Patents Assigned to Mario Di Maio S.p.A.
  • Apparatus for vacuum melting and casting
    Patent number: 4784207
    Abstract: An apparatus for lost-wax castings wherein metal is melted in a vacuum vessel, and wherein there are provided vacuum pumps for producing a higher degree of vacuum around the mold during the casting of the molten metal.
    Type: Grant
    Filed: October 16, 1987
    Date of Patent: November 15, 1988
    Assignee: Mario Di Maio S.p.A.
    Inventor: Eliseo Di Maio