(19)

(11)

EP 4 106 592 A1

(12)

(43) Date of publication: 28.12.2022 Bulletin 2022/52 (21) Application number: 21708326.0 (22) Date of filing: 18.02.2021

(51) International Patent Classification (IPC):  A47L 5/24(2006.01) A47L 9/12(2006.01) A47L 9/14(2006.01) (52) Cooperative Patent Classification (CPC): A47L 5/24; A47L 9/1409; A47L 9/127 (86) International application number: PCT/GB2021/050404 (87) International publication number: WO 2021/165687 (26.08.2021 Gazette 2021/34)

(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: KH MA MD TN (30) Priority: 21.02.2020 GB 202002480 (71) Applicant: NUMATIC INTERNATIONAL LIMITED Camberley Surrey GU15 3SY (GB)	(72) Inventors: ASTON, Marcus Surrey GU15 3SY (GB) FORREST, James Surrey GU15 3SY (GB) (74) Representative: CSY London  Helios Court 1 Bishop Square Hatfield Hertfordshire AL10 9NE Hertfordshire AL10 9NE (GB)