(19)

(11)

EP 2 841 669 A1

(12)

(43) Date of publication: 04.03.2015 Bulletin 2015/10 (21) Application number: 13780780.6 (22) Date of filing: 23.04.2013

(51) International Patent Classification (IPC):  E06B 3/42(2006.01) E04B 1/00(2006.01) (86) International application number: PCT/SE2013/050437 (87) International publication number: WO 2013/162452 (31.10.2013 Gazette 2013/44)

(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 (30) Priority: 23.04.2012 SE 1250398 (71) Applicant: Nordiska Balco AB 352 45 Växjö (SE)	(72) Inventor: BJÖRKMAN, Lars S-Kalmar 394 77 (SE) (74) Representative: Ungsten, Magnus Torbjörn  Awapatent AB Västra Esplanaden 9 A Box 99 351 04 Växjö 351 04 Växjö (SE)