B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/114
B29D 5/00 (2006.01) B29D 5/04 (2006.01)
Patent
CA 1168815
ABSTRACT OF THE DISCLOSURE Slide fastener coupling elements are continuously manu- factured from a molded strip of coupling element blank at a speed which is substantially the same as the speed at which the molded strip is produced on a die wheel. The strip of coupling element blank as it is withdrawn from the die wheel is folded about its longitudinal axis into a U-shape while the strip is being heated, and then is heated by hot air before it is shaped into slide fastener coupling elements of a finalized shape at they are heat-set. Then, the coupling elements thus formed are cooled and discharged at a speed equal to a peripheral speed of the die wheel.
384101
Takahashi Kihei
Takeshima Kiyoshi
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
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