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. 03, 2019
Filed:
Apr. 09, 2014
Applicant:
Metso Minerals (Sweden) Ab, Trelleborg, SE;
Inventor:
Lars Gronvall, Trelleborg, SE;
Assignee:
Metso Minerals (Sweden) AB, Trelleborg, SE;
Primary Examiner:
Int. Cl.
CPC ...
B02C 4/00 (2006.01); B02C 4/28 (2006.01); B02C 4/30 (2006.01);
U.S. Cl.
CPC ...
B02C 4/283 (2013.01); B02C 4/30 (2013.01); B02C 4/305 (2013.01);
Abstract
The invention relates to a roller crusher having two generally parallel rollers arranged to rotate in opposite directions, towards each other, and separated by a gap, each roller having a first end and a second end. The roller crusher comprises a flange attached to at least one of said ends of one of said rollers. The flange extending in a radial direction of said roller, and has a height above an outer surface of said roller which is sufficient to extend across said gap substantially along a nip angle of said roller crusher.