(19)

(11)

EP 3 186 403 A1

(12)

(43) Date of publication: 05.07.2017 Bulletin 2017/27 (21) Application number: 15763073.2 (22) Date of filing: 04.09.2015

(51) International Patent Classification (IPC):  C22B 1/00(2006.01) C22B 7/02(2006.01) C22B 1/243(2006.01) C22B 7/04(2006.01) (86) International application number: PCT/GB2015/052548 (87) International publication number: WO 2016/034884 (10.03.2016 Gazette 2016/10)

(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 (30) Priority: 05.09.2014 GB 201415733 (71) Applicant: Darlow Lloyd & Sons Limited Bridgend, South Wales CF35 6HL (GB)	(72) Inventors: LLOYD, Rhys Darlow Coity Bridgend South Wales CF35 6BE (GB) NOTT, Paul Bridgend South Wales CF31 4GA (GB) (74) Representative: Bardo, Julian Eason et al Abel & Imray 20 Red Lion Street London WC1R 4PQ London WC1R 4PQ (GB)