Patents Assigned to Specialty Metallurgical Products
  • Method of adding alloying materials and metallurgical additives to ingots and composite ingot
    Patent number: 5259442
    Abstract: Metal ingots are mold cast at a smelter with a solid, unmelted alloy or metallurgical additive body placed in the mold so that the molten metal in the ingot solidifies around the body. The metal and body in the ingot are melted at a foundry to freshly distribute the melted alloy or metallurgical additive material in the body throughout the remelted ingot metal immediately before casting useful articles from the melted ingot.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: November 9, 1993
    Assignee: Specialty Metallurgical Products
    Inventor: James H. Clark