(19)

(11)

EP 2 635 749 A1

(12)

(43) Date of publication: 11.09.2013 Bulletin 2013/37 (21) Application number: 11790894.7 (22) Date of filing: 02.11.2011

(51) International Patent Classification (IPC):  E03F 7/00(2006.01) G01F 23/24(2006.01) (86) International application number: PCT/EP2011/069225 (87) International publication number: WO 2012/059508 (10.05.2012 Gazette 2012/19)

(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 (30) Priority: 04.11.2010 NO 20101556 (71) Applicant: Xepto AS 1266 Oslo (NO)	(72) Inventor: HELLERUD, Wiggo, R. N-1405 Langhus (NO) (74) Representative: Onsagers AS  Munkedamsveien 35 P.O. Box 1813 Vika 0123 Oslo 0123 Oslo (NO)