| 摘要 |
An ultrasonic cleaning device comprises an ultrasonic pump having a hollow cover forming a spouting port in a narrow portion thereof, an ultrasonic vibrator in a wide portion thereof and a liquid supply port in a side portion thereof. An oscillator is connected to the ultrasonic vibrator. One part of the ultrasonic wave from the vibrator is passed through the spouting portion straight and the other part of the ultrasonic wave is reflected on the inside of the cover and is passed through the spouting port. An object or objects are opposed to the spouting port of the cover.
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