Patent · US Expired

Pneumatic separation of particulate material

US5148921A · kind A · utility

3Cited by
7References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 27, 1991
Grant dateSep 22, 1992
Priority date
Expiry dateFeb 27, 2011

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB03B4/02
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

The invention relates to apparatus for the pneumatic separation of particulate material particularly but not solely for the separation of objectionable material such as stem from cut lamina or cut rolled stem tobacco (CRS). Apparatus for the pneumatic separation of particulate material comprises a substantially horizontal vibrating conveyor having a plurality of grooves having apertures (14) through which air passes to partially or wholly fluidize the material under treatment.

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