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.

Date of Patent:
Jan. 29, 2013

Filed:

Sep. 25, 2009
Applicant:

Stefan Dahlheimer, Kleinostheim, DE;

Inventor:

Stefan Dahlheimer, Kleinostheim, DE;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B24B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods and devices for machining a die plate of an extruder for pelletization are provided. The device can include a grinding wheel with a grinding surface rotatably disposed on a drive mechanism of a cutter head associated with the extruder. The grinding surface can include a hard coating aligned with the die plate.


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