Global Patent Index - EP 2888385 B1

EP 2888385 B1 20180411 - COATED STEEL STRIP OR SHEET HAVING ADVANTAGEOUS PROPERTIES

Title (en)

COATED STEEL STRIP OR SHEET HAVING ADVANTAGEOUS PROPERTIES

Title (de)

VORBESCHICHTETER STAHLSTREIFEN ODER -BLECH MIT VORTEILHAFTEN EIGENSCHAFTEN

Title (fr)

FEUILLE OU BANDE D'ACIER REVÊTUE PRÉSENTANT DES PROPRIÉTÉS AVANTAGEUSES

Publication

EP 2888385 B1 20180411 (EN)

Application

EP 13755956 A 20130819

Priority

  • EP 12006076 A 20120827
  • EP 12006485 A 20120914
  • EP 2013002498 W 20130819
  • EP 13755956 A 20130819

Abstract (en)

[origin: WO2014032779A1] The invention relates to a strip or sheet of cold formable cold rolled steel coated with a zinc alloy layer, wherein the zinc alloy layer contains 0.3 - 5 weight% Al and 0.3 - 5 weight% Mg, the remainder being zinc and unavoidable impurities and optionally at most 0.2 weight% in total of one or more additional elements selected from the group consisting of Pb, Sb, Ti, Ca, Mns Sn, La, Ce, Cr, Ni, Zr, Bi, Si and Fe, wherein the zinc alloy layer is coated with a siloxane or polysiloxane layer, the siloxane or polysiloxane layer having a layer thickness corresponding with 1 - 10 mg/m2 Si. The invention also relates to a method for producing such a strip or sheet, a method for producing a part from such a strip or sheet, and a product produced from such a part.

IPC 8 full level

C23C 2/02 (2006.01); B05B 7/14 (2006.01); B05D 7/14 (2006.01); B23B 7/00 (2006.01); B32B 7/00 (2006.01); C23C 2/06 (2006.01); C23C 2/26 (2006.01); C23C 28/00 (2006.01)

CPC (source: EP US)

C23C 2/02 (2013.01 - EP US); C23C 2/06 (2013.01 - EP); C23C 2/26 (2013.01 - EP US); C23C 2/261 (2022.08 - EP US); C23C 28/00 (2013.01 - EP)

Citation (opposition)

Opponent : ArcelorMittal France/Plais

  • WO 2012167930 A1 20121213 - TATA STEEL IJMUIDEN BV [NL], et al
  • US 2006099332 A1 20060511 - ERIKSSON MATS [SE], et al
  • WO 2006002843 A1 20060112 - CORUS STAAL BV [NL], et al
  • "products and services", SOLLAC, 1996, pages 1 - 5, XP055525268
  • DAIMLER CHRYSLER: "Great Designs in Steel ( Advanced High-Strength Steels in Mercedes-Benz Passenger", 19 February 2003 (2003-02-19), pages 1 - 19, XP055525278, Retrieved from the Internet <URL:https:llwww.autosteel.org/-/media/files/autosteel/qreat-desiqns-in-steel/qdis-2003/10-- -ahss-in-mercedes-benz-passenqer-cars .ashx>
  • "Ferritic rolling ULC IF steels for continuous annealing - Product ID : 7210KC/212", EUROPEAN COMMISSION, 2002, pages 1 - 2, XP055525293, Retrieved from the Internet <URL:https://cordis.europa.eu/projecct/rcn/6898_en.html>
  • "Mechanisms and Modeling of Bake-Hardening steels : part I. Uniaxial Tension", METALLURGICAL AND MATERIALS TRANSACTIONS, 15 April 2009 (2009-04-15), XP019696583
  • "Galvanisation et aluminiage en continu", TECHNIQUES DE L'INGÉNIEUR, 10 April 1996 (1996-04-10), XP055525302

Opponent : Chemetall GmbH

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 2014032779 A1 20140306; WO 2014032779 A8 20150521; EP 2888385 A1 20150701; EP 2888385 B1 20180411; EP 2888385 B2 20241113; ES 2672698 T3 20180615; TR 201807970 T4 20180621

DOCDB simple family (application)

EP 2013002498 W 20130819; EP 13755956 A 20130819; ES 13755956 T 20130819; TR 201807970 T 20130819