In the 20th century, people have been looking for low-cost carpet fibers that can match the characteristics and properties of wool. There are two types of man-made fibers, recycled fiber and synthetic fiber.
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Staple yarns for carpets are mainly produced on semi worsted and wool systems. The worsted system is only used for some fine yarns because it is difficult to spin such yarns with uncombed slivers.
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If wool yarn is to be made into a cut pile carpet, the twist in the yarn must be stabilized. An acceptable level of twist is essential for carpet texture clarity and good texture retention. Wool shaping involves rearranging
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Hand-knotting is carried out on a simple loom as shown in Figure 13.2. Figure 13.2 Loom for hand-knotting carpets. Source: Wood, 2006. Hand woven fabrics are the basis of carpets, while fluff is made by introducing knots of another material, such as
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Tufted carpets are formed by stitching loops of pile yarn from a needle bar carrying 1000-2000 needles into a pre-woven (or spunbonded) primary backing fabric. The needles oscillate up and down in unison