Process for making fasciated spun yarn
US4429523A · kind A · utility
3Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 1982 |
| Grant date | Feb 7, 1984 |
| Priority date | — |
| Expiry date | Jul 7, 2002 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H1/115
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for making a fasciated spun yarn by drafting and pneumatically false twisting a bundle of staple fibers is disclosed. In the method, the width W (mm) of a bundle of fibers measured just upstream of the nip point of a pair of second rollers of a drafting zone and a yarn count N (Nm) of the spun yarn are set to satisfy the following equation: ##EQU1## and the overfeed ratio of the bundle of fibers during the false twisting operation is 5% at most. The fasciated spun yarn made by this process has a straight shape, resembles a ring-spun yarn and has sufficiently stable strength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.