Stepped precision winding process

Details Stepped precision winding process Stepped precision winding process

1986-03-11

1987-10-06

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 43R, B65H 5438

Patent

active

046977538

ABSTRACT:
The invention provides an improved method for winding synthetic yarns and wherein the yarn is wound about a core at a substantially constant rate while the yarn is guided onto the core by a traversing yarn guide. The speed of the traversing yarn guide is proportional to the rotation of the package to define a substantially constant winding ratio during a series of sequential steps, and the speed of the traversing yarn guide is rapidly increased at the beginning of each of the sequential steps to produce a stepped precision wind. The upper and lower values of the traversing speed are both changed in a predetermined manner during the winding cycle, and so as to form a cylindrical package without harmful yarn patterns or bulges.

REFERENCES:
patent: 4371122 (1983-02-01), Schuller
patent: 4504021 (1985-03-01), Schippers et al.
patent: 4504024 (1985-03-01), Gerhartz
patent: 4515320 (1985-05-01), Slavik et al.

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