Acceleration of yarn heat-strengthening process
US4424184A · kind A · utility
7Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1982 |
| Grant date | Jan 3, 1984 |
| Priority date | — |
| Expiry date | Oct 12, 2002 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD04H3/16
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The heat-strengthening of yarn spun from optically anisotropic melt-forming polyesters can be accelerated by coating the yarn prior to heat treatment with certain inorganic compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.