Method and apparatus for producing untwisted yarn from at least

Details Method and apparatus for producing untwisted yarn from at least Method and apparatus for producing untwisted yarn from at least

1993-05-12

1994-04-05

Crowder, Clifford D.

Textiles: manufacturing

Thread finishing

Surface modification of running length

28240, 57333, D02G 104, D01H 1330

Patent

active

052993450

ABSTRACT:
The invention relates to the production of untwisted yarns from at least two fibril bundles. It gives intermediate method steps, which are so introduced between the main steps of the conventional production method for such yarns (spinning, stretching and texturing), that the reciprocal position of the individual fibril bundles resulting from the arrangement of the spinnerets can be retained through the process. A non-positively acting false twister for each individual fibril bundles, whose strength or thickness can be varied, also makes it possible to reproducibly vary the mixing the fibrils of the individual bundles in their contact zones.

REFERENCES:
patent: 3286321 (1966-11-01), Fletcher et al.
patent: 3398441 (1968-08-01), Adachi et al.
patent: 3454998 (1969-07-01), Satterwhite
patent: 4019311 (1977-04-01), Schippers
patent: 4080778 (1978-03-01), Adams et al.
patent: 4293518 (1981-10-01), Bethay, Jr.
patent: 4501046 (1985-02-01), Krenzer
patent: 5165993 (1992-11-01), Van Anholt et al.
patent: 5220778 (1993-06-01), Fiachmueller et al.

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