(19)

(11)

EP 4 422 829 A1

(12)

(43) Date of publication: 04.09.2024 Bulletin 2024/36 (21) Application number: 21962694.2 (22) Date of filing: 27.10.2021

(51) International Patent Classification (IPC):  B24B 5/42(2006.01) B24B 49/02(2006.01) B24B 5/04(2006.01) (52) Cooperative Patent Classification (CPC): B24B 5/04; B24B 49/02; B24B 5/42 (86) International application number: PCT/US2021/056783 (87) International publication number: WO 2023/075759 (04.05.2023 Gazette 2023/18)

(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 (71) Applicant: Fives Landis Corp. Hagerstown, MD 21740 (US)	(72) Inventor: HYKES, Timothy W. Greencastle, PA 17225 (US) (74) Representative: Bird & Bird LLP - Hamburg  Am Sandtorkai 50 20457 Hamburg 20457 Hamburg (DE)