Patent ID: 11890769
Assignee: CERATIZIT COMO S.P.A.
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  F  C  Y | IPC B  C

Claim 19:
20. An ultrasonic cutting system, comprising:
a sonotrode for generating ultrasonic oscillations, said sonotrode being formed with an internal thread; and
an ultrasonic knife according to claim 10;
said external thread of said ultrasonic knife being threadingly engaged with said internal thread of said sonotrode;
said internal thread of said sonotrode having a minimum diameter Dmin defined by thread crests of said internal thread;
said external thread of said ultrasonic knife having a maximum root diameter dmax defined by a transition from a root radius R to adjoining thread flanks;
wherein dmax≤Dmin.