(19)

(11)

EP 4 291 069 A1

(12)

(43) Date of publication: 20.12.2023 Bulletin 2023/51 (21) Application number: 22705767.6 (22) Date of filing: 10.02.2022

(51) International Patent Classification (IPC):  A46B 9/02(2006.01) A45D 20/48(2006.01) A46B 7/02(2006.01) (52) Cooperative Patent Classification (CPC): A46B 7/02; A46B 9/023; A45D 20/48; A45D 2/002 (86) International application number: PCT/EP2022/053193 (87) International publication number: WO 2022/171714 (18.08.2022 Gazette 2022/33)

(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: 11.02.2021 EP 21156459 (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventors: LELIEVELD, Mark Johannes 5656 AG Eindhoven (NL) NIJDAM, Alexander 5656 AG Eindhoven (NL) (74) Representative: Philips Intellectual Property & Standards  High Tech Campus 52 5656 AG Eindhoven 5656 AG Eindhoven (NL)