(19)

(11)

EP 4 341 012 A1

(12)

(43) Date of publication: 27.03.2024 Bulletin 2024/13 (21) Application number: 22804118.2 (22) Date of filing: 09.05.2022

(51) International Patent Classification (IPC):  B08B 9/093(2006.01) B05B 13/06(2006.01) B05B 12/00(2018.01) B05B 3/02(2006.01) (52) Cooperative Patent Classification (CPC): B08B 9/0936; B05B 3/006; B05B 3/0445; B05B 3/066; B05B 13/0636; B05B 12/004 (86) International application number: PCT/FI2022/050308 (87) International publication number: WO 2022/243597 (24.11.2022 Gazette 2022/47)

(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: 19.05.2021 FI 20215595 (71) Applicant: Hammeli Oy 01450 Tuusula (FI)	(72) Inventor: RUNDBERG, Tom 10136 Tallinn (EE) (74) Representative: Salomäki, Juha Kari Ensio  Salomaki Oy Kankurinkatu 4-6 05800 Hyvinkää 05800 Hyvinkää (FI)