B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
26/26
B21D 53/50 (2006.01) A44B 19/60 (2006.01) A44B 19/62 (2006.01) B21F 45/18 (2006.01)
Patent
CA 1157243
ABSTRACT OF THE DISCLOSURE A method of attaching sliders and cop end stops to a pair of continuous slide fastener stringers, each stringer having seccessive spaced groups of coupling elements mounted on continuous stringer tape and interengaged with opposed complementary groups of coupling elements on the other stringer tape, there being successive pairs of opposed blank tape por- tions between the successive spaced pairs of coupling element groups. One of the, successive pairs of opposed blank tape portions is spread apart. A slider is set and retained at a first fixed point between the spread pair of opposed blank tape portions. The opposed blank tape portions are then released so as to engage shoulders of a guide channel of the slider. Then the stringers are fed backwardly so as to thread the opposed blank tape portions through the guide channel of the slider. After that, the stringers are fed forwardly until end portion of an adjacent pair of coupling element groups are introduced into the guide channel of the slider. A pair of top end stops is set and retained at a pair of transversely spaced second fixed points so as to be threaded through the opposed blank tape portions. The stringers are then fed for- wardly until endmost disengaged coupling elements reach the top end stops retained at the second fixed positions. Finally, the top end stops retained at the second fixed points are clinched about the respective inner longitudinal tape edges of the stringer tapes. An apparatus for carrying out this method is also disclosed.
366717
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
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