B - Operations – Transporting – 21 – F
Patent
B - Operations, Transporting
21
F
26/168
B21F 45/10 (2006.01) A44B 19/00 (2006.01) A44B 19/58 (2006.01)
Patent
CA 1097043
ABSTRACT OF THE DISCLOSURE An apparatus for removing coupling element residuals from a coupled pair of slide fastener stringers comprises a scraper roll drivable for continued rotation and an idler tumbler roll around which the slide fastener stringers travel for rotating the tumbler roll. The tumbler roll has a radial wing which when the tumbler roll is rotated, brings the coupling element residuals thereon into contact with the scraper roll while it is revolving so as to scrape off the residuals reliably. The tumbler roll has pawl means for engaging the fastener stringers at a predetermined position thereon so as to place the coupling element residu- als on the tumbler wing. The tumbler roll is rotatable upon engagement of the pawl means with the fastener stringers being fed. The apparatus includes stop means for temporarily stopping rotation of the tumbler roll and guide means for guiding the fastener stringers properly onto the tumbler wing.
318283
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
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