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Document Number
US Patent 7021577
Issued Date
April 4, 2006
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Abstract
The invention relates to a multi-roller crusher for the comminuting of mineral mill-feed, whereby the crushing roll are provided with crushing teeth, extending in the circumferential and longitudinal axial directions. Viewed in plan, the crushing teeth are arranged on each crushing roller such that several serial crushing teeth groups are formed behind each other, the imagined connection lines of which run successively at an inclined angle to the plan (1',2') of each crushing roller outer edge in the direction of the crushing roller centre.
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Number of Claims:
11
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Published
April 4, 2006
Application Number
10/475,076
Filed
April 3, 2002
US Classification
241/236   241/294
Int'l Classification
B02C   18/16   (20060101)  
Examiner
Attorney/Law Firm
Priority Data
Apr 27, 2001 [DE] 101 20 765
USPTO Field of Search
241/236   241/293   241/294   241/295  
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