Lubricated flow fiber extrusion
US7476352B2 · kind B2 · utility
2Cited by
45References
52Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 2004 |
| Grant date | Jan 13, 2009 |
| Priority date | — |
| Expiry date | Aug 11, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2913
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Methods and systems for extruding polymeric fibers are disclosed. The extrusion process preferably involves the delivery of a lubricant separately from a polymer melt stream to each orifice of an extrusion die such that the lubricant preferably encases the polymer melt stream as it passes through the die orifice.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.