(19)

(11)

EP 2 839 081 A1

(12)

(43) Date of publication: 25.02.2015 Bulletin 2015/09 (21) Application number: 13726294.5 (22) Date of filing: 17.04.2013

(51) International Patent Classification (IPC):  E02B 9/08(2006.01) E02B 3/06(2006.01) (86) International application number: PCT/IB2013/053049 (87) International publication number: WO 2013/156948 (24.10.2013 Gazette 2013/43)

(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: 18.04.2012 NO 20120454 (71) Applicant: Tidetec AS 1167 Oslo (NO)	(72) Inventor: KOLLANDSRUD, Per N-1167 Oslo (NO) (74) Representative: Onsagers AS  P.O. Box 1813 Vika 0123 Oslo 0123 Oslo (NO)