(19)
(11) EP 3 676 050 A1

(12)

(43) Date of publication:
08.07.2020 Bulletin 2020/28

(21) Application number: 18783094.8

(22) Date of filing: 30.08.2018
(51) International Patent Classification (IPC): 
B24B 45/00(2006.01)
B24B 29/04(2006.01)
B24D 13/20(2006.01)
(86) International application number:
PCT/IB2018/056635
(87) International publication number:
WO 2019/043618 (07.03.2019 Gazette 2019/10)
(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: 31.08.2017 IT 201700097984

(71) Applicant: Surfaces Technological Abrasives S.P.A.
24069 Cenate Sotto (BG) (IT)

(72) Inventors:
  • SOLI, Giuseppe
    41124 Formigine (MO) (IT)
  • RICCIOLINI, Werner
    36064 Mason Vicentino (VI) (IT)

(74) Representative: Roncuzzi, Davide 
Roncuzzi & Associati S.r.l. Via Antica Zecca, 6
48121 Ravenna
48121 Ravenna (IT)

   


(54) METHOD FOR FASTENING A ROTARY ABRASIVE TOOL TO A SPINDLE AND FASTENING DEVICE THEREOF