Additive-containing fibers
US4055702A · kind A · utility
32Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1975 |
| Grant date | Oct 25, 1977 |
| Priority date | — |
| Expiry date | Dec 2, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2975
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Additives can be permanently incorporated into melt spun fibers by cold drawing the fibers under conditions that generate a network of interconnecting microvoids within the fiber. The microvoids are formed in the presence of specified liquid or vapor media which fill the microvoid network. The temperature of the medium is below the effective glass transition temperature of the fibers containing said medium. The additive is either present in said medium or is applied to drawn fibers containing said medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.