Process of making spin-oriented polyester filaments
US5384082A · kind A · utility
6Cited by
2References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1993 |
| Grant date | Jan 24, 1995 |
| Priority date | — |
| Expiry date | Jun 29, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S57/908
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Polyester filaments of high shrinkage and high shrinkage tension may be prepared by heat treatment of undrawn crystalline filaments of low shrinkage and shrinkage tension, and may be used for making polyester yarns of mixed shrinkage and bulky polyester yarns and fabrics therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.