Thermal insulator comprised of split and opened fibers and method for making same
US4681789A · kind A · utility
16Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1985 |
| Grant date | Jul 21, 1987 |
| Priority date | — |
| Expiry date | Sep 26, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/696
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermal insulator is disclosed which comprises fibrillated staple fibers exemplified by fibrillated fibers of poly (p-phenylene terephthalamide). The fibers are fibrillated on a carding machine equipped with metallic clothing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.