B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
26/169
B23P 19/04 (2006.01) A44B 19/58 (2006.01)
Patent
CA 1176044
ABSTRACT OF THE DISCLOSURE An apparatus for forming an element-free gap or space section in a pair of continuous slide fastener stringers. In the apparatus, a support table has a guide groove for receiving the pair of the fastener stringers along a longitudinal path. A pair of guide plates is disposed one on each side of the guide groove and extends thereover toward each other to define with the guide groove a guide channel. A pressure pad is vertically movable around a stationary die in the support table for clamping with the guide plate a pair of tapes. A punch has a sharp cutting edge so that, as the punch is moved toward the stationary die, the cutting edge enters a relatively small clearance between adjacent tape edges to cut a chain of interengaged coupling elements only at tape-side leg portions which the fastener stringers-are simply placed in and along the guide channel. An ejector is disposed beneath the punch and is upwardly movable together with the punch to pull the cut coupling elements out of stitches holding the coupling elements to the tapes while the latter are clamped between the pressure pad and the guide plates without pulling the tapes laterally apart from each other.
376658
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
LandOfFree
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