(19)

(11)

EP 3 580 998 A1

(12)

(43) Date of publication: 18.12.2019 Bulletin 2019/51 (21) Application number: 18704292.4 (22) Date of filing: 05.02.2018

(51) International Patent Classification (IPC):  H05B 37/02(2006.01) F21V 23/04(2006.01) (86) International application number: PCT/GB2018/050327 (87) International publication number: WO 2018/150158 (23.08.2018 Gazette 2018/34)

(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 TN (30) Priority: 16.02.2017 GB 201702501 (71) Applicant: Wilkes, Robert Derby, Derbyshire DE21 7FJ (GB)	(72) Inventor: Wilkes, Robert Derby, Derbyshire DE21 7FJ (GB) (74) Representative: Swindell & Pearson Limited  48 Friar Gate Derby DE1 1GY Derby DE1 1GY (GB)