(19)

(11)

EP 4 150 169 A1

(12)

(43) Date of publication: 22.03.2023 Bulletin 2023/12 (21) Application number: 21726335.9 (22) Date of filing: 05.05.2021

(51) International Patent Classification (IPC):  E04B 9/04(2006.01) E04C 2/32(2006.01) E04B 1/343(2006.01) (52) Cooperative Patent Classification (CPC): E04B 9/0414; E04B 1/34378; E04B 9/183; E04B 9/16; E04B 9/24; E04C 2/326 (86) International application number: PCT/EP2021/061791 (87) International publication number: WO 2021/228638 (18.11.2021 Gazette 2021/46)

(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: 11.05.2020 GB 202006883 23.02.2021 GB 202102516 (71) Applicant: Hunter Douglas Industries B.V. 3071 EL Rotterdam (NL)	(72) Inventor: STANTS, Catholine Elisabeth 3008 AB Rotterdam (NL) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)