(19)

(11)

EP 4 415 926 A1

(12)

(43) Date of publication: 21.08.2024 Bulletin 2024/34 (21) Application number: 22881905.8 (22) Date of filing: 27.09.2022

(51) International Patent Classification (IPC):  B24B 5/36(2006.01) B60C 25/00(2006.01) B24D 5/02(2006.01) (52) Cooperative Patent Classification (CPC): B24B 5/366 (86) International application number: PCT/US2022/077050 (87) International publication number: WO 2023/064674 (20.04.2023 Gazette 2023/16)

(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: 11.10.2021 US 202163254427 P (71) Applicant: Bridgestone Bandag, LLC Nashville, TN 37201 (US)	(72) Inventors: FOSS, Timothy T. Muscatine, Iowa 52761 (US) SCHURR, Jerod E. Muscatine, Iowa 52761 (US) SCHLAPKOHL, Merle R. Muscatine, Iowa 52761 (US) AUDAS, Milton B. Muscatine, Iowa 52761 (US) (74) Representative: Kraus & Lederer PartGmbB  Thomas-Wimmer-Ring 15 80539 München 80539 München (DE)