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:
Aug. 16, 2011

Filed:

Jan. 11, 2007
Applicants:

Viktor Raaz, Bochum, DE;

Detlef Papajewski, Bochum, DE;

Inventors:

Viktor Raaz, Bochum, DE;

Detlef Papajewski, Bochum, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 18/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A multiple roll crusher is provided for crushing of mineral material, more particularly of coal or oil sand. The multiple roll crusher includes at least three crusher rolls ('), the rotation axes (R) of which lie in parallel to each other and horizontal or roughly horizontal. All directly neighboring crusher rolls (′) have opposite directions of rotation. A connecting line (V) of the rotation axes (R) has at least one kink.


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