Patent · US Expired

Attrition mill

US5984213A · kind A · utility

13Cited by

7References

36Claims

0Family size

Assignees

Mount Isa Mines Limited · AU
Erich Netzsch GmbH & Co. Holding KG · DE

Inventors

Peter Woodall · Palmerston, AU
Udo Enderle · Marktredwitz, DE

Key dates

Filing date	Jun 30, 1998
Grant date	Nov 16, 1999
Priority date	—
Expiry date	Jun 30, 2018

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB02C17/161
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An attrition mill comprising a grinding chamber (1), an axial impeller (10), a chamber inlet (3) for admitting coarse particles and a separator comprising a chamber outlet (6) through which fine particles exit from the chamber. The mill is characterized in that a classification as between coarse and the fine particles is performed in the mill upstream of the separator.

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