(19)

(11)

EP 2 558 648 A2

(12)

(88) Date of publication A3: 18.10.2012 (43) Date of publication: 20.02.2013 Bulletin 2013/08 (21) Application number: 10779288.9 (22) Date of filing: 05.11.2010

(51) International Patent Classification (IPC):  E02B 17/02(2006.01) E02D 27/52(2006.01) E02D 27/42(2006.01) E02D 7/20(2006.01) (86) International application number: PCT/EP2010/066900 (87) International publication number: WO 2011/147481 (01.12.2011 Gazette 2011/48)

(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: 28.05.2010 EP 10164280 (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventor: STIESDAL, Henrik DK-5000 Odense C (DK)