(19)

(11)

EP 4 297 943 A1

(12)

(43) Date of publication: 03.01.2024 Bulletin 2024/01 (21) Application number: 22705571.2 (22) Date of filing: 14.02.2022

(51) International Patent Classification (IPC):  B28B 7/00(2006.01) B28B 7/24(2006.01) B28B 7/02(2006.01) E04G 11/08(2006.01) (52) Cooperative Patent Classification (CPC): B28B 7/0014; B28B 7/0041; B28B 7/02; B28B 7/248; B28B 7/243; E04G 11/08; E04G 17/001 (86) International application number: PCT/GB2022/050390 (87) International publication number: WO 2022/180363 (01.09.2022 Gazette 2022/35)

(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: 26.02.2021 GB 202102815 (71) Applicant: Elcon Procurement Management Limited Wolverhampton WV4 6JG (GB)	(72) Inventor: WHITFIELD, Edward Bradbury Essex CM4 0BL (GB) (74) Representative: Whitfield, Gillian Janette  Astrum ElementOne Limited Merlin House Langstone Newport NP18 2HJ Newport NP18 2HJ (GB)