Filter device
US5092990A · kind A · utility
27Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 1990 |
| Grant date | Mar 3, 1992 |
| Priority date | — |
| Expiry date | Apr 3, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2201/006
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter device for cleaning water and having a reinforcing member for preventing reduction of filtering area due to deformation of filter membrane. The filter device comprises a generally cylindrical casing and a filter element contained in said casing for passing water from the primary side thereof to the secondary side thereof, the filter element including a corrugated filter membrane and a reinforcing member for supporting the corrugated filter membrane. The filter device is particularly suited for use together with a powdered absorbent such as activated carbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.