D - Textiles – Paper – 05 – B
Patent
D - Textiles, Paper
05
B
112/83
D05B 3/12 (2006.01) D05B 35/06 (2006.01) D05B 41/00 (2006.01) D05B 65/00 (2006.01)
Patent
CA 1227701
ABSTRACT OF THE DISCLOSURE An automatic apparatus for sewing elongated workpieces, and especially useful for precisely sewing a pair of concealed slide fastener stringers to a pair of fabric halves defining the opening therebetween comprises a table having fabric input guides at the front end of the table, a sewing station, and a gripper assembly for drawing the fabric pieces from the sewing station under a tension less than that applied by the sewing machine feed dog and presser foot. Individually actuable workpiece holders are provided to permit successive setting up of the fabric pieces in the sewing station. Fastener stringers are guided to the sewing station with their corded edges supported in guide channels as the stringers are superposed on the respective fabric piece. The sewing operation proceeds automatically in an extremely precise manner after the sewing station is inputed and the sewing machine started.
463091
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
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