Textiles: spinning – twisting – and twining – Strand structure – Longitudinal variation
Patent
1990-10-31
1991-07-30
Hail, III, Joseph J.
Textiles: spinning, twisting, and twining
Strand structure
Longitudinal variation
28258, 28271, 57209, 57908, D02G 116
Patent
active
050351109
ABSTRACT:
A substantially twist-free, crimped, continuous, multifilament yarn containing randomly-spaced, tightly entangled nubs and the process and apparatus used for making such yarns is disclosed. The nub yarn is made by feeding a substantially entanglement-free multifilament crimped continuous yarn through a forwarding jet, through an aspirating entanglement jet where nubs are formed and passing the yarn through a loop guide. The nubs of the yarn are less than one inch in length and the yarn is useful in textile and carpet end uses.
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E. I. Du Pont de Nemours and Company
Hail III Joseph J.
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