| 摘要 |
An ultrasonically excitable tool or probe is provided with a central bore, and a coupling for attachment to an ultrasonic transducer also provided with a central bore. Fluid may be injected along the communicating bores for filling a bowl or concavity on a distal end of the tool. Upon energization of the transducer, fluid in the concavity serves as a conventional ultrasonic cleaning bath for depending parts which the tool may be raised to accommodate in the concavity. This cleaning may be achieved in a confined space where the presence of the transducer is impossible or impermissible, which is further facilitated by the existence of an extended handle or shaft portion, containing the bore, on the ultrasonic tool. A particular shape of the concavity is found to have unexpected utility in creating and focussing an atomized spray.
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