Patent · US Active

Roller press with retractable grinding material guide metal sheet

US7997518B2 · kind B2 · utility

0Cited by

3References

8Claims

0Family size

Assignee

Polysius AG

Inventors

Nils Hörster · Dortmund, DE
Helmut Lucke · Beckum, DE
Silvio Lorenz · Ennigerloh, DE

Key dates

Filing date	Jun 16, 2008
Grant date	Aug 16, 2011
Priority date	—
Expiry date	Jun 16, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB02C4/283
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to a material bed roller mill having two rollers (1, 2) which are rotatably supported in a machine frame (3) and driven in opposite directions and whose roller gap, which is charged from above with the grinding material to be comminuted, is delimited at its ends during the operation of the roller mill by a grinding material guide plate (5) which can be removed from its operating position, wherein

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