Apparatus for manufacturing a continuous slide fastener...

B - Operations – Transporting – 21 – F

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B21F 45/18 (2006.01) A44B 19/42 (2006.01) A44B 19/50 (2006.01) A44B 19/58 (2006.01) D05B 3/18 (2006.01)

Patent

CA 1188493

ABSTRACT OF THE DISCLOSURE An apparatus for manufacturing a continuous slide fastener stringer chain including a space portions devoid of coupling elements at longitudinal intervals. The apparatus comprises feed rollers for continuously feeding a pair of continuous stringer tapes, in synchronism with a sewing machine, to a sewing area in the sewing machine, a stationary guide member having a longitudinal channel for the passage of a pair of interengaged rows of coupling elements, and a toothed wheel projecting into the guide channel and rotatable for intermittently feeding the coupling elements in synchronism with the sewing machine to the sewing area. A cutter assembly is disposed between the sewing area and the toothed wheel for cutting off a length of coupling elements from the interengaged rows of continuous coupling elements each time the latter stops moving.

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