Method for producing hemstitches by zigzag sewing machine...

D - Textiles – Paper – 05 – B

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112/91

D05B 1/00 (2006.01) D05B 93/00 (2006.01)

Patent

CA 1186955

ABSTRACT OF THE DISCLOSURE Hemstitches are produced by means of a zigzag sewing machine which produces lock stitches with an upper thread and a lower thread, the hemstitching process includes a step of forming stitches in parallel with and inside of the edge of a fabric or fabrics to be sewn up to actually connect at least two portions or pieces of fabric, a step of forming first zigzag stitches of a predetermined width between an edge of the fabric or fabrics and the stitches formed in parallel with the edge of the fabric or fabrics, and a step of forming second zigzay stitches between the first zigzag stitches and the stitches formed in parallel with the edge of the fabric or fabrics, the second zigzag stitches being wider than the first zigzag stitches.

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