Sanitary rigid shell spiral wound element
US5985146A · kind A · utility
21Cited by
49References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1997 |
| Grant date | Nov 16, 1999 |
| Priority date | — |
| Expiry date | Jul 23, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D65/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A novel rigid, nonporous shell for use with a spiral wound membrane filtration element that allows a controlled bypass flow between the outside of the element and the inside of an enclosing pressure housing while maintaining structural mechanical properties and tight tolerances on the outside diameter of the element allowing easy installation and removal of the cartridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.