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:
Sep. 04, 1990
Filed:
Jun. 29, 1989
Applicant:
Inventors:
Dieter Kiefer, Wesel-Bislich, DE;
Helmut Grommes, Duisburg, DE;
Assignee:
Deutsche Babcock Werke Aktiengesellschaft, Oberhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
241119 ; 241300 ;
Abstract
Accommodated inside the housing (1) of a bowl-and-roller mill is a rotating grinding bowl (3) with segments (7) that stationary rollers (8) roll over. Blades (20) are cast onto the outside circumference of a nozzle ring (15).