(19)

(11)

EP 2 553 333 A1

(12)

(43) Date of publication: 06.02.2013 Bulletin 2013/06 (21) Application number: 11762076.5 (22) Date of filing: 30.03.2011

(51) International Patent Classification (IPC):  F21V 29/00(2006.01) F21W 131/103(2006.01) F21Y 101/02(2006.01) (86) International application number: PCT/FI2011/050269 (87) International publication number: WO 2011/121183 (06.10.2011 Gazette 2011/40)

(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 (30) Priority: 30.03.2010 FI 20105326 (71) Applicant: Selmic OY 90550 Oulu (FI)	(72) Inventor: MÄÄTTÄ, Hannu FI-90100 Oulu (FI) (74) Representative: Määttä, Jukka Tapani  Berggren Oy Ab Kirkkokatu 9 90100 Oulu 90100 Oulu (FI)