Process for the production of twist-free novelty nub yarns

Details Process for the production of twist-free novelty nub yarns Process for the production of twist-free novelty nub yarns

1985-12-04

1987-10-06

Mackey, Robert R.

Textiles: manufacturing

Thread finishing

Surface modification of running length

28271, 57209, 57350, D02G 116, D02J 106

Patent

active

046973176

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.

REFERENCES:
patent: 1997771 (1935-04-01), McGowan
patent: 2278879 (1942-04-01), Hunter
patent: 2878548 (1959-03-01), Lohr et al.
patent: 3042482 (1962-07-01), Woodell
patent: 3093878 (1963-06-01), Fieldman
patent: 3433007 (1969-03-01), Myers
patent: 3653196 (1972-04-01), Pike
patent: 4119253 (1978-10-01), Benson
patent: 4212152 (1980-07-01), Roman
patent: 4453297 (1984-06-01), London, Jr. et al.

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