(19)

(11)

EP 3 743 570 A1

(12)

(43) Date of publication: 02.12.2020 Bulletin 2020/49 (21) Application number: 19705784.7 (22) Date of filing: 25.01.2019

(51) International Patent Classification (IPC):  E04B 1/348(2006.01) (86) International application number: PCT/GB2019/050218 (87) International publication number: WO 2019/145732 (01.08.2019 Gazette 2019/31)

(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: 26.01.2018 GB 201801314 (71) Applicant: Gilham, Christian Manchester M3 5LH (GB)	(72) Inventor: Gilham, Christian Manchester M3 5LH (GB) (74) Representative: Wilson Gunn  Blackfriars House The Parsonage 5th Floor Manchester M3 2JA Manchester M3 2JA (GB)