(19)

(11)

EP 2 931 992 A1

(12)

(43) Date of publication: 21.10.2015 Bulletin 2015/43 (21) Application number: 13789472.1 (22) Date of filing: 24.10.2013

(51) International Patent Classification (IPC):  E04B 2/96(2006.01) (86) International application number: PCT/BE2013/000057 (87) International publication number: WO 2014/089643 (19.06.2014 Gazette 2014/25)

(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: 12.12.2012 BE 201200839 (71) Applicant: Reynaers Aluminium, naamloze vennootschap 2570 Duffel (BE)	(72) Inventor: VANDERVELDEN, Stefan B-2600 Berchem (BE) (74) Representative: Kamphuis, Albertus Johannes  Bureau MFJ Bockstael Arenbergstraat 13 2000 Antwerpen 2000 Antwerpen (BE)