3. Warp-dyeing and sizing.
4. Winding yarn on to a weaver’s beam.
5. Twisting-in or drawing-in.
1. (b) Warp-dyeing and Sizing.
A system by which warps of one colour may be prepared by means of sectional warping, from ball-dyed and sized yarn, has been recently introduced. It comprises the following operations, namely—
1. Winding yarn from cops or ring bobbins on to warpers’ bobbins.
2. Mill or other system of ball warping.
3. Warp-dyeing and sizing.
4. Winding yarn from ball warps on to warpers’ bobbins by means of a warp-winding machine.
5. Sectional warping and beaming.