(19)

(11)

EP 4 347 963 A1

(12)

(43) Date of publication: 10.04.2024 Bulletin 2024/15 (21) Application number: 22731612.2 (22) Date of filing: 01.06.2022

(51) International Patent Classification (IPC):  E03C 1/20(2006.01) E03C 1/22(2006.01) E03C 1/05(2006.01) E03D 13/00(2006.01) E03C 1/14(2006.01) E03C 1/264(2006.01) E03C 1/10(2006.01) E03C 1/30(2006.01) E03C 1/24(2006.01) E03C 1/126(2006.01) E03C 1/184(2006.01) E03C 1/282(2006.01) (52) Cooperative Patent Classification (CPC): E03C 1/126; E03C 1/14; E03C 1/184; E03C 2001/2406; E03C 1/264; E03C 1/282; E03D 13/005; E03C 1/20; E03C 1/10; E03C 1/22; E03C 1/30; E03F 2201/40; E03C 1/057 (86) International application number: PCT/EP2022/064983 (87) International publication number: WO 2022/253930 (08.12.2022 Gazette 2022/49)

(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: 04.06.2021 GB 202108037 17.08.2021 GB 202111775 (71) Applicant: Ideal Standard International NV 1935 Zaventem (BE)	(72) Inventors: DELLA-PORTA, Louis Albert 1935 Zaventem (BE) LAYEGHI, Kombiz 1935 Zaventem (BE) (74) Representative: D Young & Co LLP  120 Holborn London EC1N 2DY London EC1N 2DY (GB)