(19)

(11)

EP 3 945 812 A1

(12)

(43) Date of publication: 09.02.2022 Bulletin 2022/06 (21) Application number: 20715372.7 (22) Date of filing: 31.03.2020

(51) International Patent Classification (IPC):  A01M 27/00(2006.01) (52) Cooperative Patent Classification (CPC): A01M 27/00; E03F 7/06; A01M 31/002 (86) International application number: PCT/EP2020/059029 (87) International publication number: WO 2020/201241 (08.10.2020 Gazette 2020/41)

(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: 01.04.2019 DK PA201900382 (71) Applicant: Ratél ApS 6000 Kolding (DK)	(72) Inventor: KNUDSEN, Hans 6000 Kolding (DK) (74) Representative: Larsen & Birkeholm A/S  Banegårdspladsen 1 1570 Copenhagen V 1570 Copenhagen V (DK)