(19)

(11)

EP 2 852 523 A1

(12)

(43) Date of publication: 01.04.2015 Bulletin 2015/14 (21) Application number: 13793358.6 (22) Date of filing: 13.05.2013

(51) International Patent Classification (IPC):  B63B 21/04(2006.01) B63B 21/10(2006.01) (86) International application number: PCT/FI2013/050516 (87) International publication number: WO 2013/175060 (28.11.2013 Gazette 2013/48)

(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: 23.05.2012 FI 20125546 (71) Applicant: Wello Oy 02380 Espoo (FI)	(72) Inventor: PAAKKINEN, Heikki FI-02380 Espoo (FI) (74) Representative: LEITZINGER OY  Tammasaarenkatu 1 00180 Helsinki 00180 Helsinki (FI)