Vacuum filter with indexable filter web
US4062780A · kind A · utility
9Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 25, 1976 |
| Grant date | Dec 13, 1977 |
| Priority date | — |
| Expiry date | Mar 25, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D29/09
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An indexable filter web is advanced beneath a vacuum box by a perforated flexible belt and is held against the belt by two endless bands adapted to travel along opposite sides of the vacuum box when the web is advanced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.