(19)

(11)

EP 2 367 982 A1

(12)

(43) Date of publication: 28.09.2011 Bulletin 2011/39 (21) Application number: 09832170.6 (22) Date of filing: 10.12.2009

(51) International Patent Classification (IPC):  E01F 9/015(2006.01) G09F 13/16(2006.01) G08B 5/00(2006.01) (86) International application number: PCT/NO2009/000426 (87) International publication number: WO 2010/068114 (17.06.2010 Gazette 2010/24)

(84) Designated Contracting States: 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 SE SI SK SM TR (30) Priority: 10.12.2008 NO 20085151 (71) Applicant: Storvola AS 7014 Trondheim (NO)	(72) Inventor: JOHANSEN, Ståle, Emil N-7224 Melhus (NO) (74) Representative: Mindrebøe, Krister  Protector IP Consultants AS Oscarsgate 20 0352 Oslo 0352 Oslo (NO)