Global Patent Index - EP 3556488 A1

EP 3556488 A1 20191023 - CASTING ROLL AND METHOD FOR CASTING METAL STRIP WITH CROWN CONTROL

Title (en)

CASTING ROLL AND METHOD FOR CASTING METAL STRIP WITH CROWN CONTROL

Title (de)

GIESSWALZE UND VERFAHREN ZUM GIESSEN VON BLEICHSTREIFEN MIT BALLIGKEITSSTEUERUNG

Title (fr)

ROULEAU DE COULÉE ET PROCÉDÉ DE COULÉE DE BANDE DE MÉTAL AVEC COMMANDE DE COURONNE

Publication

EP 3556488 A1 20191023 (EN)

Application

EP 18168110 A 20180419

Priority

EP 18168110 A 20180419

Abstract (en)

The invention relates to a casting roll (12), for the casting of metal strip (21) by continuous casting in a twin roll caster,- having a casting surface (12A) formed by a substantially cylindrical tube (120),- having at least one substantially axially symmetric expansion element, e.g. an expansion ring (101-103), arranged within the cylindrical tube (120), and the expansion element adapted to increase in radial dimension causing the cylindrical tube to expand changing roll crown of the casting surfaces (12A) of the casting rolls and thickness profile of the cast strip during casting,whereas at least one expansion element is movable in axial direction of the casting roll (12). The method of continuously casting thin strip by controlling roll crown is characterized in that at least one expansion element is moved in axial direction of the casting roll (12) to an axial position where the strip thickness of the cast metal strip (21) shall be reduced.

IPC 8 full level

B22D 11/06 (2006.01); B22D 11/16 (2006.01)

CPC (source: EP)

B22D 11/0622 (2013.01); B22D 11/0651 (2013.01); B22D 11/16 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

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 RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3556488 A1 20191023; WO 2019201924 A1 20191024

DOCDB simple family (application)

EP 18168110 A 20180419; EP 2019059811 W 20190416