(19)

(11)

EP 2 965 038 A1

(12)

(43) Date of publication: 13.01.2016 Bulletin 2016/02 (21) Application number: 14759990.6 (22) Date of filing: 06.03.2014

(51) International Patent Classification (IPC):  F42B 12/34(2006.01) (86) International application number: PCT/FI2014/050165 (87) International publication number: WO 2014/135752 (12.09.2014 Gazette 2014/37)

(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 (30) Priority: 08.03.2013 FI 20135220 (71) Applicant: Nurminen, Vesa 66400 Laihia (FI)	(72) Inventor: Nurminen, Vesa 66400 Laihia (FI) (74) Representative: Kolster Oy Ab  Iso Roobertinkatu 23 PO Box 148 00121 Helsinki 00121 Helsinki (FI)