EP 0386520 B1 19930818 - MATERIAL BED ROLLER MILL
Title (en)
MATERIAL BED ROLLER MILL
Publication
Application
Priority
DE 3907830 A 19890310
Abstract (en)
[origin: US5096131A] The invention relates to a material bed roller mill for crushing brittle material to be ground in the gap between two driven rollers which are pressed against one another with a high grinding force with a filling shaft for the delivery of material provided above the rollers. The width of the stream of material delivered to the roller gap can be altered with the aid of vertical guide walls which are adjustable at right angles to the vertical central plane of the roller mill while maintaining their vertical position. The column of material which is aligned vertically above the rollers creates pressure which is introduced fully into the material bed crushing and if required the column of material can be moved in the cross direction with respect to the rollers.
IPC 1-7
IPC 8 full level
B02C 4/28 (2006.01)
CPC (source: EP US)
B02C 4/286 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI
DOCDB simple family (publication)
EP 0386520 A2 19900912; EP 0386520 A3 19910529; EP 0386520 B1 19930818; AT E93165 T1 19930915; BR 9001130 A 19910305; DE 3907830 A1 19900913; DE 59002354 D1 19930923; ES 2044265 T3 19940101; US 5096131 A 19920317; ZA 901230 B 19901128
DOCDB simple family (application)
EP 90103272 A 19900220; AT 90103272 T 19900220; BR 9001130 A 19900309; DE 3907830 A 19890310; DE 59002354 T 19900220; ES 90103272 T 19900220; US 48483490 A 19900226; ZA 901230 A 19900219