(19)

(11)

EP 3 574 157 A1

(12)

(43) Date of publication: 04.12.2019 Bulletin 2019/49 (21) Application number: 18707125.3 (22) Date of filing: 24.01.2018

(51) International Patent Classification (IPC):  E04B 2/96(2006.01) E06B 9/26(2006.01) E04F 10/08(2006.01) E06B 9/38(2006.01) (86) International application number: PCT/GB2018/050199 (87) International publication number: WO 2018/138493 (02.08.2018 Gazette 2018/31)

(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: MA MD TN (30) Priority: 24.01.2017 GB 201701210 09.08.2017 GB 201712793 11.08.2017 GB 201712957 (71) Applicant: Braybrook, Peter Gloucester, Gloucestershire GL2 0QT (GB)	(72) Inventor: Braybrook, Peter Gloucester, Gloucestershire GL2 0QT (GB) (74) Representative: Hocking, Adrian Niall et al Albright IP Limited County House Bayshill Road Cheltenham, Glos. GL50 3BA Cheltenham, Glos. GL50 3BA (GB)