(19)
(11) EP 3 793 774 A1

(12)

(43) Date of publication:
24.03.2021 Bulletin 2021/12

(21) Application number: 19734883.2

(22) Date of filing: 15.05.2019
(51) International Patent Classification (IPC): 
B24D 7/14(2006.01)
(86) International application number:
PCT/IB2019/054039
(87) International publication number:
WO 2019/220373 (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: 16.05.2018 EP 18172592

(71) Applicant: 3M Innovative Properties Company
St. Paul, MN 55133-3427 (US)

(72) Inventor:
  • VAN DER MEER, Marijke
    31787 Hameln (DE)

(74) Representative: Müller, Bruno 
3M Deutschland GmbH 3M Office of Intellectual Property Counsel Carl-Schurz-Straße 1
41453 Neuss
41453 Neuss (DE)

   


(54) GRINDING WHEEL