Oriented profile fibers
US5277976A · kind A · utility
305Cited by
27References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1991 |
| Grant date | Jan 11, 1994 |
| Priority date | — |
| Expiry date | Oct 7, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2973
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for providing a shaped fiber is provided, which shaped fiber closely replicates the shape of the die orifice. The polymer is spun at a melt temperature close to a minimum flow temperature and under a high drawdown.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.