Drum washer
US5421176A · kind A · utility
6Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1993 |
| Grant date | Jun 6, 1995 |
| Priority date | — |
| Expiry date | Nov 23, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/282
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention concerns a drum washer. The washer has two plates (14; 18) located after each other in parallel with the drum, and the pulp to be washed is conducted between these plates. Between the plates there is a gap (22) closed by a flap valve (25) by way of which gap washing liquid is conducted through the mat. The washer is especially suitable for washing cellulose pulp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.