(19)
(11) EP 1 838 477 A1

(12)

(43) Date of publication:
03.10.2007 Bulletin 2007/40

(21) Application number: 05821838.9

(22) Date of filing: 26.12.2005
(51) International Patent Classification (IPC): 
B22D 11/16(2006.01)
(86) International application number:
PCT/KR2005/004551
(87) International publication number:
WO 2006/071039 (06.07.2006 Gazette 2006/27)
(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: 28.12.2004 KR 20040113652

(71) Applicant: Posco Co., Ltd.
Kyungsangbook-do 790-300 (KR)

(72) Inventors:
  • LEE, Dae-sung c/o Posco Co., Ltd.,
    Pohang-si, Kyungsangbuk-do 790-300 (KR)
  • MOON, Hee-kyung c/o Posco Co., Ltd.,
    Pohang-si, Kyungsangbuk-do 790-300 (KR)
  • KIM, Yoon-ha c/o Posco Co., Ltd.,
    Pohang-si, Kyungsangbuk-do 790-300 (KR)

(74) Representative: Pautex Schneider, Nicole VĂ©ronique et al
Novagraaf International SA 25, Avenue du Pailly
1220 Les Avanchets - Geneva
1220 Les Avanchets - Geneva (CH)

   


(54) ROBUST CONTROL METHOD OF MELT LEVEL IN THE TWIN ROLL STRIP CASTER