| 摘要 |
The method 100 includes an ultrasonic vibrating device 110 configured to apply ultrasonic vibration to the predetermined region 50A, an anvil roller 120 facing the ultrasonic vibrating device 110 with the superimposed continua of the front waistline portions and the back waistline portions interposed therebetween, and including a protrusion 122 configured to press the continua in the predetermined region 50A between the anvil roller 120 and the ultrasonic vibrating device 110, a motor 130 configured to rotate the anvil roller 120, a belt 140 configured to connect the anvil roller 120 and the motor 130 and to be driven by the motor 130, and a pressing mechanism 150 configured to press the belt 140 in a cross direction perpendicular to a driving direction of the belt 140. |
