(19)

(11)

EP 3 253 937 A1

(12)

(43) Date of publication: 13.12.2017 Bulletin 2017/50 (21) Application number: 16703514.6 (22) Date of filing: 04.02.2016

(51) International Patent Classification (IPC):  E04H 13/00(2006.01) (86) International application number: PCT/EP2016/052356 (87) International publication number: WO 2016/124678 (11.08.2016 Gazette 2016/32)

(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 (30) Priority: 04.02.2015 IE S20150028 (71) Applicant: Urn Towers Limited Co. Kildare (IE)	(72) Inventor: POWER, Stephen Clane, Kildare Co. Kildare (IE) (74) Representative: Tomkins & Co  5 Dartmouth Road Dublin 6 Dublin 6 (IE)