(19)

(11)

EP 3 956 539 A1

(12)

(43) Date of publication: 23.02.2022 Bulletin 2022/08 (21) Application number: 20707780.1 (22) Date of filing: 14.02.2020

(51) International Patent Classification (IPC):  E06B 7/23(2006.01) E06B 7/232(2006.01) (52) Cooperative Patent Classification (CPC): E06B 7/23; E06B 7/2314; E06B 7/232; E06B 2009/007 (86) International application number: PCT/GB2020/050344 (87) International publication number: WO 2020/165598 (20.08.2020 Gazette 2020/34)

(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: 14.02.2019 GB 201902020 (71) Applicant: Ramsden, Richard Birchencliffe Huddersfield, Yorkshire HD3 3RB (GB)	(72) Inventor: Ramsden, Richard Birchencliffe Huddersfield, Yorkshire HD3 3RB (GB) (74) Representative: Corbyn, David Jonathan  Bailey Walsh & Co LLP 1 York Place Leeds, LS1 2DR Leeds, LS1 2DR (GB)