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Production of yarns
   
Document Number
US Patent 4662169
Issued Date
May 5, 1987
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Abstract
In the friction spinning of yarns, staple fibres are supplied to a yarn formation zone in which the yarns end is rotated by frictional contact with at least one twisting element. In the yarn form zone, a jet of air is applied to the yarn or forming yarn by nozzle to increase the frictional forces between the yarn or forming yarn and the twisting elements. The formed yarn is continuously removed from the yarn formation zone.
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Production of yarns - US Patent 4662169 Drawing
Drawing from US Patent 4662169
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Number of Claims:
24
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Published
May 5, 1987
Application Number
06/765,383
Filed
August 13, 1985
US Classification
57/401  
Int'l Classification
D01H   4/00   (20060101)   D01H   4/16   (20060101)  
Examiner
Priority Data
Aug 23, 1984 [GB] 8421439
USPTO Field of Search
57/400   57/401   57/334  
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