(19)

(11)

EP 3 758 904 A1

(12)

(43) Date of publication: 06.01.2021 Bulletin 2021/01 (21) Application number: 19760693.2 (22) Date of filing: 22.02.2019

(51) International Patent Classification (IPC):  B29C 35/04(2006.01) B29C 35/02(2006.01) B29C 70/34(2006.01) B29C 70/44(2006.01) B29C 43/10(2006.01) B29C 43/32(2006.01) (86) International application number: PCT/FI2019/050143 (87) International publication number: WO 2019/166691 (06.09.2019 Gazette 2019/36)

(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: KH MA MD TN (30) Priority: 27.02.2018 FI 20185184 (71) Applicant: Fibrego Oy 34300 Kuru (FI)	(72) Inventor: RAIVIO, Veikko 34300 KURU (FI) (74) Representative: Salomäki, Juha Kari Ensio  Salomaki Oy Kankurinkatu 4-6 05800 Hyvinkää 05800 Hyvinkää (FI)