(19)

(11)

EP 2 576 938 A1

(12)

(43) Date of publication: 10.04.2013 Bulletin 2013/15 (21) Application number: 11790084.5 (22) Date of filing: 27.05.2011

(51) International Patent Classification (IPC):  E04D 13/158(2006.01) E04D 3/40(2006.01) E04D 1/36(2006.01) E04D 13/14(2006.01) (86) International application number: PCT/SE2011/050667 (87) International publication number: WO 2011/152780 (08.12.2011 Gazette 2011/49)

(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: 03.06.2010 SE 1050569 (71) Applicant: Larsson, Johan 519 91 Istorp (SE)	(72) Inventor: Larsson, Johan 519 91 Istorp (SE) (74) Representative: Norberg, Charlotte  Zacco Sweden AB P.O. Box 5581 114 85 Stockholm 114 85 Stockholm (SE)