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EP 3 793 773 A1

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(43) Date of publication: 24.03.2021 Bulletin 2021/12 (21) Application number: 19802699.9 (22) Date of filing: 14.05.2019

(51) International Patent Classification (IPC):  B24D 7/06(2006.01) B24D 7/08(2006.01) B24B 9/10(2006.01) (86) International application number: PCT/US2019/032189 (87) International publication number: WO 2019/222193 (21.11.2019 Gazette 2019/47)

(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: 15.05.2018 US 201862671534 P (71) Applicants: Saint-Gobain Abrasives, Inc. Worcester, MA 01615 (US) Saint-Gobain Abrasifs 78700 Conflans-Sainte-Honorine (FR)	(72) Inventors: ODEH, Samuel H. Greer, South Carolina 29651 (US) SCIGACZ, Andrzej Addison, Illinois 60101 (US) (74) Representative: Zimmermann & Partner Patentanwälte mbB  Postfach 330 920 80069 München 80069 München (DE)