(19)

(11)

EP 2 844 800 A1

(12)

(43) Date of publication: 11.03.2015 Bulletin 2015/11 (21) Application number: 13784370.2 (22) Date of filing: 02.05.2013

(51) International Patent Classification (IPC):  E01F 15/08(2006.01) (86) International application number: PCT/NO2013/000020 (87) International publication number: WO 2013/165254 (07.11.2013 Gazette 2013/45)

(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: 04.05.2012 NO 20120513 (71) Applicant: Øpd Group AS 3960 Stathelle (NO)	(72) Inventor: TUFTE, Nils-Johan NO-3960 Stathelle (NO) (74) Representative: Haffner, Andreas et al Tandbergs Patentkontor AS P.O. Box 1570 Vika 0118 Oslo 0118 Oslo (NO)