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(11) | EP 0 943 405 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(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. |