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What is "False Twist" - Definition & Explanation

The twist inserted in yarn using false twisting such that the net twist in the yarn is zero.
Turns inserted in opposite directions and in equal numbers in adjacent elements of yarn, silver (q.v.) or similar aggregations of fibres or filaments, and that are characterised by their temporary nature.

NOTE:

False twist may be used as follows:

a) To produce effects, e.g. 1. the entanglement of fibres while false-twisted;

2. a measure of permanence to the twisted form by heat-setting the false-twisted yarns.

b) To assist processing, e.g. 1. the passage of sliver from "noble" comb to can;

2. the attenuation of rovings (q.v.) on a condenser ring frame

Some other terms

Some more terms:

Herringbone Twill
A broken twill weave composed of vertical sections which are alternately right hand and left hand in direction, resembling the vertebral structure of the herring (zigzag). The twill changes direction...
Aramid Fiber
The generic name for fibres composed of synthetic linear macromolecules that have in the chain recurring amide groups, at least 85% of which are joined directly to two aromatic rings and in which...
Stretcher
Piece of scrap material sewn to the cover were additional length is needed to fasten to the frame. This is used in areas that will not be seen in use of the completed piece. Used to provide...
Dot
A design dominated by circular spots, which may be of any size, printed or woven into the fabric. Small dots are often called pin dots; medium to large dots may be referred to as aspirin dots, coin...
Lyocell
The generic name given to a new family of cellulosic fibres and yarns that have been produced by solvent spinning. The process is widely regarded as being environmentally-friendly, and the product...

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