Screw press for separating liquids from solid-liquid mixtures
US5857406A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1997 |
| Grant date | Jan 12, 1999 |
| Priority date | — |
| Expiry date | Apr 22, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B5/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A screw press for separating liquids from solid-liquid mixtures, especially pulp suspensions, which has a casing 2 provided with liquid passages, especially divided into segments 3, 3', as well as having a screw 4 rotating inside the casing, a shaft 5, preferably hollow, and a suspension feed area 6. It is primarily characterized by the suspension feed area 6 extending lengthwise in an axial direction on the screw casing 2 with the length and position of the feed opening being adjustable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.