(19)

(11)

EP 3 049 584 A1

(12)

(43) Date of publication: 03.08.2016 Bulletin 2016/31 (21) Application number: 14787015.8 (22) Date of filing: 22.09.2014

(51) International Patent Classification (IPC):  E03C 1/288(2006.01) E03C 1/122(2006.01) (86) International application number: PCT/GB2014/052868 (87) International publication number: WO 2015/044650 (02.04.2015 Gazette 2015/13)

(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 (30) Priority: 25.09.2013 GB 201317021 (71) Applicant: McALPINE & COMPANY LIMITED Hillington Glasgow G52 4LF Scotland (GB)	(72) Inventor: MCALPINE, James Edward Glasgow Strathclyde G52 4LF (GB) (74) Representative: Flaherty, Annette Esther  Creation IP Limited Hillington Park Innovation Centre 1 Ainslie Road Glasgow Strathclyde G52 4RU Glasgow Strathclyde G52 4RU (GB)