(19)
(11) EP 1 258 316 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.01.2004 Bulletin 2004/02

(43) Date of publication A2:
20.11.2002 Bulletin 2002/47

(21) Application number: 02001223.3

(22) Date of filing: 17.01.2002
(51) International Patent Classification (IPC)7: B24B 19/16, B24B 41/06, B24D 9/08
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 19.01.2001 IT CA010001

(71) Applicant: Commersald S.P.A.
41010 Cognento (Modena) (IT)

(72) Inventor:
  • Trigari, Massimo
    41100 Modena (IT)

(74) Representative: Luppi, Luigi 
Luppi Crugnola Bergamini & Partners S.r.l. Viale Corassori, 54
41100 Modena
41100 Modena (IT)

   


(54) Apparatus for sharpening objects


(57) An apparatus for sharpening objects (2) comprises abrading means (6) arranged for abrading an end portion of said objects (2) and for creating tip means (2a) in said objects (2) and support means (7) connected to rotation driving means (8) and arranged for supporting said abrading means (6), said abrading means (6) being fixed to said support means (7) by magnetic coupling means (15); the projection of the longitudinal axis of each object (2) on a plane containing an active surface (10) is tangent to a circumference the center of which lies on a rotation axis (X) of said abrading means (6); moving means (33) for moving said objects (2) are provided, the moving means (33) being arranged for driving said objects (2) to interact with regions of said active surface (10); in addition, transfer means (5) rotates each object (2) around the longitudinal axis thereof and moves each object (2) along said longitudinal axis towards said abrading means (6).






Search report