(19)

(11)

EP 3 855 978 A1

(12)

(43) Date of publication: 04.08.2021 Bulletin 2021/31 (21) Application number: 19778494.5 (22) Date of filing: 25.09.2019

(51) International Patent Classification (IPC):  A47B 13/08(2006.01) A47B 83/04(2006.01) A47B 1/04(2006.01) A47B 37/04(2006.01) F41H 5/08(2006.01) (86) International application number: PCT/EP2019/075870 (87) International publication number: WO 2020/064838 (02.04.2020 Gazette 2020/14)

(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: 26.09.2018 GB 201815688 (71) Applicant: BCB International Limited Cardiff CF3 2EX (GB)	(72) Inventor: HOWELL, Andrew, Rhys Cardiff South Glamorgan CF3 6JX (GB) (74) Representative: Hepworth Browne  15 St. Pauls Street Leeds LS1 2JG Leeds LS1 2JG (GB)