Sliver (Textiles)

Short description: Bundle or web of fiber used to spin yarn

A sliver (/ˈslaɪvər/) is a long bundle of fibre that is generally used to spin yarn. A sliver is created by carding or combing the fibre, which is then drawn into long strips where the fibre is parallel.^[1] When sliver is drawn further and given a slight twist, it becomes roving.^[2]^[3]

Worsted textiles differ from woolen textiles in that, after carding, they are subjected to gilling, a process to make sure the sliver has a more uniform linear weight, and lubricants are added.^[4]^[5]^[6]

Notes

↑ Yarn Production, National Cotton Council of America
↑ Freund, Kimberlie and Norton, Marjorie J.T., Broadwoven Fabrics, USITC Publication 3410: 4 ISBN:1-4289-5826-6. Free public-domain fulltext.
↑ Spinning Prep/Combing Lab, International Textile Center
↑ "gilling". Australian Wool Testing Authority. https://awtawooltesting.com.au/index.php/en/resources/glossary-of-terms/gilling. Retrieved 2019-06-11. "Gilling is the blending together of card slivers with the direction of feed alternated to make a final sliver suitable for spinning."
↑ "Manufacturing of Worsted Yarns". textile learner. https://textilelearner.blogspot.com/2011/08/manufacturing-worsted-yarns_1090.html. Retrieved 2019-06-11. "The preparative gilling is mainly to align the fibers in a parallel direction, further blend the wool through doubling and to add moisture and lubricants."
↑ "WORSTED - TOP-MAKING". Woolmark. https://www.woolmark.com/about-wool/wool-processing/worsted-top-making/?enforce=true. Retrieved 2019-06-11. "The latter is achieved by passing the wool at least once through a special gilling machine which has an auto-levelling device, which continuously detects the linear weight of the slivers being fed into the machine, and speeds up or slows down the machine accordingly."

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[1] Yarn Production, National Cotton Council of America

[2] Freund, Kimberlie and Norton, Marjorie J.T., Broadwoven Fabrics, USITC Publication 3410: 4 ISBN:1-4289-5826-6. Free public-domain fulltext.

[3] Spinning Prep/Combing Lab, International Textile Center

[AwtaGilling-4] "gilling". Australian Wool Testing Authority. https://awtawooltesting.com.au/index.php/en/resources/glossary-of-terms/gilling. Retrieved 2019-06-11. "Gilling is the blending together of card slivers with the direction of feed alternated to make a final sliver suitable for spinning."

[textilelearner-5] "Manufacturing of Worsted Yarns". textile learner. https://textilelearner.blogspot.com/2011/08/manufacturing-worsted-yarns_1090.html. Retrieved 2019-06-11. "The preparative gilling is mainly to align the fibers in a parallel direction, further blend the wool through doubling and to add moisture and lubricants."

[Woolmark-6] "WORSTED - TOP-MAKING". Woolmark. https://www.woolmark.com/about-wool/wool-processing/worsted-top-making/?enforce=true. Retrieved 2019-06-11. "The latter is achieved by passing the wool at least once through a special gilling machine which has an auto-levelling device, which continuously detects the linear weight of the slivers being fed into the machine, and speeds up or slows down the machine accordingly."

v t e Spinning
Materials	Noil Rolag Roving Sliver Staple Top Tow Woolen Worsted
Techniques	Carding Combing Heckling Long draw Scutching Short draw Twist per inch
Hand spinning tools	Hand spinning Distaff Niddy noddy Nostepinne Spindle Spinning wheel Spinner's weasel
Industrial spinning	Cotton-spinning machinery Ring spinning Open-end spinning DREF friction spinning Magnetic ring spinning Mule spinners' cancer Piece-rate list Spinning frame Spinning jenny Spinning mule Throstle frame Water frame Wool combing machine

Sliver (Textiles)

See also

Notes