(19)

(11)

EP 2 906 762 A1

(12)

(43) Date of publication: 19.08.2015 Bulletin 2015/34 (21) Application number: 13786681.0 (22) Date of filing: 04.10.2013

(51) International Patent Classification (IPC):  E04D 3/08(2006.01) E04H 6/02(2006.01) E04B 1/00(2006.01) E04D 13/072(2006.01) (86) International application number: PCT/FI2013/050961 (87) International publication number: WO 2014/060644 (24.04.2014 Gazette 2014/17)

(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: 15.10.2012 FI 20126069 (71) Applicant: Lumon Invest Oy 45130 Kouvola (FI)	(72) Inventor: HILLIAHO, Esa FI-45360 Valkeala (FI) (74) Representative: Tampereen Patenttitoimisto Oy  Hermiankatu 1 B 33720 Tampere 33720 Tampere (FI)