A spiral yarn structure includes a core yarn comprising at least one core filament which is a filament fiber of 5-25D, a cover yarn comprising a plurality of cover fibers formed by stretching roves having a count ranging from 0.5 Ne to 2.0 Ne, wherein the cover fibers encloses the core yarn, and a wrap yarn wrapping …
What is spiral yarn used for?
The thicker yarn is given a slack twist and wound spirally around the core fine yarn, which is given a hard twist. Spiral yarns are also known as corkscrew or eccentric yarns. These yarns are mostly used in furnishings and apparel. Knot Yarn is made by twisting the effect ply many times at the same place.
What is irregular yarn?
Novelty yarns are sometimes referred to as complex yarns. A yarn which makes a fabric is not always smooth and uniform. … This look of the yarns are used to add interesting effects in fabrics. In complex ply two or more complex yarns are twisted around each other to form loops, curls and knots to create fancy effects.
What are nub yarns?
Also known as knot or spot yarns, this novelty yarn is made by twisting the ply around the core ply many times within a very short space. This twisting process causes bumps or nubs to appear at intervals along the length of the twisted yarn.
Why is fancy yarn important?
Fancy yarns, also called novelty or effect yarns, represent another category of yarns in which deliberate irregularities, discontinuities and color variations are introduced into the yarn structure with the primary intention being to produce enhanced esthetic and fashionable impressions.
What do you mean by fancy yarn?
Fancy yarns can be defined as yarns in which interruption or decorative discontinuity are purposely added, it can be either color or form OR of both color and form. … A slub yarn is the yarn in which slubs have been purposely added to produce the desired effect.
What is slub yarn?
: a yarn with thick and thin sections alternating regularly or irregularly — compare slub.
How do you classify yarn?
The three basic classifications of textile yarn include staple fiber yarn, which uses mostly short natural fibers to make yarn; ply yarns, which involve one or more strands of staple fiber yarn wound together; and filament yarn, which is wound from one or more long continuous filaments.
How do I know what kind of yarn I have?
Unravel wet yarn to check if it is made up of straight plant fibers. Pull apart the individual fibers on the end of a yarn sample, then soak them in lukewarm water. After about 3 to 5 minutes, pull them out to air dry. Each type of yarn has a distinct appearance when you look at them up close.
What is yarn count system?
In textiles, yarn count is a number that represents the diameter or fineness of a yarn, either in terms of weight by length or length by weight. … The indirect system measures the length of a consistent weight of yarn, with a higher yarn count indicating a finer yarn.
What is crepe yarn?
Crepe yarns are 3-ply producing a rounded yarn that looks like a 2-ply yarn with another ply wrapped around it. The construction of this yarn differs from a typical 3-ply yarn that is spun by taking three single yarns and plying them all together at the same time.
What do you call fuzzy yarn?
Faux fur: Super Fluffy fiber strands on a strong base thread of nylon. The finished knitted item looks like faux fur. Railroad ribbon: As the name suggests, this yarn has tiny “tracks” of fiber strung between two parallel strands of thread.
What is simple yarn?
A yarn which is smooth and uniform and evenly twisted is called a simple yarn. It is commonly used for making fabric like poplin and cambric. Simple yarns are further classified into three types. A simple single yarn is an assemblage of fibres evenly twisted together.