Continuous filaments, yarns, and tows
US5645936A · kind A · utility
15Cited by
14References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1995 |
| Grant date | Jul 8, 1997 |
| Priority date | — |
| Expiry date | Jan 24, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2969
- 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.