(19)

(11)

EP 4 217 579 A1

(12)

(43) Date of publication: 02.08.2023 Bulletin 2023/31 (21) Application number: 21791460.5 (22) Date of filing: 24.09.2021

(51) International Patent Classification (IPC):  E06B 9/00(2006.01) (52) Cooperative Patent Classification (CPC): E06B 9/00; E06B 2009/007 (86) International application number: PCT/IB2021/058731 (87) International publication number: WO 2022/064442 (31.03.2022 Gazette 2022/13)

(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: 24.09.2020 IT 202000022573 (71) Applicant: Pellegrino, Marco 48124 Ravenna (IT)	(72) Inventor: Pellegrino, Marco 48124 Ravenna (IT) (74) Representative: Roncuzzi, Davide  Roncuzzi & Associati S.r.l. Via Antica Zecca, 6 48121 Ravenna 48121 Ravenna (IT)