(19)

(11)

EP 4 018 066 A1

(12)

(43) Date of publication: 29.06.2022 Bulletin 2022/26 (21) Application number: 20761789.5 (22) Date of filing: 24.08.2020

(51) International Patent Classification (IPC):  E06B 3/968(2006.01) E04D 13/03(2006.01) (52) Cooperative Patent Classification (CPC): E06B 3/9682; E04D 13/03 (86) International application number: PCT/EP2020/073640 (87) International publication number: WO 2021/037803 (04.03.2021 Gazette 2021/09)

(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 (30) Priority: 23.08.2019 GB 201912186 (71) Applicant: THE METAL WINDOW CO LTD (INCORPORATED IN THE UNITED KINGDOM) Shipton under Wychwood OX7 6XU (GB)	(72) Inventors: DANIEL, Peter Shipton-under- Wychwood Oxfordshire, OX76XU (GB) TUCK, Neil Shipton-under- Wychwood Oxfordshire, OX76XU (GB) (74) Representative: Hoffmann Eitle  Patent- und Rechtsanwälte PartmbB Arabellastraße 30 81925 München 81925 München (DE)