(19)

(11)

EP 2 401 454 A1

(12)

(43) Date of publication: 04.01.2012 Bulletin 2012/01 (21) Application number: 10746514.8 (22) Date of filing: 24.02.2010

(51) International Patent Classification (IPC):  E04H 12/12(2006.01) (86) International application number: PCT/SE2010/050213 (87) International publication number: WO 2010/098716 (02.09.2010 Gazette 2010/35)

(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: 27.02.2009 SE 0950105 (71) Applicant: Ericsson, Roger 172 62 Sundbyberg (SE)	(72) Inventor: Ericsson, Roger 172 62 Sundbyberg (SE) (74) Representative: Hervius Löthman, Johan  Albihns Zacco AB Valhallavägen 117 N P.O. Box 5581 SE-114 85 Stockholm SE-114 85 Stockholm (SE)