Screw press
US6792850B2 · kind B2 · utility
2Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2002 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Nov 5, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB30B9/262
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The invention relates to a screw press for separating liquids from solid-liquid mixtures, especially pulp suspensions, which has a casing provided with liquid passages, especially divided into segments, a screw rotating inside the casing, a shaft, preferably hollow, and a suspension feed area. It is primarily characterised by a filtrate shell 3 being provided directly at one or several screen baskets 2, 2′ and by discharge openings 6, 10 being provided in the lower part of the shell 3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.