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(11)

EP 4 125 522 A1

(12)

(43) Date of publication: 08.02.2023 Bulletin 2023/06 (21) Application number: 21712801.6 (22) Date of filing: 16.03.2021

(51) International Patent Classification (IPC):  A47L 5/36(1968.09) A47L 9/28(1968.09) (52) Cooperative Patent Classification (CPC): A47L 5/36; A47L 9/2821; A47L 9/2842; A47L 9/2894; A47L 9/2857 (86) International application number: PCT/EP2021/056652 (87) International publication number: WO 2021/190996 (30.09.2021 Gazette 2021/39)

(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: 23.03.2020 DK PA202000355 (71) Applicant: V. BRÖNDUM A/S 8600 Silkeborg (DK)	(72) Inventor: MADSEN, Ole 8654 Bryrup (DK) (74) Representative: Larsen & Birkeholm A/S  Banegårdspladsen 1 1570 Copenhagen V 1570 Copenhagen V (DK)