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(11)

EP 4 294 983 A1

(12)

(43) Date of publication: 27.12.2023 Bulletin 2023/52 (21) Application number: 22709802.7 (22) Date of filing: 18.02.2022

(51) International Patent Classification (IPC):  D21H 25/08(2006.01) B29B 17/00(2006.01) D21H 27/00(2006.01) (52) Cooperative Patent Classification (CPC): D21H 27/001; D21H 25/08; B08B 1/04; B08B 1/02; B08B 3/041; B08B 5/046; B08B 3/08 (86) International application number: PCT/IB2022/051462 (87) International publication number: WO 2022/175884 (25.08.2022 Gazette 2022/34)

(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: 18.02.2021 IT 202100003779 (71) Applicant: Barnini S.r.l. 56022 Castelfranco Di Sotto PI (IT)	(72) Inventors: ORLANDI, Andrea 56022 Castelfranco di Sotto (PI) (IT) SIMONI, Matteo 56028 San Miniato (PI) (IT) SIMONI, Lorenzo 56029 Santa Croce sull'Arno (PI) (IT) (74) Representative: Pietri, Simona et al Società Italiana Brevetti S.p.A. Corso dei Tintori, 25 50122 Firenze 50122 Firenze (IT)