Method of forming wrought aluminous metal

Claim 1

METHOD FOR THE CONVERSION OF MOLTEN ALUMINOUS METAL TO A FULLY DENSIFIED ROLLED PRODUCT OF ALUMINOUS METAL, COMPRISING THE STEPS OF: CENTRIFUGALLY CASTING MOLTEN ALUMINOUS METAL TO PRODUCE ACICULAR PARTICLES OF SAID METAL, SAID PARTICLES BEING INDIVIDUALLY COVERED WITH A SURFACE LAYER OF OXIDE AND BEING SUBSTANTIALLY ALL RETAINABLE ON A 200 MESH SIEVE, HEATING THE CAST PARTICLES; FEEDING THE PARTICLES AT A TEMPERATURE BETWEEN ABOUT 450* F. AND THE INCIPIENT MELTING TEMPERATURE OF THE ALUMINOUS METAL AND IN FREE-FLOWING CONDITION TO THE NIP OF A PAIR OF WORK ROLLS; MAINTAINING THE APPROACHING ROLL SURFACE ADJACENT THE ROLL NIP AT A TEMPERATURE BELOW THE TEMPERATURE OF THE PARTICLES ENTERING THE ROLLS; AND ROLLING SAID PARTICLES IN A SINGLE PASS BETWEEN SAID ROLLS TO FORM A FULLY DENSIFIED AND SELF-SUPPORTING ALUMINOUS METAL PRODUCT AT THE RATE OF AT LEAST 50 FEET PER MINUTE.