B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
B22D19/00—Casting in, on, or around objects which form part of the product
B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
Procede pour l'obtention de coquilles de coulee continue, tubulaires, droites ou courbes, avec des contours interieurs paralleles ou coniques, en alliage de cuivre apte au recuit