(19)

(11)

EP 4 087 705 A1

(12)

(43) Date of publication: 16.11.2022 Bulletin 2022/46 (21) Application number: 21700533.9 (22) Date of filing: 11.01.2021

(51) International Patent Classification (IPC):  B24C 1/02(2006.01) B24C 5/04(2006.01) B24C 1/08(2006.01) B24C 3/22(2006.01) (52) Cooperative Patent Classification (CPC): B24C 1/02; B24C 1/08; B24C 5/04; B24C 3/22; B24C 1/10 (86) International application number: PCT/EP2021/050414 (87) International publication number: WO 2021/140255 (15.07.2021 Gazette 2021/28)

(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: 07.01.2020 GB 202000195 (71) Applicant: Vapormatt Limited St. Sampsons, GY2 4AG (GG)	(72) Inventor: ASHWORTH, Matthew Sampsons GY2 4AG (GG) (74) Representative: Barker Brettell LLP  100 Hagley Road Edgbaston Birmingham B16 8QQ Birmingham B16 8QQ (GB)