Fibrous tube for membrane filtration with a tearing member
US4022249A · kind A · utility
3Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 30, 1975 |
| Grant date | May 10, 1977 |
| Priority date | — |
| Expiry date | Jun 30, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An assembly comprising a non-woven tube having fixed on its inner side a membrane for membrane filtration, and a tearing element provided in the non-woven tube. The tearing element consists preferably of a longitudinal welding joint obtained by ultrasonic welding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.