(19)

(11)

EP 3 682 172 A1

(12)

(43) Date of publication: 22.07.2020 Bulletin 2020/30 (21) Application number: 18855849.8 (22) Date of filing: 13.09.2018

(51) International Patent Classification (IPC):  F24S 50/00(2018.01) F24S 10/00(2018.01) F24S 50/40(2018.01) F24S 80/30(2018.01) (86) International application number: PCT/FI2018/050659 (87) International publication number: WO 2019/053332 (21.03.2019 Gazette 2019/12)

(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: 14.09.2017 US 201715704306 (71) Applicant: Double M Properties AB 67100 Kokkola (FI)	(72) Inventors: MANDERBACKA, Mats 67100 Kokkola (FI) SIVULA, Timo 67100 Kokkola (FI) (74) Representative: Kolster Oy Ab  Salmisaarenaukio 1 P.O. Box 204 00181 Helsinki 00181 Helsinki (FI)