(19)

(11)

EP 4 302 292 A1

(12)

(43) Date of publication: 10.01.2024 Bulletin 2024/02 (21) Application number: 22713732.0 (22) Date of filing: 04.03.2022

(51) International Patent Classification (IPC):  G10K 11/165(2006.01) B32B 11/02(2006.01) (52) Cooperative Patent Classification (CPC): G10K 11/165 (86) International application number: PCT/IB2022/051938 (87) International publication number: WO 2022/185275 (09.09.2022 Gazette 2022/36)

(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: 05.03.2021 IT 202100005210 (71) Applicant: Becchis Osiride S.r.l. 10151 Torino (IT)	(72) Inventor: BERTOLAJA, Giovanni 10151 Torino (IT) (74) Representative: Studio Torta S.p.A.  Via Viotti, 9 10121 Torino 10121 Torino (IT)