(19)
(11) EP 2 011 591 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.02.2009 Bulletin 2009/07

(43) Date of publication A2:
07.01.2009 Bulletin 2009/02

(21) Application number: 08159059.8

(22) Date of filing: 26.06.2008
(51) International Patent Classification (IPC): 
B22D 41/22(2006.01)
B22D 41/30(2006.01)
 B22D 41/24(2006.01)
B22D 41/40(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 06.07.2007 FI 20070533

(71) Applicant: Indref Oy
10440 Bollsta (FI)

(72) Inventor:
  • Helanto, Erkki
    02400 Kirkkonummi (FI)

(74) Representative: Laako, Tero Jussi 
Berggren Oy Ab P.O. Box 16
00101 Helsinki
00101 Helsinki (FI)

   


(54) Apparatus for dispensing molten metal and method of manufacturing such an apparatus


(57) The invention relates to a closing mechanism (1) for dispensing molten metal from a hole-bottomed ladle, said closing mechanism containing three at least partially superimposed ceramic plates (2, 3, 4), each of said plates (2, 3, 4) being provided with a hole (5), said three ceramic plates (2, 3, 4) being cast in a ceramic mass (7), said mass (7) being present on at least two sides of the ceramic plates (2, 3, 4), and the ceramic plates (2, 3, 4), the ceramic mass (7), and a metal shell (10), used as a casting mold, establishing together an integrated unit.







Search report