Stitch Type

Stitches: Class-401 (Sub-Classes)

Stitch Class 401 (chainstitch/ twin needle chainstitch): Stitch is formed by 1 needle thread passing through the material and inter-looped with 1 looper thread that is set on the underside of the seam one needle thread (A) and one looper thread (B). Loops of thread (A) are passed through the material and interlaced and inter-looped with loops of thread (B). These inter-looping's are drawn up against the underside of the bottom ply of the material being sewn. Thread consumption ratio=1 : 5.5

Stitch type 401

This type of stitch is formed with 2 threads:

1 Needle thread (A)

1 Looper thread (B)

The loops of thread (A) are passed through the material and inter-laced and inter-looped with loops of thread (B). These inter-looping's are drawn up against the underside of the bottom ply of the material being sewn.

Face Side

Underside