(19)

(11)

EP 2 852 719 A2

(12)

(88) Date of publication A3: 19.12.2013 (43) Date of publication: 01.04.2015 Bulletin 2015/14 (21) Application number: 13722134.7 (22) Date of filing: 18.02.2013

(51) International Patent Classification (IPC):  E04F 11/16(2006.01) E04F 11/104(2006.01) E04F 11/17(2006.01) (86) International application number: PCT/NL2013/050103 (87) International publication number: WO 2013/122474 (22.08.2013 Gazette 2013/34)

(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: 17.02.2012 NL 2008314 (71) Applicant: SIP B.V. 6004 RM Weert (NL)	(72) Inventor: STEIJVERS, Johannes Mattheus Hendrikus 6004 RM Weert (NL) (74) Representative: Brantsandpatents bvba  Pauline Van Pottelsberghelaan 24 9051 Ghent 9051 Ghent (BE)