(19)
(11) EP 1 771 266 A1

(12)

(43) Date of publication:
11.04.2007 Bulletin 2007/15

(21) Application number: 05749395.9

(22) Date of filing: 16.06.2005
(51) International Patent Classification (IPC): 
B22D 11/06(2006.01)
B22D 41/02(2006.01)
B22D 11/10(2006.01)
C04B 35/48(2006.01)
(86) International application number:
PCT/AU2005/000870
(87) International publication number:
WO 2005/123301 (29.12.2005 Gazette 2005/52)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR LV MK YU

(30) Priority: 16.06.2004 US 869362

(71) Applicant: NUCOR CORPORATION
Charlotte, NC 28211 (US)

(72) Inventors:
  • CARSON, Graham
    Sewickley, Pennsylvania 15143 (US)
  • NOONING, Robert
    Crawfordsville, Indiana 4793 (US)
  • SOSINSKY, David
    Whitestown, Indiana 46075 (US)

(74) Representative: Lerwill, John et al
A.A. Thornton & Co. 235 High Holborn
London, WC1V 7LE
London, WC1V 7LE (GB)

   


(54) ZIRCONIA REFRACTORIES FOR MAKING STEEL