Method and apparatus for attaching fly strips to a slide fastener chain

Abstract From the Canadian patent

An automated assembly produces a continuous contiguous series of individual pieces sewn in a continuously operating sewing machine by conducting successive pieces to the sewing station through a feed station. The feed station may receive the pieces intermittently and irregularly but is equipped with guides and drives for accelerating each successive piece relative to the preceding pieces being sewn in the sewing machine to overtake any spatial gap between the trail end of the preceding piece and the lead end of the succeeding piece so that these ends abut prior to completion of the sewing of the preceding piece. The drives are continuously operating, yet overlapping of the end-to-end …