(19)

(11)

EP 4 171 209 A1

(12)

(43) Date of publication: 03.05.2023 Bulletin 2023/18 (21) Application number: 21751651.7 (22) Date of filing: 29.06.2021

(51) International Patent Classification (IPC):  A01K 1/01(2006.01) (52) Cooperative Patent Classification (CPC): A01K 1/0135; A01K 1/0103 (86) International application number: PCT/NL2021/050408 (87) International publication number: WO 2022/005279 (06.01.2022 Gazette 2022/01)

(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: 29.06.2020 NL 2025941 (71) Applicant: Th. Tangelder en Zn. 7064 KP Silvolde (NL)	(72) Inventor: TANGELDER, Theo Wilhelmus 7064 KP SILVOLDE (NL) (74) Representative: Arnold & Siedsma  Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)