Method of and apparatus for producing thick regions in a filamen

Details Method of and apparatus for producing thick regions in a filamen Method of and apparatus for producing thick regions in a filamen

1997-09-25

1998-11-17

Stryjewski, William

Textiles: spinning, twisting, and twining

Apparatus and processes

Twist setting

57290, 2642888, 2642905, 428369, D01H 1326

Patent

active

058361464

ABSTRACT:
The distribution of thick regions along a filament yarn can have a random character if the thick regions of a filament from a first stretching zone are heated in a second stretching zone and thereby permitted to stretch and reduce in thickness. The heating in the second zone is out of phase with the thick regions of the first stretching zone.

REFERENCES:
patent: 4044089 (1977-08-01), Cochran et al.
patent: 4684566 (1987-08-01), Sasaki et al.

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