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(11)

EP 3 506 793 A1

(12)

(43) Date of publication: 10.07.2019 Bulletin 2019/28 (21) Application number: 17757835.8 (22) Date of filing: 17.08.2017

(51) International Patent Classification (IPC):  A45D 20/12(2006.01) A45D 1/04(2006.01) A45D 20/50(2006.01) A45D 1/16(2006.01) A45D 2/00(2006.01) A45D 20/48(2006.01) (86) International application number: PCT/GB2017/052430 (87) International publication number: WO 2018/042157 (08.03.2018 Gazette 2018/10)

(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 (30) Priority: 30.08.2016 GB 201614664 (71) Applicant: Dyson Technology Limited Malmesbury, Wiltshire SN16 0RP (GB)

(72) Inventors: SPARK, Craig Malmesbury Wiltshire SN16 0RP (GB) THOMPSON, Daniel Malmesbury Wiltshire SN16 0RP (GB) MCVEIGH, Brian Malmesbury Wiltshire SN16 0RP (GB) COULTON, Robert Malmesbury Wiltshire SN16 0RP (GB) (74) Representative: Fowler, Maria Jayne et al Dyson Technology Limited Intellectual Property Department Tetbury Hill Malmesbury, Wiltshire, SN16 0RP Malmesbury, Wiltshire, SN16 0RP (GB)