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:
Dec. 17, 2013
Filed:
Aug. 05, 2008
Applicants:
Gerhard Blatton, Beckum, DE;
Hubert Grothaus, Bad Iburg, DE;
Inventors:
Gerhard Blatton, Beckum, DE;
Hubert Grothaus, Bad Iburg, DE;
Assignee:
Polysius AG, Beckum, DE;
Primary Examiner:
Int. Cl.
CPC ...
B02C 17/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A tube mill for wet-grinding of lumpy material. The tube mill can have a mill cylinder, an inlet opening for charging the lumpy material, a means for adding an aggressive medium and a discharge opening. In addition, the mill cylinder can have an internal lining of epoxy material and the means for adding an acid to the lumpy material in the region of the inlet opening.