D - Textiles – Paper – 05 – B
Patent
D - Textiles, Paper
05
B
D05B 3/12 (2006.01) A41H 37/00 (2006.01) A41H 43/04 (2006.01) D05B 35/06 (2006.01)
Patent
CA 2126712
SEWING APPARATUS FOR MAKING COMPOSITE DRAWCORD/ELASTIC WAISTBAND ABSTRACT OF THE DISCLOSURE A sewing apparatus combines an elastic band with a non-elastic draw cord to form a composite band. The apparatus includes a sowing machine for sewing the draw cord to one surface of the elastic band. The sewing machine forms a plurality of stitches that collectively define a longitudinally extending channel encasing the draw cord. The elastic band is fed through the sewing machine by a set of feed rollers disposed upstream from the sewing machine and a set of draw rollers disposed downstream of the sewing machine. The draw rollers are operated at a higher feed rate than the feed rollers to stretch a segment of theelastic band as it passes through the sewing machine. The draw cord is fed through the sewing machine in side-by-side relationship with the elastic band and is secured to the band while the band is in a stretched condition. The sewing apparatus of the present invention can be used in line with a knitting machine in which the elastic band is formed, or can be used standing alone in an independent operation.
Bryant Don E.
Finlayson & Singlehurst
LandOfFree
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