(19)
(11) EP 1 951 458 A2

(12)

(88) Date of publication A3:
30.08.2007

(43) Date of publication:
06.08.2008 Bulletin 2008/32

(21) Application number: 06839536.7

(22) Date of filing: 25.10.2006
(51) International Patent Classification (IPC): 
B22D 11/06(2006.01)
(86) International application number:
PCT/US2006/060215
(87) International publication number:
WO 2007/053808 (10.05.2007 Gazette 2007/19)
(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 LV MC NL PL PT RO SE SI SK TR

(30) Priority: 01.11.2005 US 264212

(71) Applicant: Alcoa Inc.
Pittsburgh, PA 15212-5858 (US)

(72) Inventors:
  • TOMES, JR., David A.
    Sparks, Nevada 89436 (US)
  • UNAL, Ali
    Export, Pennsylvania 15632 (US)
  • WYATT-MAIR, Gavin F.
    Lafayette, California 94549 (US)
  • TIMMONS, David W.
    Reno, Nevada 89523 (US)

(74) Representative: Day, Caroline Margaret et al
Olswang 90 High Holborn
London WC1V 6XX
London WC1V 6XX (GB)

   


(54) METHOD AND APPARATUS FOR ELECTROMAGNETIC CONFINEMENT OF MOLTEN METAL IN HORIZONTAL CASTING SYSTEMS