Patents Assigned to IMI Refiners Ltd.
  • Casting apparatus
    Patent number: 4730659
    Abstract: Horizontal casting apparatus which includes a composite sleeve or ring at the entrance to the mould comprising a graphite inner portion and an insulating outer portion. The apparatus can optionally have an inert gas shield around the composite ring to protect the graphite component thereof against oxidation.
    Type: Grant
    Filed: January 30, 1987
    Date of Patent: March 15, 1988
    Assignee: IMI Refiners Ltd.
    Inventors: Peter J. Clark, Anthony W. Hudd, Stephen T. Bloor, Erling Roller
  • Casting apparatus
    Patent number: 4640335
    Abstract: Horizontal casting apparatus which includes a composite sleeve or ring at the entrance to the mould comprising a graphite inner portion and an insulating outer portion. The apparatus can optionally have an inert gas shield around the composite ring to protect the graphite component thereof against oxidation.
    Type: Grant
    Filed: January 18, 1985
    Date of Patent: February 3, 1987
    Assignee: IMI Refiners Ltd.
    Inventors: Peter J. Clark, Anthony W. Hudd, Stephen T. Bloor, Erling Roller