(19)

(11)

EP 3 949 046 A1

(12)

(43) Date of publication: 09.02.2022 Bulletin 2022/06 (21) Application number: 20716587.9 (22) Date of filing: 28.03.2020

(51) International Patent Classification (IPC):  H02G 3/04(2006.01) F16G 13/16(2006.01) F16L 3/015(2006.01) F16L 3/26(2006.01) (52) Cooperative Patent Classification (CPC): H02G 3/0475; F16G 13/16; H02G 3/0493 (86) International application number: PCT/IB2020/052980 (87) International publication number: WO 2020/194277 (01.10.2020 Gazette 2020/40)

(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: 28.03.2019 GB 201904361 (71) Applicant: Arrow Group Global Limited Lowestoft Suffolk NR33 0TP (GB)	(72) Inventors: FRANCIS, Timothy Lowestoft Suffolk NR33 7QG (GB) NYE, Samuel John West Grinstead Sussex NR13 8LN (GB) WALKER, David Andrew West Grinstead Sussex RH13 8LN (GB) (74) Representative: Flynn, Michael Joseph  Flynn-IP The Kilns, Brick Kiln Lane Swainsthorpe Norwich NR14 8PY Norwich NR14 8PY (GB)