(19)

(11)

EP 2 247 762 A1

(12)

(43) Date of publication: 10.11.2010 Bulletin 2010/45 (21) Application number: 09706761.5 (22) Date of filing: 02.02.2009

(51) International Patent Classification (IPC):  C21D 1/667(2006.01) A23L 3/375(2006.01) B21B 45/02(2006.01) F25D 3/11(2006.01) (86) International application number: PCT/IB2009/050406 (87) International publication number: WO 2009/095896 (06.08.2009 Gazette 2009/32)

(84) Designated Contracting States: 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 SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 02.02.2008 EP 08001981 (71) Applicant: Novaltec Sàrl 1963 Vetroz (CH)	(72) Inventor: PLATA, Miroslaw CH-1963 Vetroz (CH) (74) Representative: reuteler & cie SA  Chemin de la Vuarpillière 29 1260 Nyon 1260 Nyon (CH)