(19)

(11)

EP 2 611 965 A1

(12)

(43) Date of publication: 10.07.2013 Bulletin 2013/28 (21) Application number: 11822179.5 (22) Date of filing: 30.08.2011

(51) International Patent Classification (IPC):  E01H 5/02(2006.01) E04D 13/10(2006.01) (86) International application number: PCT/NO2011/000236 (87) International publication number: WO 2012/030227 (08.03.2012 Gazette 2012/10)

(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: 01.09.2010 NO 20101212 (71) Applicant: Bjørthun, Jan-Scott 1404 Siggerud (NO)	(72) Inventor: Bjørthun, Jan-Scott 1404 Siggerud (NO) (74) Representative: Bergheim, Olav et al Zacco Norway AS Haakon VII's gt. 2 P.O. Box 2003 Vika 0125 Oslo 0125 Oslo (NO)