(19)

(11)

EP 3 883 656 A1

(12)

(43) Date of publication: 29.09.2021 Bulletin 2021/39 (21) Application number: 19809898.0 (22) Date of filing: 22.11.2019

(51) International Patent Classification (IPC):  A62B 9/00(2006.01) A62B 18/00(2006.01) A62B 18/08(2006.01) (52) Cooperative Patent Classification (CPC): A62B 18/088; A62B 18/006; A62B 27/00; A62B 9/006; A61F 9/06 (86) International application number: PCT/GB2019/053306 (87) International publication number: WO 2020/104815 (28.05.2020 Gazette 2020/22)

(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: 23.11.2018 GB 201819120 (71) Applicant: World Wide Welding Ltd Wolverhampton, West Midlands WV10 9LE (GB)	(72) Inventor: BOFFEY, John Leicestershire LE17 4AT (GB) (74) Representative: Croston, David  Withers & Rogers LLP 4 More London Riverside London SE1 2AU London SE1 2AU (GB)