False twist yarns and production method and production device therefor
US6715276B2 · kind B2 · utility
0Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2001 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Mar 17, 2022 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD02G3/26
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A false twist yam including synthetic fiber yam having elongation, crimp rigidity, crimp appearance stretch ratio, dry heat shrinkage stress maximum value, deformation degree of single filament and entanglement number in specific ranges respectively. The yam has good drape properties, soft feeling, bulkiness, and flexibility as well as puff properties, mild luster, and pliable dry feeling. From the yam, woven or knit fabrics having novel texture that cannot be achieved in woven or knit fabrics produced from conventional drawn or false twist yams. The false twist yam is produced in a drawing and false twisting process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.