Patent · US Expired

Bulk material mixer

US4859067A · kind A · utility

6Cited by
7References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 12, 1987
Grant dateAug 22, 1989
Priority date
Expiry dateMar 12, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01F25/8211
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A bulk material mixer includes a container accommodating a central tube provided with a plurality of lateral inlet openings at various levels. The inlet openings have a cross section which increases from bottom to top so that the inlet openings at the lowest level have a smallest cross section while the inlet openings at the uppermost level have a greatest cross section.

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