Fluid filled and collapsing polymeric filter tube having a supporting sleeve
US5639365A · kind A · utility
4Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1995 |
| Grant date | Jun 17, 1997 |
| Priority date | — |
| Expiry date | Sep 12, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2323/21
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter consisting of a filter tube of a porous polymeric material having tendency to collapse towards a predetermined flattened configuration and a porous support sleeve disposed around the filter tube, so as to support the filter tube against internal fluid pressure, while providing no more resistance to flow of fluid than the filter tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.