Feeding extrusion presses with metal to be extruded ; Loading the dummy block
B21C33/02—Feeding extrusion presses with metal to be extruded ; Loading the dummy block the metal being in liquid form
Procede de fabrication de briquettes en poudre ceramique, par exemple en combustible pulverulent pour un reacteur nucleaire, et dispositif de compression, notamment pour la mise en oeuvre de ce procede