Pulp-dewatering roll press
US6036818A · kind A · utility
5Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 8, 1998 |
| Grant date | Mar 14, 2000 |
| Priority date | — |
| Expiry date | Jun 8, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB30B9/20
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Pulp-dewatering apparatus is disclosed including a pair of press rolls and a rotatable pulp disintegrating screw above the nip region between the press rolls, and the apparatus includes a pair of doctor bars associated with the pair of press rolls, each doctor bar including a doctor blade for removing pulp from the surface of its associated press roll, and in which one of the doctor blades is disposed adjacent to the nip region below the pulp disintegrating screw such that the space between the pair of press rolls and the pulp disintegrating screw in which a pulp cake can form is substantially reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.