Different Types of Fancy Yarns-Cover Yarn

Cover Yarn:
The cover yarns are made by plying process the threading arrangement is identical to the knob yarn. Two pair of rollers controlling the yarns are made to start stop as required. However instead of stopping, each pair of rollers will in turn slow to a speed that allows the other yarn to wrap around that fed by slowed rollers. The level of twist required is high in order of 1600t/m. A typical structure of the Cover yarn shown in the Figure: