(19)

(11)

EP 2 836 452 A1

(12)

(43) Date of publication: 18.02.2015 Bulletin 2015/08 (21) Application number: 12874268.1 (22) Date of filing: 13.04.2012

(51) International Patent Classification (IPC):  B65H 75/22(2006.01) B65H 54/56(2006.01) B65H 49/30(2006.01) B65H 75/14(2006.01) (86) International application number: PCT/SE2012/050405 (87) International publication number: WO 2013/154481 (17.10.2013 Gazette 2013/42)

(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 Designated Extension States: BA ME (71) Applicant: Telefonaktiebolaget LM Ericsson (Publ) 164 83 Stockholm (SE)	(72) Inventor: LARSSON, Mikael S-820 65 Forsa (SE) (74) Representative: Zacco Sweden AB  P.O. Box 5581 114 85 Stockholm 114 85 Stockholm (SE)