PROCESS FOR THE CASTING OF METAL UNDER REDUCED PRESSURE IN A LOW-TEMPERATURE BONDED SAND GRAIN MOLD AND MOLD FOR CARRYING OUT THIS PROCESS

摘要

P DEVICE FOR CASTING METAL INTO A LOW TEMPERATURE BONDED SAND GRAIN MOLD. /P P IT INCLUDES MOLD 30 WITH A FOOTPRINT PROVIDED WITH A CAST ATTACK ENDING IN THE BOTTOM SURFACE OF THE MOLD , A CONTAINER 22 CONTAINING MOLTEN METAL, A CHAMBER 20 SUPPORTING THE MOLD 30, A CONTROL MECHANISM 14, 16, 18, 19 CONTAINING THE CHAMBER AND VACUUM EQUIPMENT 24. /P P APPLICATION TO CASTING OF FERROUS METALS. /P