High-strength thin sheath fibers
US7056581B2 · kind B2 · utility
1Cited by
13References
13Claims
0Family size
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Key dates
| Filing date | Jul 1, 2002 |
| Grant date | Jun 6, 2006 |
| Priority date | — |
| Expiry date | Jul 1, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2933
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A fiber comprises a core, a sheath, and an additive that determines a desired physico-chemical parameter of the fiber, wherein the fiber is spun such that without increasing the concentration of the additive the desired parameter increases when the volume of the sheath decreases. Especially preferred additives include chromophores (e.g., a UV absorbing agent), flame-retardants, and adhesion promoters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.