Self-supporting, pleated, spirally wound filter and the corresponding process of making
US5403482A · kind A · utility
38Cited by
20References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1993 |
| Grant date | Apr 4, 1995 |
| Priority date | — |
| Expiry date | Oct 12, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1049
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A coreless filter comprises a pleated, spirally wound loop of material disposed in a housing. The loop includes a layer of filter material, such as a membrane filter, interposed between two support layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.