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(11)

EP 3 519 648 A1

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(43) Date of publication: 07.08.2019 Bulletin 2019/32 (21) Application number: 17784399.2 (22) Date of filing: 20.09.2017

(51) International Patent Classification (IPC):  E04F 13/08(2006.01) E04B 2/74(2006.01) F24B 1/198(2006.01) E04C 3/07(2006.01) F24B 1/18(2006.01) E04C 3/04(2006.01) (86) International application number: PCT/IB2017/055697 (87) International publication number: WO 2018/060814 (05.04.2018 Gazette 2018/14)

(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 Designated Validation States: MA MD (30) Priority: 29.09.2016 BE 201605726 (71) Applicant: IFIRE BVBA 9810 Eke-Nazareth (BE)	(72) Inventor: BONTEMPS, Geoffrey 9810 Eke-Nazareth (BE) (74) Representative: Van hunsel, Lieven M.S.  Archimedes Patents Arenbergstraat 13 2000 Antwerpen 2000 Antwerpen (BE)