(19)

(11)

EP 4 221 530 A1

(12)

(43) Date of publication: 09.08.2023 Bulletin 2023/32 (21) Application number: 21876064.3 (22) Date of filing: 27.09.2021

(51) International Patent Classification (IPC):  A42B 3/22(2006.01) A61F 9/02(2006.01) A62B 18/08(2006.01) A41D 13/11(2006.01) A62B 18/00(2006.01) (52) Cooperative Patent Classification (CPC): A41D 13/1184; A42B 1/018; A41D 13/1161 (86) International application number: PCT/NO2021/050197 (87) International publication number: WO 2022/071808 (07.04.2022 Gazette 2022/14)

(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: 30.09.2020 NO 20201067 (71) Applicant: Peakvent AS 0379 Oslo (NO)	(72) Inventor: GULLIKSEN, Morten 0379 Oslo (NO) (74) Representative: Zacco Norway AS  P.O. Box 488 Skøyen 0213 Oslo 0213 Oslo (NO)