(19)

(11)

EP 4 565 337 A1

(12)

(43) Date of publication: 11.06.2025 Bulletin 2025/24 (21) Application number: 23776409.7 (22) Date of filing: 04.08.2023

(51) International Patent Classification (IPC):  A62C 31/22(2006.01) A62C 35/13(2006.01) (52) Cooperative Patent Classification (CPC): A62C 31/22; A62C 35/13; A62C 3/002 (86) International application number: PCT/FI2023/050454 (87) International publication number: WO 2024/028541 (08.02.2024 Gazette 2024/06)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 05.08.2022 FI 20225705 (71) Applicant: Happonen, Jarno 01300 Vantaa (FI)	(72) Inventor: Happonen, Jarno 01300 Vantaa (FI) (74) Representative: Kolster Oy Ab  Salmisaarenaukio 1 P.O. Box 204 00181 Helsinki 00181 Helsinki (FI)