(19)

(11)

EP 2 994 253 A1

(12)

(43) Date of publication: 16.03.2016 Bulletin 2016/11 (21) Application number: 14727417.9 (22) Date of filing: 08.05.2014

(51) International Patent Classification (IPC):  B21F 27/20(2006.01) E04C 5/20(2006.01) B21F 27/12(2006.01) E04C 5/18(2006.01) (86) International application number: PCT/EP2014/059436 (87) International publication number: WO 2014/180950 (13.11.2014 Gazette 2014/46)

(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: 08.05.2013 BE 201300319 (71) Applicant: Intersig NV 9200 Dendermonde (BE)	(72) Inventors: VAN DEN BROECKE, Hugo B-9200 Dendermonde (BE) OCKET, Piet B-9200 Dendermonde (BE) PENSAERT, Christof 9820 Merelbeke (BE) (74) Representative: Pappaert, Kris et al De Clercq & Partners Edgard Gevaertdreef 10 a 9830 Sint-Martens-Latem 9830 Sint-Martens-Latem (BE)