(19)

(11)

EP 2 449 172 A1

(12)

(43) Date of publication: 09.05.2012 Bulletin 2012/19 (21) Application number: 10794435.7 (22) Date of filing: 29.06.2010

(51) International Patent Classification (IPC):  D21D 1/00(2006.01) D21D 1/30(2006.01) (86) International application number: PCT/SE2010/000174 (87) International publication number: WO 2011/002377 (06.01.2011 Gazette 2011/01)

(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 SE SI SK SM TR (30) Priority: 03.07.2009 SE 0900916 (71) Applicant: Karlström, Anders 412 73 Göteborg (SE)	(72) Inventor: Karlström, Anders 412 73 Göteborg (SE) (74) Representative: Löfgren, Håkan Bengt Alpo  Groth & Co KB Box 6107 102 32 Stockholm 102 32 Stockholm (SE)