Patent · US Expired

Extruder apparatus for separating solids from fluids

US5489381A · kind A · utility

6Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 1, 1994
Grant dateFeb 6, 1996
Priority date
Expiry dateAug 1, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D43/00
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A novel apparatus for isolating solids, slurries or wetcakes from fluids is disclosed. Said apparatus comprises an extruder having a dynamic seal and a barrel comprising a slip joint and a floating auger which allows for solid recovery under pressure in the absence of substantial solvent volatilization.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.