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:
Mar. 31, 2009
Filed:
Jul. 21, 2004
Applicants:
Egbert Burchardt, Everswinkel, DE;
René Klymowsky, Doorwert, NL;
Johann Knecht, Wadersloh, DE;
Norbert Patzelt, Beckum, DE;
Inventors:
Egbert Burchardt, Everswinkel, DE;
René Klymowsky, Doorwert, NL;
Johann Knecht, Wadersloh, DE;
Norbert Patzelt, Beckum, DE;
Assignee:
Polysius AG, Beckum, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B02C 1/10 (2006.01); B02C 7/12 (2006.01); B02C 13/28 (2006.01); B02C 15/16 (2006.01); B02C 17/20 (2006.01); B02C 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a grinding roll with a basic roll body as well as a plurality of wear protection elements made from hard metal which form at least a part of the roll surface. The basic roll body has recesses extending in the circumferential direction, a plurality of wear protection elements being disposed one behind the other in the circumferential direction in each recess.