(19)

(11)

EP 4 189 318 A1

(12)

(43) Date of publication: 07.06.2023 Bulletin 2023/23 (21) Application number: 21849326.0 (22) Date of filing: 28.07.2021

(51) International Patent Classification (IPC):  F28F 3/10(2006.01) F28F 3/08(2006.01) F28F 3/02(2006.01) (52) Cooperative Patent Classification (CPC): F28F 3/10; F28F 3/083 (86) International application number: PCT/IL2021/050913 (87) International publication number: WO 2022/024125 (03.02.2022 Gazette 2022/05)

(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: 29.07.2020 US 202063057902 P (71) Applicant: Seidel, Pessach 9082000, Motza Ilit (IL)	(72) Inventor: Seidel, Pessach 9082000, Motza Ilit (IL) (74) Representative: Lavoix  Bayerstraße 83 80335 München 80335 München (DE)