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EP 2 812 455 A1

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(43) Date of publication: 17.12.2014 Bulletin 2014/51 (21) Application number: 12719049.4 (22) Date of filing: 10.02.2012

(51) International Patent Classification (IPC):  C21D 1/18(2006.01) C21D 6/00(2006.01) C21D 9/00(2006.01) C22C 38/04(2006.01) C22C 38/44(2006.01) C22C 38/58(2006.01) C21D 1/19(2006.01) C21D 8/00(2006.01) C22C 38/02(2006.01) C22C 38/18(2006.01) C22C 38/46(2006.01) (86) International application number: PCT/IB2012/000618 (87) International publication number: WO 2013/117953 (15.08.2013 Gazette 2013/33)

(84) Designated Contracting States: 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 States: BA ME (71) Applicants: Ascometal 92250 La Garenne-Colombes (FR) Weweler B.V. 7332 AP Apeldoorn (NL)	(72) Inventors: PERRARD, Fabien F-13800 Istres (FR) VERHOOFSTAD, Martin, J. M. NL-7322 ES Apeldoorn (NL) (74) Representative: Blot, Philippe Robert Emile  Cabinet Lavoix 2, place d'Estienne d'Orves 75441 Paris Cedex 09 75441 Paris Cedex 09 (FR)