(19)
(11) EP 2 292 341 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
02.05.2012 Bulletin 2012/18

(43) Date of publication A2:
09.03.2011 Bulletin 2011/10

(21) Application number: 10006802.2

(22) Date of filing: 01.07.2010
(51) International Patent Classification (IPC): 
B21B 13/14(2006.01)
B21B 27/03(2006.01)
 B21B 27/02(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
Designated Extension States:
BA ME RS

(30) Priority: 29.07.2009 JP 2009176038

(71) Applicant: Mitsubishi-Hitachi Metals Machinery, Inc.
Tokyo 108-0014 (JP)

(72) Inventor:
  • Norikura, Takashi
    Tokyo (JP)

(74) Representative: Strehl Schübel-Hopf & Partner 
Maximilianstrasse 54
80538 München
80538 München (DE)

   


(54) Rolling mill having work roll shifting function


(57) A reversing rolling mill (11) includes a pair of upper and lower work rolls (22a, 22b) clamping a strip (1) and roll shifting devices (40, 50) for respectively shifting the work rolls (22a, 22b) in the axial direction thereof. The pair of upper and lower work rolls (22a, 22b) respectively have, at one ends of roll body portions (31a, 32a), tapering portions (31b, 32b) having roll diameters gradually decreasing toward roll tips, and disposed such that the tapering portions (31b, 32b) are located on opposite sides from each other in the axial direction thereof. The surfaces of the roll body portions (31a, 32a) of the work rolls (22a, 22b) are formed of a ceramic material or a cemented carbide.







Search report