(19)

(11)

EP 3 787 814 A1

(12)

(43) Date of publication: 10.03.2021 Bulletin 2021/10 (21) Application number: 19730412.4 (22) Date of filing: 26.04.2019

(51) International Patent Classification (IPC):  B22D 19/14(2006.01) C22C 47/06(2006.01) B22D 19/00(2006.01) C22C 47/08(2006.01) (86) International application number: PCT/GB2019/051161 (87) International publication number: WO 2019/211583 (07.11.2019 Gazette 2019/45)

(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: 01.05.2018 GB 201807150 (71) Applicant: Alvant Limited Wade Road Basingstoke Hampshire RG24 8PL (GB)	(72) Inventor: CHRISTIAN, Gemma Louise Basingstoke Hampshire RG24 8PL (GB) (74) Representative: Evens, Paul Jonathan  Maguire Boss 24 East Street St. Ives, Cambridgeshire PE27 5PD St. Ives, Cambridgeshire PE27 5PD (GB)