A - Human Necessities – 44 – B
Patent
A - Human Necessities
44
B
26/26
A44B 19/58 (2006.01) A44B 19/42 (2006.01) B29D 5/00 (2006.01)
Patent
CA 1238478
ABSTRACT OF THE DISCLOSURE An apparatus, for automatically processing a slide fastener chain to which a succession of fly strips is attached, comprises an intermittently operative feed unit for feeding the fastener chain along a longitudinal path, a first cutting unit disposed upstream of the feed unit for forming element-free gaps in the fastener chain near or at ends of successive fly strips, and a second cutting unit disposed downstream of the feed unit for severing the fastener chain at such element-free portions. The apparatus also includes a measuring unit disposed upstream of the first cutting unit for measuring the amount of the fastener chain having been fed by the feed unit, and a detector disposed between the first cutting unit and the measuring unit for detecting ends of successive fly strips. The measuring unit and the detector are electrically connected to a processing circuit which produces output signals to control the intermittent operation of the feed unit in timed relation with the operations of the first and second cutting units.
445028
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
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