Stitch Type

Stitches: Class-504 (Sub-Classes)

Stitch Class 504 (overedge): Stitch formed by 1 needle thread and 2 looper threads forming a purl on the edge of the seam. For overedge seaming and serging.

Thread consumption ratio=1 : 14

This type of stitch is formed with 3 threads:

Stitch type 504

1 Needle thread (A) 1 Lower looper thread (B) 1 Upper looper thread (C)

The loops of the needle thread (A) are passed through the material and inter-looped with loops of thread (B) at the point of penetration on the underside of the material. The loops of thread (B) are extended to the edge of the material and there inter-looped with loops of the upper looper thread (C).