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EP 4 204 655 A1

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(43) Date of publication: 05.07.2023 Bulletin 2023/27 (21) Application number: 20786318.4 (22) Date of filing: 26.08.2020

(51) International Patent Classification (IPC):  E06B 9/302(2006.01) E06B 9/384(2006.01) E06B 9/262(2006.01) E06B 9/52(2006.01) E06B 9/322(2006.01) E06B 9/303(2006.01) E06B 9/326(2006.01) E06B 9/24(2006.01) (52) Cooperative Patent Classification (CPC): E06B 9/262; E06B 2009/2625; E06B 2009/2476; E06B 2009/2441; E06B 9/326; E06B 9/327; E06B 9/384; E06B 9/522 (86) International application number: PCT/IB2020/057961 (87) International publication number: WO 2022/043735 (03.03.2022 Gazette 2022/09)

(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 (71) Applicant: DFM S.r.l. 00015 Monterotondo (RM) (IT)	(72) Inventor: MARCANTONI, Sergio 00015 Monterotondo (Roma) (IT) (74) Representative: Fiammenghi, Eva et al PRAXI Intellectual Property S.p.A. Via Leonida Bissolati, 20 00187 Roma (RM) 00187 Roma (RM) (IT)