(19)

(11)

EP 4 519 045 A1

(12)

(43) Date of publication: 12.03.2025 Bulletin 2025/11 (21) Application number: 23726615.0 (22) Date of filing: 03.05.2023

(51) International Patent Classification (IPC):  B23P 23/02(2006.01) B23Q 1/48(2006.01) B23Q 39/02(2006.01) B23B 29/02(2006.01) B23Q 3/06(2006.01) (52) Cooperative Patent Classification (CPC): B23P 23/02; B23Q 3/06; B23Q 39/026; B23B 41/00; B23C 1/14; B23C 1/12; B23C 1/007; B23B 2226/61 (86) International application number: PCT/IB2023/054581 (87) International publication number: WO 2023/214320 (09.11.2023 Gazette 2023/45)

(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: 03.05.2022 IT 202200008870 03.05.2022 IT 202200008873 (71) Applicant: Rizzo, Ketty 31033 Castelfranco Veneto (TV) (IT)	(72) Inventor: FERLIN, Valter 31033 Castelfranco Veneto (TV) (IT) (74) Representative: Rocchetto, Elena  Ufficio Veneto Brevetti S.r.l. Via Sorio, 116 35141 Padova 35141 Padova (IT)