(19)

(11)

EP 2 414 605 A1

(12)

(43) Date of publication: 08.02.2012 Bulletin 2012/06 (21) Application number: 10759086.1 (22) Date of filing: 31.03.2010

(51) International Patent Classification (IPC):  E04H 15/32(2006.01) E04B 1/343(2006.01) E04H 15/64(2006.01) (86) International application number: PCT/NO2010/000123 (87) International publication number: WO 2010/114388 (07.10.2010 Gazette 2010/40)

(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 Designated Extension States: AL BA ME RS (30) Priority: 01.04.2009 NO 20091329 (71) Applicant: Delta Systems AS 5300 Kleppestø (NO)	(72) Inventor: STRAND, Gunnar N-5097 Bergen (NO) (74) Representative: Olsen, Svein Arne  Bryn Aarflot AS P.O. Box 449 Sentrum 0104 Oslo 0104 Oslo (NO)