(19)

(11)

EP 3 362 589 A1

(12)

(43) Date of publication: 22.08.2018 Bulletin 2018/34 (21) Application number: 16797963.2 (22) Date of filing: 12.10.2016

(51) International Patent Classification (IPC):  C25C 1/12(2006.01) C25C 7/02(2006.01) (86) International application number: PCT/GB2016/053164 (87) International publication number: WO 2017/064485 (20.04.2017 Gazette 2017/16)

(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: 12.10.2015 GB 201518048 (71) Applicants: Barker, Michael Harold 28100 Pori (FI) Grant, Duncan Bristol, Somerset BS9 4SB (GB)	(72) Inventors: Barker, Michael Harold 28100 Pori (FI) Grant, Duncan Bristol, Somerset BS9 4SB (GB) (74) Representative: Dehns  St. Brides House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)