Hollow-fiber membrane assembly having the function of preventing the membrane filaments from cracking
US8246827B2 · kind B2 · utility
3Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2008 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | Jan 23, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2313/21
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hollow-fiber membrane assembly having the function of preventing the membrane filaments from cracking, which comprises: hollow-fiber membrane filaments (1), protective film(s) (2) and fastening material (3), wherein the protective film (2) enwraps the outside of the hollow-fiber membrane filament(s) (1) near the end head (5), and a portion of the protective film (2) is immobilized in the fastening material (3), while the rest portion of the protective film (2) outside of the fastening material (3) is left free.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.