(19)

(11)

EP 4 496 496 A1

(12)

(43) Date of publication: 29.01.2025 Bulletin 2025/05 (21) Application number: 23716936.2 (22) Date of filing: 21.03.2023

(51) International Patent Classification (IPC):  A47B 1/02(2006.01) (52) Cooperative Patent Classification (CPC): A47B 1/02 (86) International application number: PCT/IT2023/050085 (87) International publication number: WO 2023/181084 (28.09.2023 Gazette 2023/39)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 22.03.2022 IT 202200005588 (71) Applicant: Calligaris S.P.A. 33044 Manzano (UD) (IT)	(72) Inventor: PIVOTTO, Alberto 36063 Marostica (VI) (IT) (74) Representative: Petraz, Davide Luigi et al GLP S.r.l Viale Europa Unita, 171 33100 Udine 33100 Udine (IT)