Shaped-section fine-fibre filament yarn and method of producing it
US5432002A · kind A · utility
3Cited by
3References
3Claims
0Family size
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Inventor
Key dates
| Filing date | Feb 28, 1994 |
| Grant date | Jul 11, 1995 |
| Priority date | — |
| Expiry date | Feb 28, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2973
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A profiled filament yarn of polyamide, comprising a partially oriented yarn with a yarn viscosity RV of 40 to 55 and a tenacity of 30 to 45 cN/tex as a feed yarn for texturing, the yarn having a fiber titer of less than 1.5 dtex with reference to a nominal titer, a color uniformity with a coefficient of variation of less than 2%, and a width/length ratio B/L of a fiber cross-section of 0.5 to 0.7.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.