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:
Jun. 23, 2009
Filed:
Sep. 29, 2005
Applicants:
Karl Hesse, Burghausen, DE;
Franz Schreieder, Tann, DE;
Inventors:
Karl Hesse, Burghausen, DE;
Franz Schreieder, Tann, DE;
Assignee:
Wacker-Chemie GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 17/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A crusher for producing fine silicon fragments for semiconductor or solar applications from silicon fragments suitable for semiconductor or solar applications, comprises a plurality of crushing tools, the crushing tools having a surface made from a hard, wear-resistant material, wherein the crusher has a comminution ratio e of from 1.5 to 3.