Method and apparatus for anexacao of stops above in a chain of close corredico

摘要

In attaching a pair of horizontal U-shaped top stops (1, 1) of synthetic resin to a continuous slide fastener chain (6), opposed tape edges near a leading one of successive element-free spaces (7) are spread apart, and the top stops (1, 1) are clamped each on its upper and lower surfaces and are placed between the opposed tape edges so as to be horizontally aligned with the opposed inner tape edges. Then the spead inner tape edges are released to restore their original form so as to be inserted through the respective top stops (1, 1), whereupon only the upper surface of each of the clamped top stops (1, 1) is released from the clamping. Finally the top stops (1, 1) are fused to the opposed tape edges by applying ultrasonic heat energy to the top stops (1, 1) from the released upper surface thereof by an ultrasonic horn (12).