Global Patent Index - EP 4117835 B1

EP 4117835 B1 20240124 - TOOL AND METHOD FOR CHANGING THE WORKING ROLL IN A ROLLING MILL

Title (en)

TOOL AND METHOD FOR CHANGING THE WORKING ROLL IN A ROLLING MILL

Title (de)

WERKZEUG UND VERFAHREN ZUM WECHSELN DER ARBEITSWALZE IN EINEM WALZWERK

Title (fr)

OUTIL ET PROCÉDÉ DE CHANGEMENT DE CYLINDRE DE TRAVAIL DANS LAMINOIR

Publication

EP 4117835 B1 20240124 (FR)

Application

EP 21717140 A 20210309

Priority

  • FR 2002381 A 20200310
  • FR 2021050394 W 20210309

Abstract (en)

[origin: WO2021181039A1] The invention relates to a method for changing the working roll (12) in a rolling mill, which limits the risk of scratching the working roll (12), or even the risk of scratching the metal strip, during the removal or insertion of the working roll (12), by means of mechanical separating means, in particular arms (20, 21) of a fork system, inserted by robotic means.

IPC 8 full level

B21B 31/10 (2006.01); B21B 13/14 (2006.01)

CPC (source: EP US)

B21B 13/147 (2013.01 - US); B21B 31/103 (2013.01 - EP US); B21B 13/147 (2013.01 - EP); B21B 31/10 (2013.01 - EP); B21B 31/106 (2013.01 - EP)

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

DOCDB simple family (publication)

FR 3108047 A1 20210917; FR 3108047 B1 20220401; CN 115243807 A 20221025; EP 4117835 A1 20230118; EP 4117835 B1 20240124; EP 4117835 C0 20240124; ES 2973090 T3 20240618; US 2023119712 A1 20230420; WO 2021181039 A1 20210916

DOCDB simple family (application)

FR 2002381 A 20200310; CN 202180019954 A 20210309; EP 21717140 A 20210309; ES 21717140 T 20210309; FR 2021050394 W 20210309; US 202117908627 A 20210309