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. 07, 2000
Filed:
Jun. 23, 1998
Siegfried Strasser, Much, DE;
Franz Goddecke, Leverkusen, DE;
KHD Humboldt Wedag AG, Cologne, DE;
Abstract
A compact circuit grinding apparatus wherein two press rolls are housed in one housing, comprising of two stationary lateral end walls, between which is arranged a material conveyor ring, which is rotatably seated and can be set into rotation, for an internal material circulation. The inflow of material takes place through one or more openings in one or both housing end walls and the outflow of material likewise takes place laterally through one or more openings in the housing end wall. A sifter is arranged underneath the nip of the two rolls in the housing. The sifter can comprise a static or dynamic sifter and a flow of air through the sifter removes the fines from the crushed granular material.