(19)

(11)

EP 4 402 331 A1

(12)

(43) Date of publication: 24.07.2024 Bulletin 2024/30 (21) Application number: 22782697.1 (22) Date of filing: 12.09.2022

(51) International Patent Classification (IPC):  E06B 3/66(2006.01) E06B 3/67(2006.01) E06B 3/663(2006.01) (52) Cooperative Patent Classification (CPC): E06B 3/6612; E06B 3/66304; E06B 3/6722; Y02B 80/22; Y02A 30/249 (86) International application number: PCT/EP2022/075206 (87) International publication number: WO 2023/041456 (23.03.2023 Gazette 2023/12)

(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: 15.09.2021 EP 21196918 (71) Applicant: AGC Glass Europe 1348 Louvain-La-Neuve (BE)	(72) Inventors: JEANFILS, Julien 1457 Walhain (BE) BOUESNARD, Olivier 1460 Ittre (BE) (74) Representative: AGC Glass Europe  Technovation Centre Intellectual Property Department Rue Louis Blériot 12 6041 Gosselies 6041 Gosselies (BE)