Patents Assigned to Triplex Llyod Limited
  • Method of making fine grained castings
    Patent number: 5983983
    Abstract: A mould is provided having a surface which defines a mould cavity, and the mould surface includes on at a least part thereof a compound comprising a nucleation agent. The mould is heated. A metal heated to a temperature 0-15.degree. C. above the liquidus temperature is poured into the heated mould cavity and the molten metal is solidified in the mould cavity.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: November 16, 1999
    Assignee: Triplex Llyod Limited
    Inventor: Philip Neil Whateley