Title:
縦型ミル
Document Type and Number:
Japanese Patent JP4865736
Kind Code:
B2
Abstract:
The invention relates to a vertical mill comprising a grinding track (1) and at least one grinding roller (2). The grinding track (1) is provided with a central zone (Ia) made of a harder material and two laterally adjacent edge zones (Ib, Ic) made of a softer material. The width (a) of the central zone (Ia) is smaller than or equal to the width of the grinding roller (2).
Inventors:
Guerrero Parma, Pedro
Karl Menzel
Karl Menzel
Application Number:
JP2007557410A
Publication Date:
February 01, 2012
Filing Date:
February 28, 2006
Export Citation:
Assignee:
Polysius Akchen Gesell shaft
International Classes:
B02C15/04
Domestic Patent References:
| JP2003164771A | 2003-06-10 | |||
| JPH06142537A | 1994-05-24 | |||
| JPH0549960A | 1993-03-02 | |||
| JPS62103439A | 1987-05-13 |
Foreign References:
| WO2006092277A1 | 2006-09-08 | |||
| US7866584B2 | 2011-01-11 | |||
| EP1855806B1 | 2011-07-20 |
Attorney, Agent or Firm:
Kenho Ikeda
Shuichi Fukuda
Shuichi Fukuda