| 摘要 |
DISCLOSED IS A SEALING APPARATUS INCLUDING AN ANVIL (16) OF A SEALING ABUTMENT SURFACE (16A), WHICH IS DRIVEN TO CIRCULATE WITH A CONSTANT PERIPHERAL VELOCITY (V0), AND AN ULTRASONIC HORN (48) OF A SEALING ABUTMENT SURFACE (48A), WHICH IS DRIVEN TO RECIPROCATE WITH VARYING VELOCITIES (+VT, -VT).SINCE THE RELATIVE VELOCITY (VO-VT) OF A SOFT WORKPIECE (W) MOVING ALONG WITH THE ANVIL (16) AGAINST THE SEALING ABUTMENT SURFACE (48A) OF THE ULTRASONIC HORN (48) CAN BE MADE LOW, A SEALING ENERGY FROM THE ULTRASONIC HORN (48) MAY BE APPLIED TO THE SOFT WORKPIECE (W) SUFFICIENTLY LONG.(FIG 1) |
