Global Patent Index - EP 2655677 B1

EP 2655677 B1 20180606 - PROCESS AND PLANT FOR CONTINUOUSLY MANUFACTURING A STEEL WIRE

Title (en)

PROCESS AND PLANT FOR CONTINUOUSLY MANUFACTURING A STEEL WIRE

Title (de)

VERFAHREN UND ANLAGE ZUR KONTINUIERLICHEN HERSTELLUNG EINES STAHLDRAHTES

Title (fr)

PROCÉDÉ ET INSTALLATION DE FABRICATION EN CONTINU UN FIL D'ACIER

Publication

EP 2655677 B1 20180606 (EN)

Application

EP 11815567 A 20111221

Priority

  • IT MI20102385 A 20101223
  • US 201161441858 P 20110211
  • IB 2011003144 W 20111221

Abstract (en)

[origin: WO2012085651A1] The process for manufacturing a steel wire comprises: providing a steel wire; austenitizing said steel wire; patenting said steel wire; drawing said steel wire. The patenting of said steel wire comprises: slow cooling said steel wire to a first predetermined temperature; quick cooling the steel wire to a second predetermined temperature; keeping said steel wire at said second predetermined temperature. During the slow cooling, the steel wire substantially keeps its austenite structure unaltered; with the subsequent quick cooling, the steel wire is taken to the best conditions in order to start the phase change in which the austenite structure is transformed into a pearlite structure.

IPC 8 full level

C21D 9/52 (2006.01); B21C 37/04 (2006.01); C21D 9/573 (2006.01); C21D 9/64 (2006.01)

CPC (source: EP)

B21C 37/04 (2013.01); C21D 9/525 (2013.01); C21D 9/5732 (2013.01); C21D 9/64 (2013.01)

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)

WO 2012085651 A1 20120628; WO 2012085651 A8 20130718; BR 112013015116 A2 20161122; BR 112013015116 B1 20190319; CN 103314121 A 20130918; CN 103314121 B 20150408; EP 2655677 A1 20131030; EP 2655677 B1 20180606; RU 2013132962 A 20150127; RU 2604542 C2 20161210; TR 201810002 T4 20180827

DOCDB simple family (application)

IB 2011003144 W 20111221; BR 112013015116 A 20111221; CN 201180060015 A 20111221; EP 11815567 A 20111221; RU 2013132962 A 20111221; TR 201810002 T 20111221