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. 13, 1994
Filed:
Aug. 03, 1993
Peter Kranz, Neukrichen-Seelscheid, DE;
Siegfried Strasser, Much, DE;
Kloeckner-Humboldt-Deutz AG, Cologne, DE;
Abstract
A high pressure roller press for interparticle crushing of material including opposed crushing rollers with at least one roller being movable, a gate controlled material feed to the nip of the rollers, means measuring the nip width by measuring the distance between bearings of the rollers, means measuring the nip force by measuring the hydraulic pressure applied to the movable roller to obtain nip force, a comparator receiving signals of nip width and nip force and having an output to maintain a linear relationship between nip width and nip force and controlling the feed to the nip and the nip width to maintain the relationship.