(19)

(11)

EP 2 951 358 A1

(12)

(43) Date of publication: 09.12.2015 Bulletin 2015/50 (21) Application number: 14745988.7 (22) Date of filing: 22.01.2014

(51) International Patent Classification (IPC):  E02F 3/40(2006.01) B06B 1/16(2006.01) B07B 1/28(2006.01) (86) International application number: PCT/FI2014/050048 (87) International publication number: WO 2014/118429 (07.08.2014 Gazette 2014/32)

(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: 01.02.2013 FI 20135100 (71) Applicant: Pohmako Ky 60640 Isokoski (FI)	(72) Inventor: PASKI, Eero FI-60640 Isokoski (FI) (74) Representative: Kolster Oy Ab  Iso Roobertinkatu 23 PO Box 148 00121 Helsinki 00121 Helsinki (FI)