Patents Assigned to Calider
  • Patent number: 4161830
    Abstract: A device for use in identifying ingots or castings comprises a thin planar body of a refractory material which has a characteristic shape and a dovetail cross-section so that the body has one face with a smaller surface area than the opposite face, and a magnet incorporated in said body in said one face having a smaller surface area. The device is placed in the mould for the ingot or casting and is held to a wall thereof by magnetic attraction.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: July 24, 1979
    Assignee: Calider
    Inventor: Patrick R. Gentil