Patent · US Expired

Screw press for separating liquids from solid-liquid mixtures

US5857406A · kind A · utility

12Cited by
2References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 22, 1997
Grant dateJan 12, 1999
Priority date
Expiry dateApr 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.