(19)

(11)

EP 3 090 108 A1

(12)

(43) Date of publication: 09.11.2016 Bulletin 2016/45 (21) Application number: 14869215.5 (22) Date of filing: 10.12.2014

(51) International Patent Classification (IPC):  E04C 2/38(2006.01) E04B 1/61(2006.01) E04B 1/10(2006.01) B27M 3/00(2006.01) (86) International application number: PCT/FI2014/000039 (87) International publication number: WO 2015/086886 (18.06.2015 Gazette 2015/24)

(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: 12.12.2013 FI 20130373 (71) Applicant: Nordiskt Material AB 22100 Mariehamm (FI)	(72) Inventor: NORDLUND, Lennart FI-22100 Mariehamn (FI) (74) Representative: IPR Partners Ltd  Hietalahdenranta 13 00180 Helsinki 00180 Helsinki (FI)