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(11)

EP 4 182 259 A1

(12)

(43) Date of publication: 24.05.2023 Bulletin 2023/21 (21) Application number: 21740250.2 (22) Date of filing: 17.06.2021

(51) International Patent Classification (IPC):  B67D 1/00(2006.01) B67D 1/08(2006.01) (52) Cooperative Patent Classification (CPC): B67D 1/0051; B67D 1/0047; B67D 1/0061; B67D 1/0888 (86) International application number: PCT/IT2021/050189 (87) International publication number: WO 2022/013896 (20.01.2022 Gazette 2022/03)

(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: 14.07.2020 IT 202000017011 (71) Applicant: KERATEK S.r.l. 10043 Orbassano (IT)	(72) Inventor: GERARDI, Leonardo 10043 Orbassano (IT) (74) Representative: Garavelli, Paolo  A.BRE.MAR. S.R.L. Consulenza in Proprietà Industriale Via Servais 27 10146 Torino 10146 Torino (IT)