Global Patent Index - EP 3743223 B1

EP 3743223 B1 20220302 - ROLLING MILL WITH COOLING OR LUBRICATING DEVICE

Title (en)

ROLLING MILL WITH COOLING OR LUBRICATING DEVICE

Title (de)

WALZWERK MIT KÜHL- ODER SCHMIERVORRICHTUNG

Title (fr)

LAMINOIR AVEC DISPOSITIF DE REFROIDISSEMENT OU LUBRIFICATION

Publication

EP 3743223 B1 20220302 (FR)

Application

EP 19710005 A 20190123

Priority

  • FR 1850594 A 20180125
  • FR 2019050148 W 20190123

Abstract (en)

[origin: WO2019145639A1] Rolling mill (1) comprising: – a stand, – two working rolls (2), two press rolls (4) and two intermediate rolls (3), – lateral support rolls (5) able to support the working rolls(2) laterally, each lateral support roll being borne by a support arm (6), mounted with the ability to pivot, – load spreading beams (8) and means (9) for applying a preload to each support arm (6), comprising at least one preload actuating cylinder (11), – one or more spray nozzles for a lubricating/cooling fluid, and in which at least one of the nozzles (12) is carried on one of the support arms (6) and in which the fluid supply circuit for the said at least one nozzle (12) comprises a device (13) for connection/disconnection with the support arm (6) with actuator (17). According to the invention, the said actuator (17) is an actuator distinct from the actuating cylinder (11) of the said means (9) of applying a preload.

IPC 8 full level

B21B 13/14 (2006.01); B21B 27/10 (2006.01)

CPC (source: EP US)

B21B 13/02 (2013.01 - US); B21B 13/145 (2013.01 - EP); B21B 13/147 (2013.01 - EP); B21B 27/10 (2013.01 - EP); B21B 45/0233 (2013.01 - US); B21B 45/0251 (2013.01 - US)

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 3077015 A1 20190726; FR 3077015 B1 20200124; CN 111727088 A 20200929; CN 111727088 B 20220726; EP 3743223 A1 20201202; EP 3743223 B1 20220302; ES 2920450 T3 20220804; US 11420244 B2 20220823; US 2021060631 A1 20210304; WO 2019145639 A1 20190801

DOCDB simple family (application)

FR 1850594 A 20180125; CN 201980013941 A 20190123; EP 19710005 A 20190123; ES 19710005 T 20190123; FR 2019050148 W 20190123; US 201916964859 A 20190123