(19)
(11) EP 0 943 405 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.05.2001 Bulletin 2001/20

(43) Date of publication A2:
22.09.1999 Bulletin 1999/38

(21) Application number: 99200542.1

(22) Date of filing: 25.02.1999
(51) International Patent Classification (IPC)7B26D 7/08
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 16.03.1998 GB 9805569

(71) Applicant: SOCIETE DES PRODUITS NESTLE S.A.
1800 Vevey (CH)

(72) Inventors:
  • Harrop, Martin
    Clifton, York Y03 6 PD (GB)
  • Elwood, David Victor
    Syston, Leicester LE7 2BU (GB)

(74) Representative: Pate, Frederick George et al
55, Avenue Nestlé
1800 Vevey
1800 Vevey (CH)

   


(54) Ultrasonic cutting device


(57) An ultrasonic cutting system comprising an ultrasonic vibrating device (10) having an operative face, a block horn (11) having a responsive face connected to the operative face of the ultrasonic vibrating device (10) and an operative face, and a plurality of cutting blades (13) mounted on the operative face of the block horn (11) so as to be vibrated thereby/therewith, the blades lying in a plane containing the longitudinal axis of vibrations characterised in that the block horn (11) is provided with at least one tuning slot (12) traversing the block between the operative and responsive faces.







Search report