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What is "Core Spun Yarn" - Definition & Explanation

A yarn produced at the spinning frame by feeding a yarn through the delivery rollers only, simultaneously with the spinning of the staple fibres (q.v.)

NOTE:

The yarn fed through at the delivery rollers only is usually known as the "core", and the other component is known as the "wrapper". The core may be of continuous-filament yarn or of spun yarn. If the core is of spun yarn, the direction of its twist is usually the same as that of the complete yarn. Core-spun yarns are made for decorative purposes or, more commonly, for strengthening the wrapper for facilitating subsequent processes. When used for strengthening, the core may, after it has served its purpose, be removed by solvent or other chemical action, e.g. the removal of calcium alginate filament yarn by an alkaline scour or of a cotton yarn by carbonising. The core is often retained for strengthening the resultant fabric as is the case if nylon or polyester continuous-filament yarns are used.

A yarn made by twisting fibers around a filament or a previously spun yarn, thus concealing the core. Core yarns are used in sewing thread, blankets, and socks and also to obtain novelty effects in fabrics.
A yarn produced at the spinning frame by feeding a yarn through the delivery rollers only, simultaneously with the spinning of the staple fibres (q.v.) NOTE: The yarn fed through at the delivery rollers only is usually known as the "core", and the other component is known as the "wrapper". The core may be of continuous-filament yarn or of spun yarn. If the core is of spun yarn, the direction of its twist is usually the same as that of the complete yarn. Core-spun yarns are made for decorative purposes or, more commonly, for strengthening the wrapper for facilitating subsequent processes. When used for strengthening, the core may, after it has served its purpose, be removed by solvent or other chemical action, e.g. the removal of calcium alginate filament yarn by an alkaline scour or of a cotton yarn by carbonising. The core is often retained for strengthening the resultant fabric as is the case if nylon or polyester continuous-filament yarns are used.
A yarn consisting of an inner core yarn surrounded by staple fibres. A corespun yarn combines the strength and/or elongation of the core thread and the characteristics of the staple fibres which form the surface.

Some other terms

Some more terms:

A method of applying short fibers rather than color to the entire surface of the fabric. The fabric may be printed with an adhesive and the fiber dusted, onto it, or the fibers may be contained in...
This process is usually used on splits, or heavily buffed leather The finishing fim is created on a continuous release paper. An adhesive is applied to the film, and then it is pressed onto the...
A fibre formed by the conjunction at a spinning jet, of two fibre-forming polymers of different properties. NOTE: a) The two components may be caused to merge approximately side by side...
A Blister Or Puffed Effect On The Surface Of The Fabric . It May Be The Result Of Chemical Treatment Of The Fabric Or The Result Of Using Different Yarns, Yarns Under Different Tension, Or Yarns Of...
A coarse and loosely woven woolen material made tosimulate homemadecloth-in effect, a coarse, rough plain weave fabric. Yarnisusually heavyandcontainscoarse wool fiber unevenly spun.Sometimes...

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