(19)

(11)

EP 3 894 650 A2

(12)

(88) Date of publication A3: 30.07.2020 (43) Date of publication: 20.10.2021 Bulletin 2021/42 (21) Application number: 19824287.7 (22) Date of filing: 13.12.2019

(51) International Patent Classification (IPC):  E06B 3/70(2006.01) (52) Cooperative Patent Classification (CPC): E06B 2003/7051; E06B 3/86; E06B 3/7001; E06B 3/78 (86) International application number: PCT/EP2019/085091 (87) International publication number: WO 2020/120743 (18.06.2020 Gazette 2020/25)

(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: 14.12.2018 GB 201820405 14.12.2018 GB 201820407 (71) Applicant: Rivdal Developments Limited Co. Westmeath (IE)	(72) Inventor: GARTLAND, Matthew Raharney Mullingar, Co. Westmeath (IE) (74) Representative: Hanna Moore + Curley  Garryard House 25-26 Earlsfort Terrace Dublin 2, D02 PX51 Dublin 2, D02 PX51 (IE)