The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 1993
Filed:
May. 24, 1991
Applicant:
Inventors:
Gerhard Kastingschafer, Wadersloh, DE;
Bernhard Peterwerth, Bad Lear, DE;
Assignee:
Krupp Polysius AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ; B30B / ; B30B / ;
U.S. Cl.
CPC ...
241235 ; 241260 ;
Abstract
A roller mill assembly composed of a pair of rollers spaced apart to form a crushing zone therebetween and having recesses which are dimensioned and shaped so that during the grinding process feed material is embedded in the recesses and fills them to increase the draw of feed material into the crushing zone.