Process and apparatus for improved conditioning of melt-spun material
US6881047B2 · kind B2 · utility
3Cited by
12References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2001 |
| Grant date | Apr 19, 2005 |
| Priority date | — |
| Expiry date | Jun 9, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2913
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An apparatus and process for applying finish to an expanded filament array in a quench system with air directed inward to the filament bundle. The applicator may be used inside or proximate quench zones in a radial, pneumatic, or cross-flow quench system. The apparatus includes a spinneret, a quench zone located below said spinneret, wherein cooling gas is directed inward to an expanded filament array inside said quench zone, and an applicator inside or below said quench zone, wherein the applicator contacts the filament and delivers the finish to the expanded filament array.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.