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(11)

EP 4 314 382 A1

(12)

(43) Date of publication: 07.02.2024 Bulletin 2024/06 (21) Application number: 22715359.0 (22) Date of filing: 29.03.2022

(51) International Patent Classification (IPC):  C23C 18/16(2006.01) C25D 1/02(2006.01) C25D 5/56(2006.01) C25D 5/10(2006.01) B29C 33/00(2006.01) F17C 1/16(2006.01) C23C 18/42(2006.01) C25D 5/48(2006.01) C25D 5/00(2006.01) C25D 7/04(2006.01) B32B 1/08(2006.01) C23F 1/00(2006.01) (52) Cooperative Patent Classification (CPC): C25D 1/02; C25D 5/56; C25D 5/605; C25D 5/48; C23C 18/1653; C23C 18/42; C25D 5/10; C25D 7/04; C23F 1/18; B32B 5/02; B32B 15/14; B32B 15/20; B32B 2260/021; B32B 2260/046; B32B 2262/106; B32B 2605/18; B32B 2439/46; B29C 33/485; B29L 2031/7172; F17C 1/14; F17C 1/04; F17C 2201/054; F17C 2203/0604; F17C 2203/0619; F17C 2203/0636; F17C 2203/0663; F17C 2205/0305; F17C 2209/2154; F17C 2209/232; F17C 2221/012; F17C 2223/0123; F17C 2223/0161; F17C 2223/033; F17C 2223/036; F17C 2227/0337; F17C 2227/0369; F17C 2209/227; F17C 2250/0439; F17C 2250/0469; F17C 2250/0491; F17C 2260/012; F17C 2270/0189; F17C 2203/0607; F17C 2201/0109; F17C 2209/21; F17C 2209/2163; F17C 2260/036; B32B 1/00 (86) International application number: PCT/GB2022/050774 (87) International publication number: WO 2022/208065 (06.10.2022 Gazette 2022/40)

(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: 31.03.2021 GB 202104656 (71) Applicant: Ultima Forma Ltd Romsey Hampshire SO51 6FU (GB)	(72) Inventors: GRIJSEN, Guillaume Romsey Hampshire SO51 6FU (GB) DEPRADINE, David Romsey Hampshire SO51 6FU (GB) NEWBURY, Stephen Romsey Hampshire SO51 6FU (GB) BUSHBY, Andrew Romsey Hampshire SO51 6FU (GB) (74) Representative: White, Andrew John et al Mathys & Squire The Shard 32 London Bridge Street London SE1 9SG London SE1 9SG (GB)