| 摘要 |
PROBLEM TO BE SOLVED: To enhance portability and productivity. SOLUTION: An ultrasonic vibrator 2 oscillating ultrasonic vibration, a horn part 3 amplifying ultrasonic vibration and having a processed surface 3A provided to the leading end part thereof, a grip member 4 holding them integrally at its one end part 4A and the press member 9 engaged with the grip member 4 in a freely revolvable manner and having the pressure surface 9B opposed to the processed surface 3A of the horn part 3 provided to the revolving end 9A thereof are provided. The end part 4A of the grip member 4 holding the ultrasonic vibrator 2 and the horn part 3 is formed so as to be slightly bent with respect to the whole of the grip member 4. |
