Process of and apparatus for making hollow fibers
US5480598A · kind A · utility
19Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1992 |
| Grant date | Jan 2, 1996 |
| Priority date | — |
| Expiry date | Sep 17, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2975
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A nozzle assembly for forming hollow fibers, particularly a "Z-fiber" having longitudinally oriented trabeculae with the fiber wall, is provided. The nozzle assembly contains a replaceable nozzle cap, a replaceable seal-guide, and a retractable central bore used to supply core material for the hollow fibers. The Z-fibers are particularly useful in enabling cells, solutes, or the like, to enter the fiber wall and move longitudinally into the center of the fiber wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.